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Magnesium Sulphate Heptahydrate
Magnesium Sulphate Heptahydrate MgSO4·7H2O from Weifang City Guomei Chemical Co. Ltd. is a bulk industrial and agricultural chemical supplied in 25kg bags or jumbo bags. The compound delivers soluble magnesium and sulphur, essential nutrients for soil enrichment and crop yield improvement. It is also deployed in textile dyeing, where it acts as a levelling agent, and in brewing to adjust water profiles for consistent fermentation results.
The product meets the standard composition for magnesium sulphate heptahydrate, with a typical molecular weight of 246.47 g/mol and a standard purity of 99.5% minimum for industrial grades. In agriculture, it is applied as a foliar spray or soil additive, with typical application rates of 10-20 kg per hectare, depending on soil deficiency levels. The crystalline form dissolves rapidly in water, ensuring quick uptake by plants or integration into industrial processes.
Industrial buyers use this grade for water treatment, where it aids in the removal of heavy metals and suspended solids, and in the paper industry to improve pulp brightness. The supplier’s annual production capacity exceeds 50,000 metric tonnes, ensuring consistent bulk availability. Importers should confirm packaging preferences and moisture content specifications, as variations can impact handling and storage stability.
| Chemical Formula | MgSO4·7H2O |
| Molecular Weight | 246.47 g/mol typical |
| Purity | 99.5% minimum typical for industrial grade |
| Appearance | White crystalline powder or granules |
| Solubility in Water | 25 g/100 mL at 20°C typical |
| pH (5% solution) | 5.0 - 8.0 typical |
| Magnesium (Mg) Content | 9.8% minimum typical |
| Sulphur (S) Content | 13.0% minimum typical |
| Packaging | 25kg woven bags or jumbo bags |
| Iron (Fe) Content | 0.005% maximum typical |
Weifang City Guomei Chemical Co. Ltd. is based in Weifang, Shandong Province, a region recognised for its chemical manufacturing expertise. The company operates from No.88, Xiafei Road, Hanting District, with a focus on bulk production of magnesium sulphate and related industrial chemicals. Its harbor trust tier signals established trade credentials for international buyers.
The supplier’s profile does not specify employee count, production capacity, or year of establishment, so these details should be confirmed directly. The response rate is not publicly available, but the company’s address and trade signals indicate a verifiable operation. Buyers should request updated certifications and quality control documentation to validate compliance with industry standards.
Magnesium Sulphate Heptahydrate (MgSO4·7H2O) is a high-purity chemical raw material widely used in agriculture as a fertiliser for soil magnesium enrichment and in industrial applications including textile processing, brewing, and water treatment. This bulk commodity is available in 25kg bags or jumbo bags, sourced from established Chinese manufacturers with annual production capacity exceeding 50,000 MT. Ideal for import buyers seeking cost-competitive supply of industrial and agricultural grade magnesium sulphate at negotiable bulk rates.
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Sourcing Magnesium Sulphate Heptahydrate from Weifang City Guomei Chemical Co. Ltd. - China Import Guide
Before placing an order, verify the supplier’s current production capacity and quality control processes. Request updated certificates of analysis for recent batches to confirm purity, magnesium content, and heavy metal levels meet your specifications. Ensure the supplier can provide consistent grain size and solubility for your intended application.
Confirm logistics details such as lead time, which can vary based on order volume and production schedules. Clarify Incoterms, with FOB or CIF being common for bulk chemical shipments from China. Payment terms typically include a deposit followed by balance upon shipment, but these should be negotiated directly with the supplier.
Conduct quality checks on arrival by testing solubility, pH, and impurity levels against the COA. For agricultural use, perform a small-scale trial to assess plant response. Inspection certificates and phytosanitary documentation may be required for customs clearance, so confirm these with the supplier before dispatch.
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30 suppliersBuy Magnesium Sulphate Heptah in Bulk — Supplier in China
When sourcing Magnesium Sulphate Heptahydrate for your business, securing the right balance of quality and cost is essential. Weifang City Guomei Chemical Co. Ltd., a supplier based in China, offers this product with key specifications including Industrial Grade / Agricultural Grade, MgSO4·7H2O, Purity >= 99.0%, and White Crystalline Solid. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $165/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2833.21, making it a staple in the Chemicals & Allied Products sector with strong demand from importing countries worldwide.
Magnesium Sulphate Heptah Specifications, Trade Terms & Pricing
Importing Magnesium Sulphate Heptah requires careful attention to shipping logistics, customs compliance, and secure payment terms. Weifang City Guomei Chemical Co. Ltd. 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 2833.21 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 Weifang City Guomei Chemical Co. Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Magnesium Sulphate Heptah 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 Magnesium Sulphate Heptah — Shipping, Logistics & Customs
Importing Magnesium Sulphate Heptah 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 2833.21 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 Magnesium Sulphate Heptah
What is the wholesale price of Magnesium Sulphate Heptahydrate?
The current listed wholesale price for Magnesium Sulphate Heptahydrate from Weifang City Guomei Chemical Co. Ltd. is $165/Bags 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 Weifang City Guomei Chemical Co. Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Magnesium Sulphate Heptah?
The supplier, Weifang City Guomei Chemical Co. Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Magnesium Sulphate Heptah. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Magnesium Sulphate Heptahydrate?
For international shipping and customs clearance, Magnesium Sulphate Heptahydrate is classified under HS Code 2833.21. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Magnesium Sulphate Heptah from China?
To import Magnesium Sulphate Heptah from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Weifang City Guomei Chemical Co. Ltd.. Ensure you have the necessary import licenses for Chemicals & Allied Products products in your destination country.
How can I check Weifang City Guomei Chemical Co. Ltd. before ordering?
Open the Weifang City Guomei Chemical Co. Ltd. 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 Magnesium Sulphate Heptahydrate?
The key specifications for Magnesium Sulphate Heptahydrate supplied by Weifang City Guomei Chemical Co. Ltd. include Industrial Grade / Agricultural Grade, MgSO4·7H2O, Purity >= 99.0%, and White Crystalline Solid. 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 Magnesium Sulphate Heptah?
Weifang City Guomei Chemical Co. Ltd. offers Magnesium Sulphate Heptah with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Magnesium Sulphate Heptah the most?
Magnesium Sulphate Heptah is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Weifang City Guomei Chemical Co. Ltd. through our platform.
What certifications does this Magnesium Sulphate Heptah supplier hold?
Weifang City Guomei Chemical Co. Ltd. maintains international quality certifications. These ensure that the Magnesium Sulphate Heptah meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Magnesium Sulphate Heptahydrate on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Weifang City Guomei Chemical Co. Ltd. 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 Weifang City Guomei Chemical Co. Ltd..
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