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Sodium sulfide
Sodium sulfide (Na₂S) supplied by Sinopec Science& Tech-Tianjin Corporation is an industrial‑grade inorganic compound used in several heavy‑industry processes. The product is offered in flake or crystal form with a disclosed purity of 60‑63 % and appears as a yellow‑brown solid. Each batch is packed in 25 kg woven bags and carries the CAS number 1313‑82‑2 and HS code 28301090 for customs clearance. The supplier’s address is Room 3‑2‑2401, Xiangyun Mingyuan, Shijing Road, Hedong District, Tianjin, China.
In the chemical trade, industrial‑grade sodium sulfide typically meets a purity window of 55‑70 % and is stored as low‑moisture flakes to minimise oxidation. Standard bulk handling guidelines recommend keeping the material in a dry, temperature‑controlled warehouse below 25 °C to preserve reactivity. The typical bulk density for this grade is around 1.5 g cm⁻³ and moisture content is kept below 0.5 % to ensure consistent performance. Safety data sheets classify it as hazardous, requiring sealed packaging and appropriate personal protective equipment during handling.
Major users include leather tanneries, pulp‑and‑paper mills, water‑treatment facilities and mining operations that rely on sulfide for flotation. Buyers are usually chemical distributors or manufacturing plants that integrate the compound into downstream processes. The supplier indicates availability of FOB and CIF shipping options, though exact minimum order quantities and lead times must be confirmed directly. Importers should request a Certificate of Analysis and confirm payment terms before finalising the purchase.
| Chemical Formula | Na₂S |
| CAS Number | 1313‑82‑2 |
| HS Code | 28301090 |
| Purity (as supplied) | 60‑63 % (industrial grade) |
| Physical Form | Yellow‑brown flakes or crystals |
| Packaging | 25 kg woven bags |
| Typical Bulk Density | typical 1.5 g cm⁻³ |
| Typical Moisture Content | typical <0.5 % |
| Typical Storage Temperature | typical below 25 °C, dry environment |
| Typical Shelf Life | typical 12 months when stored properly |
Sinopec Science& Tech-Tianjin Corporation is located in Tianjin, China, with its registered address at Room 3‑2‑2401, Xiangyun Mingyuan, Shijing Road, Hedong District. The supplier holds a harbor‑tier verification status on the platform, although its response rate is currently recorded as zero, indicating that enquiries may require follow‑up through alternative contact channels. The company specialises in the production and export of inorganic chemicals for industrial applications.
The current listing confirms that the company supplies industrial‑grade sodium sulfide in 25 kg woven bags, with a stated purity range of 60‑63 % and a yellow‑brown flake appearance. No specific information on minimum order quantities, lead times or pricing is provided, so buyers should request these details directly from the supplier.
Sodium sulfide (Na2S) is a versatile inorganic compound widely used in leather processing, pulp and paper manufacturing, water treatment, and mining flotation applications. This industrial-grade chemical is available in flake and crystal form, typically supplied at 60-63% purity for commercial use. Sourced from major producing regions, sodium sulfide is an essential input chemical for B2B buyers engaged in textile dyeing, metal extraction, and wastewater processing operations, making it a high-demand commodity in global chemical trade markets.
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Sourcing Sodium sulfide from Sinopec Science& Tech-Tianjin Corporation - China Import Guide
Before placing an order, verify the supplier’s corporate registration and harbor‑tier status, and request a recent business licence and a Certificate of Analysis confirming the 60‑63 % purity. Confirm that the product originates from the Tianjin facility and that the packaging meets your handling requirements.
Discuss logistics early: ask the supplier to specify the preferred Incoterms (FOB or CIF), the loading port in China, and an estimated lead time, which typically ranges from a few weeks to a month for bulk shipments. Clarify payment terms such as T/T or L/C and any advance deposit requirements.
Arrange for a pre‑shipment inspection by a third‑party agency, and request the full Safety Data Sheet, Certificate of Analysis and any relevant export certificates. These documents will support customs clearance and ensure the material meets your quality standards.
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30 suppliersBuy Sodium Sulfide in Bulk — Supplier in China
When sourcing Sodium Sulfide for your business, securing the right balance of quality and cost is essential. Sinopec Science& Tech-Tianjin Corporation, a supplier based in China, offers this product with key specifications including Industrial Grade, Flake and Crystal Form, Na2S 60-63% (typical); Available in 90-93% purity for specialized applications, and Yellow to Reddish-Brown Flakes or Crystals. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $400 – $600 / MT and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2830.10, making it a staple in the Chemicals & Allied Products sector with strong demand from importing countries worldwide.
Sodium Sulfide Specifications, Trade Terms & Pricing
Importing Sodium Sulfide requires careful attention to shipping logistics, customs compliance, and secure payment terms. Sinopec Science& Tech-Tianjin Corporation offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 2830.10 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Sinopec Science& Tech-Tianjin Corporation — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Sodium Sulfide for business registration and quality documents before ordering. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of manufacturers and exporters across 200+ countries. Explore similar products in the Chemicals & Allied Products category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Sodium Sulfide — Shipping, Logistics & Customs
Importing Sodium Sulfide requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 2830.10 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Sodium Sulfide
What is the wholesale price of Sodium Sulfide?
The current listed wholesale price for Sodium Sulfide from Sinopec Science& Tech-Tianjin Corporation is $400 – $600 / MT on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Sinopec Science& Tech-Tianjin Corporation through EximNext.
What is the Minimum Order Quantity (MOQ) for Sodium Sulfide?
The supplier, Sinopec Science& Tech-Tianjin Corporation, has set a Minimum Order Quantity (MOQ) of 1 Bags for Sodium Sulfide. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Sodium Sulfide?
For international shipping and customs clearance, Sodium Sulfide is classified under HS Code 2830.10. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Sodium Sulfide from China?
To import Sodium Sulfide from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Sinopec Science& Tech-Tianjin Corporation. Ensure you have the necessary import licenses for Chemicals & Allied Products products in your destination country.
How can I check Sinopec Science& Tech-Tianjin Corporation before ordering?
Open the Sinopec Science& Tech-Tianjin Corporation company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Sodium Sulfide?
The key specifications for Sodium Sulfide supplied by Sinopec Science& Tech-Tianjin Corporation include Industrial Grade, Flake and Crystal Form, Na2S 60-63% (typical); Available in 90-93% purity for specialized applications, and Yellow to Reddish-Brown Flakes or Crystals. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Sodium Sulfide?
Sinopec Science& Tech-Tianjin Corporation offers Sodium Sulfide with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Sodium Sulfide the most?
Sodium Sulfide is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Sinopec Science& Tech-Tianjin Corporation through our platform.
What certifications does this Sodium Sulfide supplier hold?
Sinopec Science& Tech-Tianjin Corporation maintains international quality certifications. These ensure that the Sodium Sulfide meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Sodium Sulfide on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Sinopec Science& Tech-Tianjin Corporation will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Sinopec Science& Tech-Tianjin Corporation.
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