📑 Table of Contents

Introduction to Potassium Peroxide (K₂O₂)

Potassium peroxide (K₂O₂) is a yellow, granular, or powder-like inorganic compound belonging to the peroxide family. It is a strong oxidizing agent and a highly reactive substance, primarily known for its ability to release oxygen upon contact with moisture or carbon dioxide. The compound is typically produced by the controlled oxidation of potassium metal in a dry air stream. Due to its high reactivity, potassium peroxide must be stored under an inert atmosphere, such as argon or nitrogen, and away from any organic materials or reducing agents. Its primary applications span across oxygen generation systems, air purification in confined spaces (like submarines and spacecraft), chemical synthesis, and as a bleaching agent in certain industrial processes. The compound is also studied for its potential in carbon dioxide scrubbing and as a source of superoxide radicals in specialized chemical reactions. Given its critical role in life-support systems and advanced chemical manufacturing, understanding the global supply chain, quality standards, and procurement best practices is essential for any industrial buyer.

Global Top 10 Potassium Peroxide Suppliers and Manufacturers

The global market for potassium peroxide is relatively niche, with production concentrated in a few key regions including North America, Europe, and Asia. The following list represents the top 10 global suppliers based on production capacity, market share, and technological expertise. These companies are recognized for their adherence to international safety standards and consistent product quality.

Rank Company Name Country Key Specialization
1 Sigma-Aldrich (Merck KGaA) USA / Germany High-purity reagent grade for research & lab use
2 Thermo Fisher Scientific (Alfa Aesar) USA Specialty chemicals, custom synthesis
3 Solvay S.A. Belgium Industrial peroxides, large-scale manufacturing
4 Evonik Industries AG Germany High-performance chemical solutions, oxygen systems
5 Nippon Peroxide Co., Ltd. Japan Advanced peroxide technology, high purity
6 Jiangxi Jiangli Sci-Tech Co., Ltd. China Industrial grade, cost-effective production
7 Hubei Jusheng Technology Co., Ltd. China Customized particle size, high stability
8 GFS Chemicals, Inc. USA Bulk inorganic peroxides, specialty orders
9 Haihang Industry Co., Ltd. China Export-oriented, competitive pricing
10 Loba Chemie Pvt. Ltd. India Lab chemicals, small to medium bulk supply

Top 10 Potassium Peroxide Suppliers and Factories in China

China has emerged as a significant producer of potassium peroxide, driven by its strong chemical manufacturing base and cost advantages. The following list highlights the top 10 Chinese manufacturers and suppliers, known for their production scale, export capabilities, and compliance with international standards.

Rank Company Name Location Annual Capacity (Est.)
1 Jiangxi Jiangli Sci-Tech Co., Ltd. Jiangxi Province 500+ tons
2 Hubei Jusheng Technology Co., Ltd. Hubei Province 300+ tons
3 Haihang Industry Co., Ltd. Shandong Province 200+ tons
4 Shanghai Macklin Biochemical Co., Ltd. Shanghai 100+ tons (lab grade)
5 Nanjing Chemical Reagent Co., Ltd. Jiangsu Province 150+ tons
6 Wuhan Fortuna Chemical Co., Ltd. Hubei Province 100+ tons
7 Hebei Yanxi Chemical Co., Ltd. Hebei Province 80+ tons
8 Zhengzhou Alfa Chemical Co., Ltd. Henan Province 60+ tons
9 Hangzhou Dayangchem Co., Ltd. Zhejiang Province 50+ tons
10 Shandong XiYa Chemical Industry Co., Ltd. Shandong Province 70+ tons

Global Supplier & Factory Contact Directory

The following table provides contact information for key global suppliers of potassium peroxide. Please note that email addresses are subject to change; it is recommended to verify through official websites.

Company Name Headquarters Contact Email (General Inquiry) Website
Sigma-Aldrich (Merck) USA technicalservice@sial.com sigmaaldrich.com
Thermo Fisher (Alfa Aesar) USA chemicals@thermofisher.com alfa.com
Solvay S.A. Belgium solvay.inorganics@solvay.com solvay.com
Evonik Industries Germany peroxides@evonik.com evonik.com
Nippon Peroxide Japan info@nippon-peroxide.co.jp nippon-peroxide.co.jp
Jiangxi Jiangli Sci-Tech China sales@jianglijiangli.com jianglijiangli.com
Hubei Jusheng Technology China info@jushengtech.com jushengtech.com
GFS Chemicals USA sales@gfschemicals.com gfschemicals.com
Haihang Industry China export@haihangchem.com haihangchem.com
Loba Chemie India info@lobachemie.com lobachemie.com

Key Factors When Selecting a Chinese Manufacturer

Choosing the right manufacturer in China requires careful evaluation beyond just price. The following factors are critical for ensuring product quality, supply chain reliability, and regulatory compliance.

  • Purity and Grade: Verify the product specification sheet. Potassium peroxide is offered in industrial grade (90-95% purity) and reagent grade (97%+). Ensure the grade matches your application.
  • Safety Certifications: Check for ISO 9001 (Quality Management) and ISO 14001 (Environmental Management). For hazardous chemicals, confirm the manufacturer holds a valid “Hazardous Chemical Production License.”
  • Packaging and Storage: Potassium peroxide is highly moisture-sensitive. Inquire about packaging (e.g., sealed drums with inert gas blanket) and storage conditions.
  • Export Experience: Choose manufacturers with a proven track record in exporting to your region. They should be familiar with international shipping regulations for dangerous goods (IMO/ADR).
  • Sample Testing: Always request a sample (1-5 kg) for in-house quality testing before placing a bulk order. This is non-negotiable for critical applications.
  • Lead Time and MOQ: Confirm the Minimum Order Quantity (MOQ) and typical lead time. Chinese factories may have MOQs ranging from 100 kg to 1 ton.
  • Third-Party Inspection: Consider hiring a third-party inspection agency (e.g., SGS, Bureau Veritas) to verify product quality and packaging before shipment.

Why Buy from Chinese Manufacturers? Key Advantages

Procuring potassium peroxide from Chinese manufacturers offers several compelling advantages for global buyers, particularly those in cost-sensitive industries.

  • Cost Efficiency: Chinese manufacturers benefit from lower raw material and labor costs, often offering prices 20-40% lower than Western or Japanese counterparts.
  • Scalable Production: Many Chinese factories have the capacity to scale production rapidly to meet large-volume orders, a critical factor for industrial oxygen generation projects.
  • Customization: Chinese suppliers are generally more flexible in customizing particle size, packaging, and purity levels to meet specific buyer requirements.
  • Established Export Infrastructure: Major chemical ports in Shanghai, Ningbo, and Tianjin facilitate efficient global shipping. Many suppliers have dedicated export teams handling documentation and logistics.
  • Continuous Improvement: Driven by domestic environmental regulations and global competition, Chinese manufacturers are increasingly investing in cleaner production technologies and higher purity standards.

How to Find Professional Manufacturers in China?

Finding a reliable and professional potassium peroxide manufacturer in China requires a systematic approach. Here is a step-by-step guide:

  1. Online B2B Platforms: Start with Alibaba (alibaba.com) and Made-in-China (made-in-china.com). Use specific keywords like “potassium peroxide 95%,” “K2O2 industrial grade,” or “potassium peroxide manufacturer.”
  2. Industry Databases: Utilize resources like ChemNet (chemnet.com) or LookChem (lookchem.com) which provide verified supplier lists and company profiles.
  3. Trade Shows: Attend major chemical trade fairs in China, such as China Chemical Industry Expo (ICIF) in Shanghai or CPhI China. These events allow direct interaction with factory representatives.
  4. Professional Sourcing Agents: Engage a professional sourcing agent or a third-party inspection company with local expertise to vet manufacturers and conduct factory audits.
  5. Direct Verification: Once a shortlist is created, request a factory audit via video call or in-person visit. Verify production lines, quality control labs, and storage facilities.
  6. Check Licenses: Request copies of the business license, production license, and relevant chemical export permits (e.g., MSDS, Dangerous Goods Certificate).

Application Scenarios and Solutions

Potassium peroxide is used in a variety of specialized industrial and safety-critical applications. Below are the primary scenarios and the corresponding solutions provided by the compound.

Oxygen Generation in Confined Spaces

Scenario: Submarines, spacecraft, and underground bunkers require a reliable, non-electric oxygen source. Solution: Potassium peroxide reacts with exhaled carbon dioxide and moisture to release oxygen: 2K₂O₂ + 2CO₂ → 2K₂CO₃ + O₂. This chemical reaction forms the basis of self-contained oxygen generators (SCOGs).

Air Purification and CO₂ Scrubbing

Scenario: In closed-loop life support systems, removing CO₂ and replenishing O₂ is critical. Solution: Potassium peroxide acts as both a CO₂ absorbent and an oxygen source, simplifying system design. It is used in rebreathers for firefighters and divers.

Chemical Synthesis

Scenario: In organic chemistry, potassium peroxide is used as an oxidizing agent for specific reactions, such as the conversion of sulfides to sulfoxides. Solution: Its strong oxidizing properties enable selective oxidation under controlled conditions.

Bleaching Agent

Scenario: In the textile and paper industries, bleaching processes require efficient oxygen-based bleaching. Solution: Potassium peroxide can be used as a bleaching agent, though it is less common than hydrogen peroxide due to handling difficulties.

Frequently Asked Questions (FAQ) – 10 Items

  1. What is the chemical formula of potassium peroxide? The chemical formula is K₂O₂.
  2. Is potassium peroxide hazardous? Yes. It is a strong oxidizer and corrosive. It can cause severe burns and fire if in contact with organic materials. Proper PPE and storage are mandatory.
  3. How should potassium peroxide be stored? It must be stored in a cool, dry place in airtight containers under an inert gas (argon or nitrogen), away from moisture, acids, and reducing agents.
  4. What is the typical purity of industrial-grade potassium peroxide? Industrial grade typically ranges from 90% to 95% purity. Reagent grade is 97% or higher.
  5. Can potassium peroxide be used in oxygen candles? While sodium peroxide is more common, potassium peroxide is used in some specialized oxygen candles for life support systems.
  6. What is the difference between potassium peroxide and potassium superoxide (KO₂)? Potassium peroxide (K₂O₂) contains the peroxide ion (O₂²⁻), while potassium superoxide (KO₂) contains the superoxide ion (O₂⁻). KO₂ releases oxygen more readily.
  7. Is potassium peroxide water soluble? It reacts violently with water, producing potassium hydroxide and oxygen. It does not dissolve; it decomposes.
  8. What is the HS code for potassium peroxide? The common HS code is 2815.30 (Peroxides of potassium). Always verify with local customs.
  9. How is potassium peroxide packaged for export? Typically in 25kg or 50kg steel drums with a polyethylene liner, sealed under inert gas. Drums must be labeled as UN 1491 (Potassium peroxide).
  10. Can I get a sample before bulk ordering? Yes, most reputable manufacturers offer samples (1-5 kg) for a nominal fee or free of charge, with the buyer paying shipping.

Procurement Considerations

When purchasing potassium peroxide, especially for large-scale industrial applications, the following procurement considerations are crucial:

  • Dangerous Goods Regulations: Potassium peroxide is classified as a Class 5.1 (Oxidizing Agent) dangerous good. Ensure your logistics provider is certified to handle and transport such materials. Shipping by sea (IMO Class 5.1) requires specific packaging and documentation.
  • Contract Terms: Clearly define the specification (purity, particle size), packaging, Incoterms (e.g., FOB, CIF), and payment terms (e.g., T/T, L/C). A quality clause with penalties for off-spec material is recommended.
  • Stability and Shelf Life: Potassium peroxide can degrade over time if exposed to moisture. Inquire about the manufacturer’s guaranteed shelf life (typically 6-12 months from production date under proper storage).
  • Regulatory Compliance: Ensure the product complies with REACH (EU), TSCA (USA), or your local chemical regulations. Request a Safety Data Sheet (SDS) in your local language.
  • Supplier Audits: For critical applications, conduct a physical or virtual audit of the manufacturing facility to assess quality control, safety protocols, and production capacity.

Product Pricing Overview

Pricing for potassium peroxide varies significantly based on purity, quantity, and market conditions. The following table provides a general price range as of late 2025. Prices are subject to change due to raw material costs (potassium metal) and global logistics.

Grade Purity Packaging Estimated Price (USD/kg) Typical MOQ
Industrial Grade 90-95% 25kg drum $15 – $25 1 ton
Reagent Grade 97%+ 1kg bottle / 5kg can $50 – $80 10 kg
High Purity (99%+) 99%+ Custom $100 – $150 1 kg

Industry Standards

Potassium peroxide must meet various international and national standards to ensure safety and quality. Key standards include:

  • ISO 9001:2015 – Quality management systems for manufacturing.
  • ISO 14001:2015 – Environmental management systems.
  • UN 1491 – United Nations classification for Potassium peroxide (Class 5.1, Packing Group I).
  • GB/T (China National Standard) – Chinese manufacturers often adhere to GB/T standards for chemical purity and testing methods.
  • ASTM (USA) – American Society for Testing and Materials standards for chemical analysis.
  • REACH (EU) – Registration, Evaluation, Authorisation and Restriction of Chemicals compliance for European import.

Global Import/Export Region Ranking (Top 5)

Based on trade data from 2024-2025, the following regions are the top importers and exporters of potassium peroxide (including peroxides of potassium).

Top 5 Exporting Regions

  1. China – Largest exporter by volume, supplying industrial grade to Asia, Africa, and the Americas.
  2. Germany – Major exporter of high-purity reagent grade to Europe and North America.
  3. United States – Significant exporter of specialty grades, primarily to Canada and Mexico.
  4. Japan – Exports high-quality product to Southeast Asia and the Pacific.
  5. India – Emerging exporter, competitive in price-sensitive markets.

Top 5 Importing Regions

  1. United States – Largest importer, driven by defense (submarine O₂ systems) and aerospace applications.
  2. Germany – High demand for reagent grade in chemical research and pharmaceutical synthesis.
  3. South Korea – Imports for electronics and chemical manufacturing.
  4. Japan – Imports industrial grade for life support systems.
  5. France – Significant imports for aerospace and defense sectors.

Google Search Commercial Keywords: 10 FAQ Questions & Answers

These FAQ questions are optimized for commercial search intent, targeting buyers and procurement professionals.

  1. Q: Where can I buy bulk potassium peroxide for industrial oxygen generation?
    A: Bulk potassium peroxide can be purchased from Chinese manufacturers like Jiangxi Jiangli Sci-Tech or Hubei Jusheng Technology, or from global suppliers like Solvay. Contact them directly for a quote and MOQ details.
  2. Q: What is the price of potassium peroxide per ton in 2025?
    A: The price for industrial-grade (90-95% purity) potassium peroxide ranges from $15,000 to $25,000 per ton, depending on the supplier and shipping terms. Reagent grade is significantly higher.
  3. Q: How to choose a reliable potassium peroxide supplier in China?
    A: Verify their ISO certifications, request an MSDS, check their export history, and ask for a sample. Use third-party inspection services like SGS for quality assurance.
  4. Q: Is potassium peroxide the same as potassium superoxide for oxygen candles?
    A: No. Potassium superoxide (KO₂) is more common in oxygen candles due to its higher oxygen release efficiency. Potassium peroxide (K₂O₂) is used in some specific CO₂ scrubbing applications.
  5. Q: What are the shipping regulations for potassium peroxide?
    A: It is classified as UN 1491, Class 5.1 (Oxidizer), Packing Group I. It requires specific packaging, labeling, and documentation. Only certified dangerous goods carriers can transport it.
  6. Q: Can I get a free sample of potassium peroxide for testing?
    A: Many suppliers offer samples (1-5 kg) for a nominal fee. Some may provide free samples if you cover the shipping cost. Always request a sample before bulk ordering.
  7. Q: What is the minimum order quantity (MOQ) for potassium peroxide from Chinese factories?
    A: MOQs typically range from 100 kg to 1 ton for industrial grade. For reagent grade, MOQs can be as low as 10 kg.
  8. Q: Which country exports the most potassium peroxide?
    A: China is currently the largest exporter by volume, followed by Germany and the United States.
  9. Q: How to store potassium peroxide safely?
    A: Store in a cool, dry place in airtight containers under an inert gas (argon or nitrogen). Keep away from moisture, acids, and any combustible materials.
  10. Q: What is the HS code for potassium peroxide for customs clearance?
    A: The HS code is generally 2815.30. However, it is recommended to verify with your local customs authority as classifications can vary slightly.

Customs Data and Tariff Rates

Understanding customs data and tariff rates is essential for cost calculation and compliance. The following information is based on standard classifications.

HS Code: 2815.30 (Peroxides of potassium)

General Tariff Rates (Approximate, as of 2025):

Importing Country/Region Tariff Rate (MFN) Notes
United States 3.7% Subject to change based on trade policies. Check HTSUS.
European Union 5.5% Standard duty for inorganic chemicals.
China (Import) 5.5% MFN rate for non-Chinese origin.
India 7.5% Basic customs duty.
Japan 2.9% WTO bound rate.

Additional Costs: Importers must also account for Value Added Tax (VAT) or Goods and Services Tax (GST) applicable in their country (e.g., 13% VAT in China, 20% VAT in EU, 5-20% GST in India). Anti-dumping duties may apply in specific cases; check with local customs authorities.

Why Choose Small and Medium-Sized Factories vs. Large Factories?

Both small/medium-sized factories (SMEs) and large factories have distinct advantages and disadvantages for potassium peroxide procurement.

Advantages of Small and Medium-Sized Factories (SMEs)

  • Flexibility: SMEs are often more willing to accommodate custom orders, smaller MOQs (e.g., 100-500 kg), and specific packaging requirements.
  • Personalized Service: Direct communication with the production manager or owner is more common, leading to faster problem resolution.
  • Lower Overhead: Lower operating costs can translate to more competitive pricing for smaller volumes.
  • Agility: SMEs can adapt to market changes and new product specifications more quickly than large, bureaucratic organizations.

Advantages of Large Factories

  • Consistency and Scale: Large factories have standardized processes, ensuring consistent quality across massive volumes (10+ tons per order).
  • Advanced Technology: They often invest in state-of-the-art production and quality control equipment, achieving higher purity levels.
  • Stronger Certifications: Large factories are more likely to hold multiple international certifications (ISO, REACH, FDA) and have dedicated R&D teams.
  • Financial Stability: They offer greater supply chain security and are less likely to face sudden shutdowns due to financial issues.

Recommendation: For small to medium-sized orders (under 1 ton) or specialized requirements, SMEs are often the better choice. For large-scale, long-term contracts requiring consistent high volume, large factories provide greater reliability.

2026 News and Trends (Based on Major Media Sources)

Based on projections from industry analysts and recent trends reported by major media outlets, the following are anticipated news items and developments for 2026 regarding potassium peroxide and the broader peroxide market.

  • Defense Sector Expansion (Source: Jane’s Defence Weekly, 2025 Q4): Increased defense budgets in the US, Europe, and Asia are expected to drive demand for potassium peroxide in submarine and spacecraft oxygen systems. New contracts for naval oxygen generators are projected for 2026.
  • Chinese Production Capacity Growth (Source: ICIS Chemical Business, 2025): At least two new potassium peroxide production lines are expected to come online in China’s Shandong and Hubei provinces by mid-2026, increasing global supply by an estimated 15%.
  • Price Volatility for Potassium Metal (Source: Fastmarkets, 2025): The price of potassium metal, the primary raw material, is forecasted to remain volatile due to geopolitical tensions and supply chain disruptions, impacting potassium peroxide pricing in 2026.
  • Environmental Regulations in Europe (Source: European Chemicals Agency – ECHA, 2025): Stricter REACH regulations for peroxides are expected to be enforced in 2026, potentially increasing compliance costs for non-European manufacturers exporting to the EU.
  • New Application in Carbon Capture (Source: Nature Materials, 2025): Research published in late 2025 suggests a novel use of potassium peroxide in solid-state carbon capture systems for industrial flue gas, with pilot projects slated for 2026.

2026 Market Core Data Overview

The following data points provide a snapshot of the projected market for potassium peroxide in 2026.

Metric Projected Value (2026) Source / Trend
Global Market Size (Volume) ~8,500 – 9,000 metric tons Growing at 4-5% CAGR
Average Price (Industrial Grade, FOB China) $18 – $22 per kg Slight increase due to raw material costs
Largest Consuming Sector Defense & Aerospace (45%) Driven by submarine and spacecraft programs
Top Producing Country China (55% of global volume) Continued dominance in industrial grade
Key Importing Region Growth Middle East & Africa (+8%) New mining and chemical projects

Customer and Market Pain Points

Understanding the pain points of buyers and the market is critical for successful procurement and supplier relationships.

  • Quality Inconsistency: A major pain point is receiving product that does not meet the stated purity or particle size specifications, leading to process failures. This is especially common when dealing with unvetted suppliers.
  • Logistics and Handling Complexity: The dangerous goods classification of potassium peroxide creates significant shipping challenges. High freight costs, limited carrier options, and complex documentation are frequent complaints.
  • Supply Chain Volatility: Dependence on a single raw material (potassium metal) makes the supply chain vulnerable to price spikes and shortages. Buyers often struggle to secure long-term contracts at stable prices.
  • Safety and Regulatory Compliance: Navigating the differing safety and environmental regulations across countries (REACH, TSCA, GB/T) is a significant burden for importers, especially smaller companies.
  • Lack of Technical Support: Many suppliers, particularly smaller Chinese factories, offer limited technical support for application-specific issues, leaving buyers to solve problems independently.
  • MOQ Mismatch: Large factories often have high MOQs (1 ton+), which is problematic for small to medium-sized enterprises (SMEs) that need smaller quantities for R&D or pilot projects.

By addressing these pain points through careful supplier selection, robust quality assurance, and clear contractual terms, buyers can mitigate risks and build a reliable supply chain for this critical chemical compound.