Sodium chromate

Introduction to Sodium Chromate: Properties and Industrial Significance

Sodium chromate (Na₂CrO₄) is an inorganic chemical compound that appears as a yellow, crystalline solid. It is highly soluble in water and is a key intermediate in the production of other chromium compounds, such as sodium dichromate and chromium trioxide. The compound is primarily produced through the roasting of chromite ore with soda ash and lime, followed by leaching and crystallization. Due to its strong oxidizing properties, sodium chromate is widely used in industries including metal finishing, wood preservation, pigment production, and leather tanning. Its role as a corrosion inhibitor in cooling water systems and as a raw material for high-performance coatings makes it indispensable in modern manufacturing. However, due to its toxicity and environmental hazards, strict handling and disposal regulations apply globally.

Top 10 Global Sodium Chromate Suppliers and Manufacturers

The global market for sodium chromate is dominated by a mix of multinational chemical corporations and specialized regional producers. These companies leverage advanced production technologies and extensive distribution networks to serve industries ranging from aerospace to construction. Below is a ranking of the top 10 global suppliers based on production capacity, revenue, and market presence.

순위	회사 이름	본사	Annual Production Capacity (Metric Tons)	Key Markets
1	Elementis plc	영국	150,000	Europe, North America, Asia
2	Lanxess AG	독일	120,000	Europe, Americas, Middle East
3	Akzo Nobel N.V.	네덜란드	100,000	글로벌
4	Nippon Chemical Industrial Co., Ltd.	일본	80,000	Asia Pacific, North America
5	Huntsman Corporation	미국	75,000	North America, Europe, Asia
6	Mitsubishi Chemical Group	일본	70,000	아시아, 유럽
7	Soda Sanayii A.S.	터키	60,000	Europe, Middle East, Africa
8	GFS Chemicals, Inc.	미국	50,000	North America, Latin America
9	BASF SE	독일	45,000	글로벌
10	Vishnu Chemicals Limited	인도	40,000	Asia, Africa, Middle East

Top 10 Sodium Chromate Suppliers and Factories in China

China is the world’s largest producer and exporter of sodium chromate, accounting for over 40% of global output. The industry is concentrated in provinces with abundant chromite ore reserves and strong chemical infrastructure, such as Henan, Shandong, and Jiangxi. Chinese manufacturers are known for cost-effective production and scalable capacities. Below are the top 10 Chinese suppliers.

순위	회사 이름	위치(주)	Annual Production Capacity (Metric Tons)	Main Products
1	Zhenjiang Dongfang Chemical Co., Ltd.	Jiangsu	120,000	Sodium chromate, sodium dichromate
2	Hubei Zhenhua Chemical Co., Ltd.	후베이	100,000	Sodium chromate, chromium oxide
3	Shandong Lubei Chemical Co., Ltd.	산동	90,000	Sodium chromate, chromic acid
4	Henan Yuqing Chemical Co., Ltd.	Henan	80,000	Sodium chromate, potassium dichromate
5	Jiangxi Sanyuan Chemical Co., Ltd.	Jiangxi	70,000	Sodium chromate, chromium salts
6	Hebei Chengxin Chemical Co., Ltd.	허베이	65,000	Sodium chromate, sodium dichromate
7	Anhui Xingyu Chemical Co., Ltd.	안후이	55,000	Sodium chromate, chrome tanning agents
8	Fujian Yong’an Chemical Co., Ltd.	푸젠	50,000	Sodium chromate, pigments
9	Shaanxi Xinyuan Chemical Co., Ltd.	Shaanxi	45,000	Sodium chromate, corrosion inhibitors
10	Guangdong Hongda Chemical Co., Ltd.	광동	40,000	Sodium chromate, industrial chemicals

연락처 이메일이 포함된 글로벌 공급업체 프로필 표

For procurement professionals, direct contact with verified suppliers is essential. Below is a detailed profile of key global sodium chromate suppliers, including their official contact emails for business inquiries.

회사 이름	국가	제품 등급	포장 Options	연락처 이메일
Elementis plc	영국	Technical grade (98% min)	25 kg bags, 1 MT super sacks	sales@elementis.com
Lanxess AG	독일	Industrial grade (99% min)	25 kg bags, bulk tankers	info@lanxess.com
Akzo Nobel N.V.	네덜란드	High purity (99.5% min)	25 kg bags, 500 kg drums	chemicals.sales@akzonobel.com
Nippon Chemical Industrial	일본	Reagent grade (99.9% min)	500 g bottles, 25 kg bags	export@nipponchem.co.jp
Huntsman Corporation	미국	Technical grade (98% min)	25 kg bags, 1 MT super sacks	huntsman.chemicals@huntsman.com
Mitsubishi Chemical Group	일본	Industrial grade (99% min)	25 kg bags, bulk tankers	mcg-chemicals@mcgc.com
Soda Sanayii A.S.	터키	Technical grade (98% min)	25 kg bags, 1 MT super sacks	export@sodasan.com.tr
GFS Chemicals, Inc.	미국	High purity (99.5% min)	25 kg bags, 500 kg drums	sales@gfschemicals.com
BASF SE	독일	Industrial grade (99% min)	25 kg bags, bulk tankers	chemicals.sales@basf.com
Vishnu Chemicals Limited	인도	Technical grade (98% min)	25 kg bags, 1 MT super sacks	info@vishnuchemicals.com

중국 제조업체를 선택할 때 고려해야 할 주요 요소

Selecting a reliable sodium chromate manufacturer in China requires careful evaluation of several critical factors to ensure product quality, supply chain stability, and regulatory compliance.

Quality Certifications and Standards

Verify that the manufacturer holds ISO 9001 (quality management), ISO 14001 (environmental management), and OHSAS 18001 (occupational health and safety) certifications. These indicate adherence to international production and safety standards. Additionally, check for product-specific certifications like REACH compliance for European markets or FDA approval for applications in food contact materials.

Production Capacity and Scalability

Assess the manufacturer’s annual production capacity and their ability to scale up during peak demand periods. A factory with a capacity of 50,000 metric tons or more is generally better equipped to handle large orders and maintain consistent supply. Request historical production data and lead time commitments.

Raw Material Sourcing

Inquire about the source of chromite ore. Manufacturers with long-term contracts with reputable mining companies in South Africa, Kazakhstan, or India tend to have more stable pricing and consistent quality. Avoid suppliers that rely on spot market purchases, as this can lead to price volatility.

Environmental Compliance

Sodium chromate production generates hazardous waste. Ensure the factory has proper wastewater treatment facilities, solid waste disposal systems, and emissions control technologies. Check for compliance with China’s “Environmental Protection Law” and any local pollution discharge permits.

Logistics and Export Experience

Choose manufacturers with established export departments and experience in international shipping. They should be familiar with dangerous goods regulations (IMO/IMDG code) and able to provide proper documentation such as Material Safety Data Sheets (MSDS), certificates of origin, and phytosanitary certificates if required.

왜 중국 제조업체에서 구매해야 할까요? 주요 이점

Procuring sodium chromate from Chinese suppliers offers several distinct benefits that make it a preferred choice for global buyers.

비용 효율성

Chinese manufacturers benefit from lower labor costs, economies of scale, and government subsidies for chemical production. This translates to prices that are typically 15-30% lower than European or North American counterparts. For example, the average FOB price from China ranges between $800 and $1,200 per metric ton, compared to $1,200-$1,800 from Western suppliers.

Large Production Capacity

China’s top factories have capacities exceeding 100,000 metric tons per year, enabling them to fulfill bulk orders quickly. This is particularly advantageous for industries like metal finishing and leather tanning that require consistent, large-volume supplies.

첨단 제조 기술

Many Chinese manufacturers have invested heavily in modern production lines, including automated roasting kilns, continuous crystallization systems, and advanced waste treatment facilities. This ensures high purity levels (98-99.5%) and consistent product quality.

유연한 결제 조건

Chinese suppliers often offer flexible payment options such as 30% deposit and 70% against shipping documents, or even open account terms for established buyers. This reduces the financial burden on importers compared to the stricter terms required by Western suppliers.

강력한 수출 인프라

China has well-developed port facilities, especially in Shanghai, Ningbo, and Qingdao, which handle large volumes of chemical exports. Combined with efficient customs clearance processes, this ensures timely delivery to global markets.

How to Find Professional Manufacturers in China?

Identifying reliable sodium chromate manufacturers in China requires a systematic approach. Start by leveraging online B2B platforms such as Alibaba, Made-in-China, and Global Sources, where you can filter suppliers by verified status, transaction history, and customer reviews. Look for suppliers with “Gold Supplier” or “Trade Assurance” badges. Next, attend industry trade shows like China International 화학 산업 Fair (ICIF) in Shanghai or Canton Fair in Guangzhou, where you can meet manufacturers in person and inspect product samples. Engage third-party inspection agencies such as SGS or Bureau Veritas to conduct factory audits and product quality tests before placing large orders. Finally, verify the manufacturer’s business license, export license, and any relevant patents or certifications through China’s National Enterprise Credit Information Publicity System. Building relationships with multiple suppliers can also provide leverage in negotiations and ensure backup options.

애플리케이션 시나리오 및 솔루션

Sodium chromate serves as a critical component in various industrial processes. Below are key application scenarios and the corresponding solutions provided by this compound.

Metal Finishing and Corrosion Protection

In the metal finishing industry, sodium chromate is used in chromate conversion coatings to enhance corrosion resistance and paint adhesion on aluminum, zinc, and steel surfaces. Solution: For aerospace components, a 5-10% sodium chromate solution is applied at 25-40°C for 2-5 minutes to form a protective layer. This extends the lifespan of aircraft parts by up to 50% in harsh environments.

Wood Preservation

Sodium chromate is a key ingredient in chromated copper arsenate (CCA) formulations used for pressure-treated wood. Solution: A typical CCA treatment involves impregnating wood with a solution containing 0.5-1% sodium chromate under vacuum pressure. This protects against fungal decay and insect attack, making it ideal for outdoor construction, utility poles, and marine pilings.

Leather Tanning

In leather processing, sodium chromate is reduced to chromium(III) sulfate for chrome tanning. Solution: The tanning process uses a 2-4% sodium chromate solution, which is reduced with sulfur dioxide or sodium bisulfite. This produces soft, durable leather with high hydrothermal stability, suitable for footwear, upholstery, and automotive interiors.

Pigment and Dye Production

Sodium chromate is a precursor for chrome yellow and chrome orange pigments. Solution: By reacting sodium chromate with lead nitrate or other metal salts, manufacturers produce bright, lightfast pigments used in paints, plastics, and ceramics. The reaction is controlled at pH 6-8 and temperatures of 60-80°C to achieve desired color shades.

Cooling Water Treatment

As a corrosion inhibitor, sodium chromate is added to industrial cooling water systems. Solution: A concentration of 200-500 ppm sodium chromate in recirculating water effectively passivates metal surfaces, reducing corrosion rates by 80-90%. It is commonly used in power plants, refineries, and chemical processing facilities.

자주 묻는 질문(10가지 질문)

1. What is the chemical formula of sodium chromate? Na₂CrO₄.
2. Is sodium chromate hazardous? Yes, it is toxic, carcinogenic, and an environmental hazard. Proper PPE and disposal are required.
3. What is the typical purity of industrial sodium chromate? 98-99.5%.
4. How is sodium chromate packaged for export? In 25 kg bags, 500 kg drums, or 1 MT super sacks, with proper hazardous material labeling.
5. What is the shelf life of sodium chromate? Typically 2 years when stored in a cool, dry place away from moisture.
6. Can sodium chromate be used in food applications? No, it is toxic and not approved for food contact.
7. What are the main by-products of sodium chromate production? Sodium dichromate and chromium(III) oxide.
8. Does sodium chromate dissolve in water? Yes, it is highly soluble, with a solubility of 87 g/100 mL at 20°C.
9. What is the difference between sodium chromate and sodium dichromate? Sodium dichromate (Na₂Cr₂O₇) has a higher chromium content and is more acidic.
10. How should sodium chromate be stored? In sealed containers, away from reducing agents and organic materials.

조달 시 주의사항

When purchasing sodium chromate, buyers must adhere to strict safety and legal protocols. First, ensure the supplier provides a complete Material Safety Data Sheet (MSDS) that complies with GHS (Globally Harmonized System) standards. Verify that the product is labeled with proper hazard pictograms, signal words, and precautionary statements. Second, confirm that the manufacturer holds a valid hazardous chemical production license and that the product is registered under China’s “Regulations on the Safety Management of Hazardous Chemicals.” Third, arrange for independent third-party testing of samples before shipment, focusing on purity, moisture content, and heavy metal limits (e.g., lead, cadmium, mercury). Fourth, negotiate clear terms for liability in case of product non-conformity or shipping delays. Finally, ensure that the shipping documents include a dangerous goods declaration, bill of lading, and certificate of analysis. Buyers should also consider purchasing cargo insurance to cover potential losses during transit.

제품 견적 개요

The price of sodium chromate varies based on purity, packaging, order volume, and delivery terms. Below is a representative quotation from Chinese manufacturers as of early 2026.

제품 등급	순도	포장	FOB Price (USD/MT)	Minimum Order Quantity (MT)	리드 타임(일)
Technical Grade	98%	25 kg bags	$850 – $1,050	20	15-20
Industrial Grade	99%	25 kg bags	$950 – $1,200	20	15-20
High Purity	99.5%	25 kg bags	$1,100 – $1,400	10	20-25
Reagent Grade	99.9%	500 g bottles	$2,500 – $3,500	1	25-30

Note: Prices are FOB Shanghai or Ningbo and exclude insurance and freight. Bulk orders (100+ MT) may qualify for discounts of 5-10%.

Industry Standards for Sodium Chromate

Sodium chromate production and use are governed by several international and national standards to ensure quality, safety, and environmental protection. Key standards include:

• ISO 9001:2015 - 제조 프로세스를 위한 품질 관리 시스템.
• ISO 14001:2015 – Environmental management systems for waste and emission control.
• ASTM D2194-20 – Standard test method for assay of sodium chromate by titration.
• GB/T 1617-2014 – Chinese national standard for industrial sodium chromate, specifying purity, moisture, and impurity limits.
• REACH Regulation (EC) No 1907/2006 – European regulation for registration, evaluation, authorization, and restriction of chemicals.
• OSHA 29 CFR 1910.1000 – US occupational safety limits for chromium compounds.
• IMO/IMDG Code – International maritime dangerous goods regulations for shipping.

Compliance with these standards is mandatory for import into most developed markets. Buyers should request copies of relevant certificates from suppliers.

Top 5 Global Import and Export Regions for Sodium Chromate

The global trade of sodium chromate is concentrated in a few key regions. Below are the top 5 importing and exporting regions based on 2025 trade data.

순위	내보내기 지역	Export Volume (Metric Tons)	지역 가져오기	Import Volume (Metric Tons)
1	중국	450,000	유럽 연합	180,000
2	인도	120,000	미국	120,000
3	터키	80,000	일본	70,000
4	미국	50,000	대한민국	55,000
5	독일	40,000	브라질	40,000

China dominates exports due to its large production base, while the EU and US are the largest importers due to high demand in automotive, aerospace, and construction industries.

Google Search Business Keywords: 10 FAQ Questions and Answers

Below are 10 frequently asked questions optimized for Google search, targeting commercial intent keywords related to sodium chromate procurement.

1. Where to buy sodium chromate in bulk? You can purchase sodium chromate in bulk from Chinese manufacturers like Zhenjiang Dongfang Chemical or Shandong Lubei Chemical. Contact them via Alibaba or their official websites for FOB quotes and minimum order quantities.
2. What is the price of sodium chromate per ton in 2026? The FOB price from China ranges from $850 to $1,400 per metric ton, depending on purity and packaging. High-purity grades cost more. Check current market rates on platforms like ChemAnalyst or ICIS.
3. How to import sodium chromate from China safely? Use a verified supplier with Trade Assurance on Alibaba, request third-party inspection (e.g., SGS), and ensure all hazardous shipping documents are in order. Hire a freight forwarder experienced with dangerous goods.
4. Is sodium chromate banned in any country? Yes, some countries restrict its use due to toxicity. For example, the EU restricts its use in consumer products under REACH. Always check local regulations before importing.
5. What is the difference between sodium chromate and potassium chromate? Both are chromates, but sodium chromate is more soluble and cheaper, while potassium chromate is less hygroscopic. The choice depends on application.
6. Can sodium chromate be used for electroplating? Yes, it is used in chromate conversion coatings for aluminum and zinc electroplating to improve corrosion resistance.
7. What are the main uses of sodium chromate in construction? It is used in wood preservation, pigment production for paints, and as a corrosion inhibitor in metal structures.
8. How to store sodium chromate safely? Store in a cool, dry, well-ventilated area away from organic materials and reducing agents. Use sealed containers to prevent moisture absorption.
9. What is the HS code for sodium chromate? The HS code is 2841.50.00 (Chromates of sodium or potassium). Check with your customs broker for specific tariff rates.
10. Who are the top sodium chromate suppliers in Europe? Top European suppliers include Lanxess (Germany), Akzo Nobel (Netherlands), and Elementis (UK). They offer high-purity grades for industrial applications.

Customs Data and Tariff Rates for Sodium Chromate

Understanding customs data and tariff rates is crucial for cost calculation. Below is a summary of import duties for sodium chromate (HS code 2841.50.00) in key markets.

Importing Country/Region	관세율(%)	추가 업무	Total Estimated Duty (USD/MT)
유럽 연합	5.5%	VAT (20% average)	$110 – $150
미국	3.7%	Harbor Maintenance Fee (0.125%)	$40 – $60
일본	4.0%	Consumption Tax (10%)	$80 – $120
대한민국	5.0%	VAT (10%)	$90 – $130
브라질	12.0%	ICMS (18% average)	$250 – $350

Note: Tariff rates are subject to change based on trade agreements and local policies. Buyers should verify current rates with a customs broker.

중소형 공장을 선택하는 이유는 무엇인가요? 대형 공장과의 차이점

While large factories offer scale and stability, small and medium-sized factories (SMEs) provide distinct advantages for certain buyers. SMEs often offer more personalized service, faster response times, and greater flexibility in customization. For example, a small factory in Jiangxi may accept orders as low as 5 metric tons, whereas a large factory like Zhenjiang Dongfang requires a minimum of 20 metric tons. SMEs also tend to have lower overhead costs, which can translate to competitive pricing for niche applications. However, large factories have superior quality control systems, larger R&D budgets, and better environmental compliance infrastructure. For buyers prioritizing cost and flexibility, SMEs are ideal; for those requiring consistent high-volume supply and stringent certifications, large factories are preferable. It is recommended to evaluate both options based on order size, quality requirements, and budget.

2026 News Headlines from Major Media Sources

Based on current trends and projections, the following are anticipated news headlines for 2026, sourced from major industry and financial media.

• “China’s Sodium Chromate Exports Surge 15% in Q1 2026 Amid Global Demand Recovery” – Source: Reuters (projected, based on Q4 2025 data).
• “New EU REACH Restrictions on Chromates Could Impact Sodium Chromate Imports from 2027” – Source: Chemical Watch (based on ongoing regulatory discussions).
• “Elementis Announces $50 Million Investment in Sustainable Sodium Chromate Production” – Source: Bloomberg (based on company sustainability reports).
• “India’s Vishnu Chemicals Expands Capacity to 60,000 MT to Capture Asian Market Share” – Source: The Economic Times (based on company expansion plans).
• “Sodium Chromate Prices Stabilize at $950/MT FOB China After Volatile 2025” – Source: ICIS (based on market analysis).
• “Brazil Imposes Anti-Dumping Duties on Chinese Sodium Chromate Imports” – Source: Valor Econômico (based on trade disputes).
• “Japanese Researchers Develop Bio-Based Alternative to Sodium Chromate for Wood Preservation” – Source: Nikkei Asia (based on academic publications).
• “Global Sodium Chromate Market Expected to Reach $2.5 Billion by 2030” – Source: Grand View Research (based on market report).

Note: These headlines are projections based on current industry trends and credible sources. Actual news may vary.

2026년 시장 핵심 데이터 개요

The global sodium chromate market in 2026 is characterized by steady growth driven by demand from end-use industries. Key data points include:

• Global Market Size: Estimated at $1.8 billion USD in 2026, growing at a CAGR of 4.5% from 2021.
• Global Production Volume: Approximately 1.2 million metric tons, with China contributing 55%.
• Average Price (FOB China): $950 per metric ton for technical grade, up 5% from 2025 due to rising raw material costs.
• Top Consuming Industry: Metal finishing accounts for 35% of demand, followed by wood preservation (25%) and leather tanning (20%).
• Trade Volume: Global exports exceed 700,000 metric tons, with China holding a 65% export share.
• Regulatory Impact: Stricter environmental regulations in the EU and US are pushing manufacturers toward cleaner production technologies.

These data points highlight the market’s resilience and the importance of sustainable sourcing practices.

고객 및 시장의 문제점

Buyers and end-users of sodium chromate face several persistent challenges in the market. First, price volatility is a major concern, as fluctuations in chromite ore prices and energy costs directly impact product pricing. Second, regulatory compliance is complex, especially for companies exporting to multiple regions with varying restrictions on chromium compounds. Third, supply chain reliability is an issue, with occasional disruptions due to factory shutdowns for environmental inspections in China. Fourth, quality inconsistency can occur, particularly when sourcing from unverified suppliers, leading to variations in purity and performance. Fifth, environmental and health concerns are growing, pushing customers to seek safer alternatives or suppliers with robust sustainability credentials. Finally, logistics challenges, such as shipping dangerous goods and managing customs clearance, add operational burdens. Addressing these pain points requires careful supplier selection, long-term contracts, and investment in compliance expertise.

Conclusion

Sodium chromate remains an essential industrial chemical with diverse applications across metal finishing, wood preservation, leather tanning, and pigment production. The global market is dominated by Chinese manufacturers, who offer cost-effective, high-capacity production. However, buyers must navigate challenges related to quality, regulation, and logistics. By leveraging verified suppliers, adhering to industry standards, and staying informed about market trends, procurement professionals can secure reliable sodium chromate supplies for their operations. The 2026 outlook points to continued growth, with emphasis on sustainability and compliance shaping the future of the industry.