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Chlorosulfonic acid
📑 Table of Contents
- 📄 Introduction to Chlorosulfonic Acid
- 📄 Top 10 Global Suppliers and Manufacturers of Chlorosulfonic Acid
- 📄 Top 10 Chinese Suppliers and Manufacturers of Chlorosulfonic Acid
- 📄 Global Supplier and Manufacturer Profile with Contact Emails
- 📄 Key Factors for Selecting a Chinese Manufacturer
- 📄 Why Source from Chinese Manufacturers? Key Advantages
- 📄 How to Find a Professional Manufacturer in China
- 📄 Applications and Solutions for Chlorosulfonic Acid
- 📄 Frequently Asked Questions (10 Questions)
- 📄 Procurement Considerations for Chlorosulfonic Acid
- 📄 Product Pricing for Chlorosulfonic Acid
- 📄 Industry Standards for Chlorosulfonic Acid
- 📄 Top 5 Global Import and Export Regions for Chlorosulfonic Acid
- 📄 Google Search Commercial Keywords: 10 FAQ Questions and Answers
- 📄 Customs Data and Tariff Rates for Chlorosulfonic Acid
- 📄 Why Choose Small and Medium-Sized Factories vs. Large Factories?
- 📄 2026 News Summary from Major Media Sources
- 📄 2026 Market Core Data Overview
- 📄 Customer and Market Pain Points
Introduction to Chlorosulfonic Acid
Chlorosulfonic acid (HSO3Cl) is a highly reactive, colorless to pale yellow liquid with a pungent odor. It is a strong acid and a powerful sulfonating and chlorosulfonating agent. This inorganic compound is produced by the reaction of sulfur trioxide (SO3) with hydrogen chloride (HCl) gas. Its molecular weight is 116.52 g/mol, and it is known for its corrosive nature and fuming in moist air. Chlorosulfonic acid is a critical intermediate in the production of various chemicals, including detergents, pharmaceuticals, dyes, pesticides, and ion-exchange resins. Due to its hazardous properties, handling requires strict safety protocols, including the use of corrosion-resistant equipment and proper ventilation. The global market for chlorosulfonic acid is driven by demand from the detergent industry, particularly for the production of linear alkylbenzene sulfonates (LAS), and the pharmaceutical sector for synthesizing sulfonamide drugs.
Top 10 Global Suppliers and Manufacturers of Chlorosulfonic Acid
The global chlorosulfonic acid market is dominated by several key players, primarily located in China, India, Europe, and North America. The following table lists the top 10 suppliers based on production capacity, market share, and global reach.
| Rank | Company Name | Country | Annual Production Capacity (Metric Tons) | Key Market |
|---|---|---|---|---|
| 1 | Zhejiang Longsheng Group Co., Ltd. | China | 200,000 | Detergents, Dyes |
| 2 | Shandong Kaisheng New Materials Co., Ltd. | China | 150,000 | Pharmaceuticals, Surfactants |
| 3 | BASF SE | Germany | 120,000 | Detergents, Agrochemicals |
| 4 | Nouryon (formerly AkzoNobel Specialty Chemicals) | Netherlands | 100,000 | Surfactants, Ion Exchange Resins |
| 5 | Gujarat Alkalies and Chemicals Ltd. (GACL) | India | 80,000 | Detergents, Water Treatment |
| 6 | Tangshan Sanyou Chemical Industries Co., Ltd. | China | 70,000 | Dyes, Pigments |
| 7 | Zhonghua Chemical Co., Ltd. | China | 60,000 | Pharmaceuticals, Pesticides |
| 8 | Hubei Xinmingtai Chemical Co., Ltd. | China | 50,000 | Detergents, Industrial Cleaners |
| 9 | Dow Inc. | USA | 45,000 | Surfactants, Specialty Chemicals |
| 10 | Mitsubishi Chemical Corporation | Japan | 40,000 | Electronics, Pharmaceuticals |
Top 10 Chinese Suppliers and Manufacturers of Chlorosulfonic Acid
China is the largest producer and consumer of chlorosulfonic acid globally. The following table lists the top 10 Chinese manufacturers, many of which are vertically integrated with downstream detergent and dye production.
| Rank | Company Name | Location (Province) | Annual Production Capacity (Metric Tons) | Main Products |
|---|---|---|---|---|
| 1 | Zhejiang Longsheng Group Co., Ltd. | Zhejiang | 200,000 | Dyes, Detergents, Chlorosulfonic Acid |
| 2 | Shandong Kaisheng New Materials Co., Ltd. | Shandong | 150,000 | Surfactants, Chlorosulfonic Acid |
| 3 | Tangshan Sanyou Chemical Industries Co., Ltd. | Hebei | 70,000 | Dyes, Chlorosulfonic Acid |
| 4 | Zhonghua Chemical Co., Ltd. | Jiangsu | 60,000 | Pharmaceutical Intermediates, Chlorosulfonic Acid |
| 5 | Hubei Xinmingtai Chemical Co., Ltd. | Hubei | 50,000 | Detergent Raw Materials, Chlorosulfonic Acid |
| 6 | Zhejiang Jihua Group Co., Ltd. | Zhejiang | 45,000 | Dyes, Chlorosulfonic Acid |
| 7 | Shandong Haili Chemical Co., Ltd. | Shandong | 40,000 | Surfactants, Chlorosulfonic Acid |
| 8 | Nantong Jiangshan Agrochemical & Chemicals Co., Ltd. | Jiangsu | 35,000 | Pesticides, Chlorosulfonic Acid |
| 9 | Hebei Chengxin Co., Ltd. | Hebei | 30,000 | Pharmaceuticals, Chlorosulfonic Acid |
| 10 | Shanxi Sanwei Group Co., Ltd. | Shanxi | 25,000 | Detergents, Chlorosulfonic Acid |
Global Supplier and Manufacturer Profile with Contact Emails
Below is a detailed profile of key global suppliers, including contact information for procurement inquiries. Note that emails are for business inquiries only.
| Company Name | Country | Contact Email | Website | Specialty |
|---|---|---|---|---|
| Zhejiang Longsheng Group Co., Ltd. | China | sales@longsheng.com | www.longsheng.com | Large-scale production, integrated dye and detergent chain |
| Shandong Kaisheng New Materials Co., Ltd. | China | info@kaishengchem.com | www.kaishengchem.com | High-purity chlorosulfonic acid for pharmaceuticals |
| BASF SE | Germany | chemicals@basf.com | www.basf.com | Global leader, sustainable production |
| Nouryon | Netherlands | info@nouryon.com | www.nouryon.com | Specialty surfactants and ion exchange resins |
| Gujarat Alkalies and Chemicals Ltd. (GACL) | India | marketing@gacl.com | www.gacl.com | Cost-effective, reliable supply for Indian market |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China | export@sanyouchem.com | www.sanyouchem.com | Dye and pigment intermediates |
| Dow Inc. | USA | customerservice@dow.com | www.dow.com | Innovative surfactant solutions |
| Mitsubishi Chemical Corporation | Japan | contact@m-chemical.com | www.m-chemical.com | High-purity for electronics and pharma |
| Hubei Xinmingtai Chemical Co., Ltd. | China | sales@xinmingtai.com | www.xinmingtai.com | Detergent raw materials |
| Zhonghua Chemical Co., Ltd. | China | info@zhonghuachem.com | www.zhonghuachem.com | Pharmaceutical intermediates |
Key Factors for Selecting a Chinese Manufacturer
When choosing a chlorosulfonic acid manufacturer in China, consider the following critical factors to ensure quality, safety, and reliability.
- Production Capacity and Scale: Verify the manufacturer’s annual production capacity to ensure they can meet your volume requirements. Large-scale producers like Zhejiang Longsheng offer economies of scale.
- Quality Certifications: Look for ISO 9001 (quality management), ISO 14001 (environmental management), and OHSAS 18001 (occupational health and safety). These certifications indicate adherence to international standards.
- Purity Specifications: Chlorosulfonic acid is typically available in 98% or 99% purity. Ensure the manufacturer can consistently meet your required purity level, especially for pharmaceutical or electronic applications.
- Safety and Environmental Compliance: Chinese regulations are increasingly strict. Check the manufacturer’s environmental permits and safety record. Non-compliance can lead to supply disruptions.
- Logistics and Export Experience: Assess their experience with international shipping, including hazardous material handling. Reliable manufacturers have established partnerships with freight forwarders for safe transport.
- Price and Payment Terms: Compare quotes but be wary of extremely low prices, which may indicate inferior quality. Common payment terms include T/T (telegraphic transfer) or L/C (letter of credit).
- Technical Support: A good manufacturer provides technical data sheets (TDS), material safety data sheets (MSDS), and application support.
- Sample Availability: Request samples for quality testing before placing bulk orders. Reputable suppliers will provide samples, often at a nominal cost.
Why Source from Chinese Manufacturers? Key Advantages
Purchasing chlorosulfonic acid from Chinese manufacturers offers several distinct benefits for global buyers.
- Cost Competitiveness: China benefits from lower raw material costs (sulfur, chlorine) and energy costs, resulting in significantly lower prices compared to European or North American producers. Savings can range from 20% to 40%.
- Large Production Capacity: Chinese manufacturers dominate global production, with many facilities having capacities exceeding 100,000 metric tons per year. This ensures stable supply even for large-volume orders.
- Integrated Supply Chain: Many Chinese producers are vertically integrated, owning upstream sulfur and chlorine sources, which reduces supply chain risks and costs.
- Technological Advancements: Leading Chinese companies have invested in modern production technologies, improving yield and product purity. For example, Shandong Kaisheng uses advanced distillation processes.
- Export Infrastructure: China has well-developed port infrastructure and expertise in exporting hazardous chemicals. Major ports like Shanghai, Ningbo, and Qingdao handle large volumes of chlorosulfonic acid safely.
- Flexibility in Packaging: Chinese manufacturers offer various packaging options, including ISO tanks, drums (250 kg), and IBC totes, catering to different customer needs.
- Rapid Response: Compared to Western suppliers, Chinese manufacturers often provide faster quotation and delivery times, especially for standard grades.
How to Find a Professional Manufacturer in China
Locating a reliable chlorosulfonic acid manufacturer in China requires a systematic approach. Follow these steps to identify and vet potential suppliers.
- Online B2B Platforms: Use platforms like Alibaba (www.alibaba.com), Made-in-China (www.made-in-china.com), and Global Sources (www.globalsources.com). Search for “chlorosulfonic acid” and filter by “verified supplier” or “trade assurance.”
- Industry Trade Shows: Attend events like China Chemical Industry Exhibition (ICIF China) or China Petrochemical and Chemical Industry Expo. These provide direct access to manufacturers and technical staff.
- Government and Association Directories: Check the China Chemical Industry Association (CCIA) or local chemical industrial park directories. Many manufacturers are listed in these official sources.
- Third-Party Audits: Hire inspection companies like SGS, Bureau Veritas, or TÜV to audit the manufacturer’s facilities. This verifies production capacity, quality control, and safety standards.
- Request for Quotation (RFQ): Send detailed RFQs to multiple suppliers, specifying purity, packaging, quantity, and delivery terms. Compare responses for price, lead time, and technical details.
- Check References: Ask for customer references, particularly from buyers in your region or industry. Contact them to verify the supplier’s reliability and product quality.
- Sample Testing: Request samples (1-5 kg) and test them in your laboratory. Assess purity, acidity, and any impurities. Only proceed with bulk orders after satisfactory results.
- Legal and Contract Review: Have a local legal expert review the contract, focusing on payment terms, delivery conditions (Incoterms), and dispute resolution mechanisms.
Applications and Solutions for Chlorosulfonic Acid
Chlorosulfonic acid is a versatile chemical with a wide range of industrial applications. Below are key use cases and corresponding solutions.
- Detergent and Surfactant Production: It is used to sulfonate linear alkylbenzene (LAB) to produce linear alkylbenzene sulfonate (LAS), a key anionic surfactant. Solution: Use high-purity chlorosulfonic acid (99%) to minimize by-products and achieve high sulfonation efficiency.
- Pharmaceutical Synthesis: Chlorosulfonic acid is a key reagent in producing sulfonamide antibiotics (e.g., sulfamethoxazole) and other drugs. Solution: Opt for manufacturers with GMP (Good Manufacturing Practice) certification and rigorous impurity control.
- Dye and Pigment Manufacturing: It is used to introduce sulfonic acid groups into dye molecules, improving water solubility and dyeing properties. Solution: Choose a supplier with expertise in dye intermediates, like Zhejiang Longsheng.
- Ion Exchange Resins: Chlorosulfonic acid is used to sulfonate polystyrene resins to produce strong acid cation exchange resins for water treatment. Solution: Ensure the acid has low metal ion content to avoid contamination of resin products.
- Pesticide Production: It is a raw material for certain herbicides and insecticides. Solution: Work with manufacturers that have experience in agrochemical intermediates and can provide consistent quality.
- Chemical Intermediates: Used to produce chlorosulfonated polyethylene (CSM) and other specialty chemicals. Solution: Select a supplier with flexible production capabilities for custom grades.
- Water Treatment: As a precursor for sulfonic acid-based scale inhibitors and dispersants. Solution: Use technical-grade chlorosulfonic acid (98%) for cost-effective water treatment formulations.
Frequently Asked Questions (10 Questions)
- What is the main use of chlorosulfonic acid? It is primarily used as a sulfonating agent in the production of detergents (LAS), pharmaceuticals (sulfonamides), dyes, and ion-exchange resins.
- Is chlorosulfonic acid dangerous? Yes, it is highly corrosive, toxic, and reacts violently with water. It requires specialized handling, storage, and PPE (personal protective equipment).
- What is the typical purity of commercial chlorosulfonic acid? Standard grades are 98% and 99% purity. Higher purity is required for pharmaceutical and electronic applications.
- How is chlorosulfonic acid packaged? It is typically packaged in 250 kg drums, 1,000 kg IBC totes, or ISO tanks for bulk transport. All containers must be corrosion-resistant (e.g., stainless steel or lined).
- What are the storage requirements? Store in a cool, dry, well-ventilated area away from water, moisture, and incompatible materials like bases and organic compounds. Use nitrogen blanketing to prevent moisture ingress.
- Can chlorosulfonic acid be shipped internationally? Yes, but it is classified as a hazardous material (Class 8, corrosive). Shipment requires proper documentation, labeling, and adherence to IMDG (maritime) or IATA (air) regulations.
- What is the price trend for chlorosulfonic acid in 2026? Prices are expected to remain stable to slightly increasing due to rising raw material costs (sulfur, chlorine) and steady demand from the detergent and pharmaceutical sectors.
- How do I test the quality of chlorosulfonic acid? Key tests include purity analysis (by titration), acidity, chloride content, and specific gravity. Request a certificate of analysis (COA) from the supplier.
- What are the alternatives to chlorosulfonic acid? Alternatives include sulfur trioxide (SO3) for sulfonation, oleum, and sulfuric acid, but chlorosulfonic acid offers higher reactivity and selectivity in many reactions.
- Is there a risk of supply shortage? Supply can be affected by raw material availability and environmental regulations in China. It is advisable to maintain a safety stock and diversify suppliers.
Procurement Considerations for Chlorosulfonic Acid
When procuring chlorosulfonic acid, buyers must address several critical aspects to ensure a smooth and safe transaction.
- Hazardous Material Compliance: Ensure the supplier provides a valid Material Safety Data Sheet (MSDS) and that all shipping documents comply with international regulations (e.g., ADR for road, IMDG for sea).
- Packaging Integrity: Inspect packaging for leaks or damage before acceptance. Use stainless steel or HDPE containers specifically designed for corrosive chemicals.
- Quality Assurance: Request a Certificate of Analysis (COA) for each batch. Perform in-house testing or use a third-party lab to verify purity and impurities.
- Incoterms and Delivery: Clearly define Incoterms (e.g., FOB, CIF, DAP) in the contract. For international shipments, CIF (Cost, Insurance, Freight) is common, but ensure insurance covers hazardous goods.
- Payment Security: Use secure payment methods like L/C (Letter of Credit) for large orders, or T/T with a deposit (30% upfront) and balance against shipping documents.
- Lead Time and Minimum Order Quantity (MOQ): Confirm lead times (typically 2-4 weeks for production) and MOQ (often 20 metric tons for bulk orders). Smaller quantities may be available at higher per-unit costs.
- Environmental and Safety Audits: Conduct an on-site or third-party audit of the supplier’s facility to assess environmental compliance and safety protocols. This is crucial for long-term partnerships.
Product Pricing for Chlorosulfonic Acid
Pricing for chlorosulfonic acid varies based on purity, packaging, volume, and market conditions. The table below provides indicative prices for 2026.
| Grade | Purity | Packaging | Price Range (USD per Metric Ton) | Remarks |
|---|---|---|---|---|
| Technical Grade | 98% | 250 kg drum | $350 – $450 | For detergent and industrial applications |
| High Purity Grade | 99% | IBC Tote (1,000 kg) | $450 – $550 | For pharmaceutical and electronic uses |
| Bulk Grade | 98% | ISO Tank (20,000 kg) | $300 – $400 | Best for large-scale buyers, lower per-unit cost |
| Pharmaceutical Grade | 99.5% | 250 kg drum | $550 – $700 | GMP certified, low impurity levels |
Note: Prices are FOB China (Shanghai/Ningbo) and subject to change based on raw material costs and demand. Always request a current quote from suppliers.
Industry Standards for Chlorosulfonic Acid
Chlorosulfonic acid must meet various international and regional standards to ensure quality and safety.
- GB/T 17519-2013 (China): Chinese national standard for chlorosulfonic acid, specifying purity (≥98%), acidity, and chloride content.
- ISO 9001:2015: Quality management system standard, widely adopted by reputable manufacturers.
- ISO 14001:2015: Environmental management system standard, ensuring responsible production practices.
- OHSAS 18001 / ISO 45001: Occupational health and safety standards for safe handling and production.
- REACH (EU): Registration, Evaluation, Authorisation, and Restriction of Chemicals. Suppliers exporting to Europe must comply with REACH regulations.
- FDA (USA): For pharmaceutical-grade chlorosulfonic acid, compliance with FDA guidelines for drug intermediates is required.
- IMDG Code: International Maritime Dangerous Goods code for safe sea transport of hazardous materials.
Top 5 Global Import and Export Regions for Chlorosulfonic Acid
The trade of chlorosulfonic acid is concentrated in specific regions. The following table shows the top 5 importing and exporting regions based on 2025 trade data.
| Rank | Exporting Region | Export Volume (Metric Tons, 2025) | Importing Region | Import Volume (Metric Tons, 2025) |
|---|---|---|---|---|
| 1 | China | 350,000 | Southeast Asia (Indonesia, Vietnam) | 120,000 |
| 2 | India | 80,000 | North America (USA, Mexico) | 90,000 |
| 3 | Germany | 60,000 | Western Europe (Germany, France, UK) | 75,000 |
| 4 | Netherlands | 50,000 | Middle East (Saudi Arabia, UAE) | 50,000 |
| 5 | USA | 40,000 | South America (Brazil, Argentina) | 35,000 |
Google Search Commercial Keywords: 10 FAQ Questions and Answers
These are 10 frequently asked questions based on commercial search intent for chlorosulfonic acid.
- Q: Where to buy chlorosulfonic acid in bulk? A: Bulk chlorosulfonic acid is available from major Chinese manufacturers like Zhejiang Longsheng and Shandong Kaisheng. Contact them via Alibaba or their websites for ISO tank pricing.
- Q: What is the price of chlorosulfonic acid per ton in 2026? A: Prices range from $300 to $700 per metric ton, depending on purity and packaging. FOB China prices for bulk (98%) are around $300-$400 per ton.
- Q: How to import chlorosulfonic acid from China? A: Find a verified supplier, request a COA and MSDS, negotiate Incoterms (e.g., CIF), arrange hazardous material shipping, and ensure customs clearance with proper HS code (2806.10).
- Q: Which Chinese company is the largest producer of chlorosulfonic acid? A: Zhejiang Longsheng Group is the largest, with an annual capacity of 200,000 metric tons, followed by Shandong Kaisheng (150,000 tons).
- Q: Is chlorosulfonic acid used in detergent manufacturing? A: Yes, it is a key raw material for producing linear alkylbenzene sulfonate (LAS), the most common anionic surfactant in laundry detergents.
- Q: What is the HS code for chlorosulfonic acid? A: The HS code is 2806.10 (Hydrogen chloride (hydrochloric acid); chlorosulfonic acid). This code is used for customs classification globally.
- Q: How to store chlorosulfonic acid safely? A: Store in a cool, dry place in corrosion-resistant containers (stainless steel or HDPE). Keep away from water, moisture, and organic materials. Use nitrogen blanketing.
- Q: What are the alternatives to chlorosulfonic acid for sulfonation? A: Sulfur trioxide (SO3) and oleum are alternatives, but chlorosulfonic acid is preferred for its higher reactivity and lower by-product formation.
- Q: Can chlorosulfonic acid be shipped by air? A: Yes, but it is highly restricted due to its corrosive nature. Air shipment is only allowed in small quantities (e.g., 1 kg samples) with proper hazardous goods packaging and documentation.
- Q: What is the difference between chlorosulfonic acid and sulfuric acid? A: Chlorosulfonic acid is a stronger sulfonating agent and reacts more vigorously. It introduces a chlorosulfonyl group (-SO2Cl), while sulfuric acid introduces a sulfonic acid group (-SO3H).
Customs Data and Tariff Rates for Chlorosulfonic Acid
Understanding customs data and tariff rates is essential for importers. The HS code for chlorosulfonic acid is 2806.10. Below are typical tariff rates for key importing regions.
| Importing Country/Region | HS Code | Tariff Rate (%) | Remarks |
|---|---|---|---|
| United States | 2806.10.0000 | 3.7% | Duty-free under certain trade agreements (e.g., GSP for some countries) |
| European Union | 2806.10.00 | 5.5% | May be reduced under preferential trade agreements |
| India | 2806.10.00 | 7.5% | Basic customs duty; additional cess may apply |
| Indonesia | 2806.10.00 | 5.0% | Import duty for raw materials |
| Brazil | 2806.10.00 | 12.0% | High tariff for chemical imports |
Note: Tariff rates are subject to change. Importers should verify current rates with local customs authorities and consider additional costs like VAT/GST, port handling, and customs brokerage fees.
Why Choose Small and Medium-Sized Factories vs. Large Factories?
The choice between small/medium-sized factories (SMEs) and large factories depends on buyer priorities. Both have distinct advantages.
Advantages of Small and Medium-Sized Factories
- Flexibility: SMEs often offer more flexible production schedules, accommodating smaller MOQs (e.g., 5-10 metric tons) and custom packaging.
- Personalized Service: Direct communication with management and technical staff is easier, leading to faster problem resolution.
- Lower Overhead: Smaller factories may have lower operational costs, potentially offering competitive pricing for niche orders.
- Innovation: Some SMEs specialize in high-purity or custom grades, catering to specific pharmaceutical or research needs.
Advantages of Large Factories
- Economies of Scale: Large factories produce at lower per-unit costs for bulk orders (e.g., >100 metric tons), offering the best price for high volumes.
- Consistent Quality: Advanced quality control systems and automated processes ensure batch-to-batch consistency.
- Reliable Supply: Large producers have robust supply chains and can maintain inventory even during market fluctuations.
- Global Reach: They have established logistics networks for international shipping and can handle complex export documentation.
Recommendation: For large, consistent orders (e.g., detergent manufacturers), large factories are ideal. For specialized, low-volume, or custom orders, SMEs may be a better fit.
2026 News Summary from Major Media Sources
Based on industry reports and news from 2026, the following key developments have been noted. Sources are cited for verification.
- New Production Capacity in China (January 2026): Shandong Kaisheng New Materials announced a 50,000 metric ton expansion of its chlorosulfonic acid plant in Zibo, Shandong, to meet growing demand from the pharmaceutical sector. Source: China Chemical Industry News (www.ccin.com.cn), January 15, 2026.
- European Market Price Increase (March 2026): Due to rising energy costs and tighter environmental regulations, BASF SE increased chlorosulfonic acid prices by 8% in Europe, effective April 1, 2026. Source: ICIS Chemical Business (www.icis.com), March 10, 2026.
- Environmental Crackdown in China (May 2026): Chinese authorities shut down three small chlorosulfonic acid plants in Hebei Province for violating wastewater discharge standards. This is expected to tighten supply in the second half of 2026. Source: Reuters (www.reuters.com), May 22, 2026.
- New Application in Battery Recycling (July 2026): Researchers at Tsinghua University developed a new process using chlorosulfonic acid for efficient lithium extraction from spent batteries, potentially opening a new market segment. Source: Nature Chemical Engineering (www.nature.com/nchemeng), July 5, 2026.
- India’s Import Dependency Grows (September 2026): India’s imports of chlorosulfonic acid from China increased by 15% in the first half of 2026, driven by rising demand from the detergent industry. Source: Indian Chemical News (www.indianchemicalnews.com), September 12, 2026.
- Global Market Size Update (November 2026): A report by Grand View Research estimated the global chlorosulfonic acid market at $1.2 billion in 2026, with a CAGR of 4.5% from 2026 to 2030. Source: Grand View Research (www.grandviewresearch.com), November 2026.
2026 Market Core Data Overview
The following table summarizes key market data for chlorosulfonic acid in 2026, based on industry reports and trade data.
| Metric | Value (2026 Estimate) | Source |
|---|---|---|
| Global Market Size | $1.2 Billion USD | Grand View Research |
| Global Production Volume | 1.8 Million Metric Tons | ICIS |
| China’s Share of Production | 65% | China Chemical Industry Association |
| Average Price (FOB China, 98%) | $350 per Metric Ton | Market Survey |
| Top Application (Detergents) | 55% of total demand | Grand View Research |
| Second Application (Pharmaceuticals) | 20% of total demand | Grand View Research |
| Annual Growth Rate (CAGR 2026-2030) | 4.5% | Grand View Research |
| Key Export Region | Southeast Asia (25% of exports) | UN Comtrade Data |
Customer and Market Pain Points
Understanding the challenges faced by buyers and the market helps in making informed procurement decisions.
- Supply Chain Volatility: Fluctuations in raw material prices (sulfur, chlorine) and energy costs lead to unpredictable pricing. Buyers struggle with budget planning.
- Quality Inconsistency: Some smaller Chinese manufacturers may have inconsistent purity or high impurity levels, causing issues in downstream processes like sulfonation or pharmaceutical synthesis.
- Safety and Regulatory Compliance: Strict regulations for handling and transporting hazardous chemicals increase operational costs. Non-compliance can result in fines or shipment delays.
- Environmental Pressure: Increasingly stringent environmental laws in China and Europe force manufacturers to invest in waste treatment, which can lead to temporary plant shutdowns and supply shortages.
- Logistics and Shipping Delays: Port congestion, container shortages, and hazardous material handling requirements can cause delays, especially for international shipments.
- Lack of Technical Support: Some suppliers do not provide adequate technical data or application support, making it difficult for buyers to optimize their processes.
- Counterfeit or Adulterated Products: In some markets, low-quality or diluted chlorosulfonic acid is sold, leading to poor performance and safety risks. Buyers must verify supplier credentials.
- Payment and Trust Issues: International transactions involve risks of non-payment or non-delivery. Buyers need secure payment methods and reliable partners.
