Jiangsu Kolod Food Ingredients Co., Ltd. manufactures and supplies Food Grade Magnesium Sulphate Heptahydrate (MgSO₄·7H₂O), also known as Epsom Salt, with an assay of at least 99.5% on a heptahydrate basis. It is used in selected food processing, brewing water treatment, and magnesium fortification applications, subject to applicable food regulations.
|
Chemical Formula |
MgSO4·7H2O |
|
CAS No. |
10034-99-8 |
|
EC No. |
231-298-2 |
|
Molecular Weight |
246.47 g/mol |
|
Grade Standard |
Food Grade (Complies with FCC / E518 / GB 29207 specifications) |
Technical Product Specifications
The specifications below list the product's quality limits and corresponding test methods. A batch-specific Certificate of Analysis (COA) is provided with each shipment.
|
Specification Item |
Quality Acceptance Limits |
Analytical Method / Test Reference Standard |
|
Product Name |
Magnesium Sulphate Heptahydrate (Epsom Salt) |
Visual / Identity Testing |
|
Chemical Formula |
MgSO4·7H2O |
- |
|
CAS Number |
10034-99-8 |
- |
|
Appearance |
White crystalline powder or transparent crystals |
Organoleptic inspection against standard reference |
|
Assay (MgSO4·7H2O Basis) |
≥ 99.5% |
Complexometric Titration (EDTA method) |
|
pH (5% Aqueous Solution @ 25°C) |
5.0 – 9.2 |
Potentiometric pH Meter |
|
Lead (Pb) |
≤ 1.0 mg/kg (ppm) |
ICP-OES / AAS |
|
Arsenic (As) |
≤ 2.0 mg/kg (ppm) |
Atomic Fluorescence Spectrometry (AFS) / ICP-OES |
|
Heavy Metals (as Pb) |
≤ 10 mg/kg (ppm) |
Colorimetric / ICP-OES |
|
Selenium (Se) |
≤ 30 mg/kg (ppm) |
AFS / ICP-OES |
|
Chloride (Cl) |
≤ 0.01% (100 ppm) |
Ion Chromatography / Silver Nitrate Turbidimetry |
|
Solubility in Water |
Freely soluble in water; practically insoluble in ethanol |
Gravimetric dissolution test |
Technical Food Applications
Brewing & Beverage Processing
• Application: Brewing water mineral adjustment.
• Compatibility: Suitable for aqueous mineral-adjustment systems and liquid dosing.
• Suitability: Adjusts magnesium and sulfate levels to meet brewing water specifications.
Soybean Processing
• Application: Tofu and soy milk coagulation.
• Compatibility: Suitable for use in magnesium-based coagulant formulations.
• Suitability: Supports soy protein coagulation and helps achieve the desired tofu texture.
Food Fortification & Nutritional Formulations
• Application: Magnesium fortification in beverages, powdered foods, and nutritional premixes.
• Compatibility: Suitable for aqueous formulations and dry blends, subject to formulation requirements.
• Suitability: Provides a source of magnesium for food fortification, subject to applicable food regulations.
Quality Assurance & Laboratory Controls
Kolod enforces a complete ISO9001 and ISO22000/FSSC22000-compliant Quality Management System spanning raw material qualification, in-process control, and finished-product testing.
Raw Material Sourcing ➔ In-Process Reaction Control ➔ Crystallization & Refining ➔ Instrument Testing (ICP/IC) ➔ Batch Release & COA
In-House Analytical Instrumentation & Testing Focus:
• ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry): High-precision quantitation of trace heavy metals (Lead, Arsenic, Cadmium, Heavy Metals).
• Ion Chromatography (IC): Accurate measurement of anion impurities such as Chlorides (Cl-) and Nitrates (NO3-).
• Atomic Fluorescence Spectrometry (AFS): Ultra-trace detection of Selenium and Arsenic.
• Titration & Physical Testing: Assay confirmation on the heptahydrate basis and 5% solution pH measurement.
Quality Documentation Package for Supplier Qualification:
The following documents are available upon request for supplier qualification:
• Technical Data Sheet (TDS)
• Safety Data Sheet (SDS) (GHS-compliant, multi-language)
• Batch-specific Certificate of Analysis (COA)
• Third-Party Test Reports (SGS/Eurofins available upon request)
• Regulatory Declarations: Non-GMO, Allergen-Free, BSE/TSE-Free, Halal, Kosher
Manufacturing Capabilities
Location: Guanyun Economic Development Zone, Lianyungang, Jiangsu Province, China.
Scale: 5 specialized production plants covering over 500,000 m² with 31 modern production lines.
Global Reach: Exported to over 100 countries, serving 6,000+ commercial clients worldwide.
Procurement Specifications
|
Supply Term |
Commercial Detail |
|
Minimum Order Quantity (MOQ) |
Standard MOQ is 1 metric ton (1,000 kg). |
|
Standard Packaging |
25 kg multi-wall paper/PE woven bag with inner PE liner. 1,000 kg Jumbo Bags (FIBC) with moisture barrier. |
|
Customization & Palletization |
Fumigated wooden pallets, plastic pallets, stretch-wrapped, custom private labeling, and custom bag weights available upon request. |
|
Sample |
Free 200–500 g evaluation samples; express freight is payable by the buyer or charged to the buyer's courier account. |
|
Lead Time |
Typically dispatched within 10–14 business days after contract confirmation. |
|
Storage & Shelf Life |
Store unopened packaging in a cool, dry, well-ventilated place. Shelf life is 24 months under recommended storage conditions. |
FAQ
Q: Can you provide a batch-specific COA with each shipment?
A: Yes. Every shipment shipped from Kolod includes an official, lot-matched Certificate of Analysis (COA) showing actual laboratory analytical results for assay, pH, heavy metals (Pb, As), and physical parameters.
Q: How do you verify product compliance for US and European markets?
A: Our Food Grade Magnesium Sulfate Heptahydrate meets the compositional and purity criteria established by the Food Chemicals Codex (FCC), EU E518 guidelines, and GB 29207 standards. We assist US and EU buyers by providing complete technical documentation for local regulatory filing and supplier approval.
Q: What documentation is available for initial supplier qualification?
A: We provide a complete audit package including TDS, SDS, Representative COA, Flow Chart, Allergen Statement, Non-GMO Statement, ISO/FSSC Certificates, and Halal/Kosher certificates.
Q: What is the standard MOQ and lead time for repeat commercial orders?
A: Our standard MOQ is 1 MT (1,000 kg). For repeat orders, production and dispatch are typically completed within 10 to 14 days following purchase order confirmation.
Hot Tags: magnesium sulphate heptahydrate -food grade 99.5% (epsom salt), China magnesium sulphate heptahydrate -food grade 99.5% (epsom salt) manufacturers, suppliers, factory, Ammonium Sulfate Food Grade, Ferrous Sulfate Monohydrate, Food Grade Copper Sulfate, Manganese Sulfate Food Grade, Reagent Grade Ammonium Ferric Sulfate, Reagent Grade Ammonium Ferrous Sulfate
