Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of high purity ferrous sulfate heptahydrate in China. Welcome to wholesale high quality high purity ferrous sulfate heptahydrate made in China here from our factory. For price consultation, contact us.
Product Overview
High Purity Ferrous Sulfate Heptahydrate is an iron(II) sulfate compound containing seven molecules of crystallization water, identified by the chemical formula FeSO4 * 7H2O and CAS Number 7782-63-0.
Supplied as free-flowing blue-green crystals, the product offers high water solubility. In industrial environments, its operational performance is dictated by precise chemical composition, active ferrous iron concentration, and minimal insoluble residue levels. Industrial buyers evaluate these parameters to ensure seamless integration into continuous treatment systems and chemical synthesis lines.
Technical Specification
|
Parameter |
Technical Details |
|
Product Name |
High Purity Ferrous Sulfate Heptahydrate |
|
Chemical Formula |
FeSO4 * 7H2O |
|
Molecular Weight |
278.01 g/mol |
|
Appearance |
Blue-green crystalline solid |
|
Assay (FeSO4 * 7H2O) |
Verified per lot specification |
|
Elemental Iron (Fe) |
19.0% - 21.0% range |
|
Ferrous Iron (Fe2+) |
Controlled active content |
|
Insoluble Matter |
Minimized to prevent system clogging |
|
Heavy Metals |
Controlled within industrial limits |
|
PH (50 g/L, 25C) |
3.0 - 4.0 |
|
Packaging Configuration |
25 kg lined bags / industrial bulk bags |
Core Industrial Applications
Municipal and Industrial Wastewater Treatment
Utilized as an active iron-based coagulant and precipitating agent.
Primary Functions: Effective phosphorus removal, chemical oxygen demand (COD) reduction, heavy metal precipitation, and suspended solids aggregation.
Operational Control: Performance relies on precise dosing control, raw effluent pH levels, and adequate mixing conditions.
Chemical Manufacturing and Synthesis
Acts as a reactive chemical intermediate and iron-bearing raw material.
Application Scope: Production of iron pigments, catalysts, ferrite materials, and specialized chemical formulations.
Evaluation Focus: Strict adherence to impurity limits and predictable batch reactivity.
Agricultural and Technical Formulations
Incorporated into technical manufacturing processes for micronutrient fertilizers and soil treatment compounds.
Compliance Requirement: Evaluated according to specific regional agricultural input standards and formulation chemistry.
Process Compatibility & Dosing Guidelines
To maximize efficiency in industrial processing, technical evaluation should consider:
Dissolution Behavior: Soluble in water; preparation systems should utilize proper agitation to ensure complete dissolution before dosing.
Oxidation Management: Dosing and mixing tanks should minimize prolonged exposure to atmospheric oxygen to prevent premature conversion of ferrous (Fe2+) to ferric (Fe3+) ions.
Material Compatibility: Aqueous solutions exhibit a mildly acidic pH (3.0–4.0); storage and transfer equipment should utilize corrosion-resistant materials such as stainless steel, FRP, or lined plastics.
Storage and Handling Recommendations
Proper inventory management preserves product stability and prevents physical degradation:
Moisture Protection: Store in tightly sealed, original packaging within a cool, dry, and well-ventilated indoor facility to prevent caking and moisture absorption.
Thermal Control: Protect from direct sunlight, extreme temperature fluctuations, and heat sources.
Incompatible Materials: Keep separated from strong oxidizing agents and strong bases.
Personal Safety: Operators must adhere to standard industrial hygiene practices, utilizing appropriate gloves, eye protection, and dust respirators as specified in the product SDS.
Packaging Options and Inquiry Checklist
Standard and customized packaging solutions are available to match international shipping requirements and handling equipment:
Standard Packaging: 25 kg polypropylene woven bags with moisture-resistant polyethylene inner liners.
Bulk Packaging: Heavy-duty industrial jumbo bags (super sacks).
FAQ
Q: What is the typical lead time for bulk export orders?
A: Standard production and export preparation typically require between 10 to 20 days following order confirmation and receipt of payment terms. Specific lead times depend on total order volume, packaging customization, and destination port logistics.
Q: Can you provide custom particle sizing for specific industrial applications?
A: Yes. Particle size distribution can be adjusted according to client manufacturing requirements during production. Please specify your required mesh size or particle range during the technical inquiry stage to verify processing capabilities.
Q: How do you prevent caking and moisture absorption during long-distance ocean shipping?
A: The product is packed in moisture-resistant polypropylene woven bags featuring heavy-duty polyethylene inner liners, hermetically heat-sealed or tied to protect the crystalline structure from high-humidity environments during maritime transit.
Q: What is the minimum order quantity (MOQ) for international shipments?
A: The standard MOQ for international ocean freight is typically one 20-foot container load, which optimizes shipping costs and container weight limits. Trial orders or smaller sample quantities can be arranged upon request for laboratory evaluation.
Q: What payment terms are accepted for new international buyers?
A: Standard international commercial payment terms include telegraphic transfer with a deposit and balance against shipping documents, or confirmed letter of credit at sight, subject to financial review and order volume.
Hot Tags: high purity ferrous sulfate heptahydrate, China high purity ferrous sulfate heptahydrate manufacturers, suppliers, factory, ferrous sulfate food application, ferrous sulfate for water treatment, ferrous sulfate metabolism, ferrous sulfate pigment application, ferrous sulfate testing, ferrous sulfate usp
