Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of ferrous sulfate monohydrate granules in China. Welcome to wholesale high quality ferrous sulfate monohydrate granules made in China here from our factory. For price consultation, contact us.
Product Overview
Ferrous sulfate monohydrate granules are a high-purity, free-flowing inorganic iron salt engineered for industrial manufacturing, agricultural input formulation, and specialized water treatment processes. Featuring a chemically bound monohydrate structure (FeSO4 * H2O), this granular product is optimized for automated handling, blending accuracy, and consistent dissolution performance.
Chemical Formula: FeSO4 * H2O
Physical Form: Uniform, free-flowing granules
Theoretical Iron Content: Approx. 32.87%
Primary Grades: Industrial Grade / Agricultural Grade
Core Technical Identification
|
Item |
Specification Parameter |
|
Product Name |
Ferrous Sulfate Monohydrate Granules |
|
CAS Number |
17375-41-6 |
|
Molecular Weight |
169.93 g/mol |
|
Appearance |
Grayish-white to light brown granules |
|
Solubility |
Soluble in water, forming a clear acidic solution |
|
Storage Stability |
Stable under dry, moisture-protected conditions |
Target Application Suitability
Fertilizer Manufacturing & Agricultural Inputs
Primary Function: Utilized as a stable micronutrient raw material in compound fertilizer granulation and direct soil enrichment formulations.
Procurement Considerations: Particle size compatibility with bulk blending equipment, moisture threshold, and heavy metal compliance.
Industrial Chemical Processing
Primary Function: Acts as an inorganic reducing agent and chemical intermediate for producing iron-based catalysts, pigments, and related compounds.
Procurement Considerations: Purity level, controlled impurity profiles, and batch-to-batch reaction consistency.
Industrial Wastewater Treatment
Primary Function: Applied in specialized effluent treatment for chemical precipitation, phosphate removal, and hexavalent chromium reduction.
Procurement Considerations: Dissolution kinetics, insoluble matter limits, and total iron availability in continuous feeding systems.
Manufacturing Process & Quality Control
Upstream Raw Material Control: Sourced from stable industrial precursors to secure foundational purity and restrict undesired trace elements.
Controlled Crystallization: Precision-monitored crystallization to lock in the stable monohydrate chemical structure.
Mechanical Granulation & Screening: Advanced agglomeration followed by multi-stage vibrating screens to isolate target particle size windows and remove oversized or fine fractions.
Laboratory Quality Assurance: Mandatory pre-shipment testing covering iron assay, moisture, and insoluble matter.
Supply Chain, Packaging & Storage
Standard Packaging Formats: Packed in moisture-resistant woven polypropylene bags featuring inner polyethylene liners (available in 25 kg bags and bulk jumbo bags up to 1,000 kg). Custom palletization options are available upon request.
Logistics & Lead Time: Backed by structured export packaging and reliable container loading arrangements to support global maritime shipping schedules.
Storage Guidelines: Store in a cool, dry, well-ventilated, and covered warehouse. Protect packaging from direct rain exposure and high humidity to prevent surface caking. Keep bags securely sealed when not in use.
Safety, Environmental & Regulatory Risk Management
Safe Handling Precautions: Avoid generating airborne dust during transfer. Use appropriate personal protective equipment including industrial dust respirators, chemical-resistant gloves, and safety goggles.
Environmental Impact & Spillage Control: Prevent uncontrolled discharge into municipal water systems or surface water bodies. Sweep up dry spills mechanically into designated recovery containers for proper neutralization or disposal.
Occupational Safety: Direct contact can cause skin and eye irritation. Ensure eyewash stations and safety showers are accessible within the immediate storage and handling work areas.
FAQ
Q: What is the main difference between ferrous sulfate monohydrate and heptahydrate?
A: The primary variance lies in the quantity of crystallization water molecules. Monohydrate (FeSO4 * H2O) contains one water molecule, offering higher active iron concentration per unit weight and superior shelf-life stability, whereas heptahydrate contains seven water molecules and is prone to weathering.
Q: How does the granular structure reduce dusting?
A: Mechanical granulation binds micro-crystals into uniform granules, sharply minimizing airborne dust generation during high-speed transfer, mechanical weighing, and dry-blending compared to standard powder alternatives.
Q: What quality documents are dispatched with each order?
A: Standard document packages include the Certificate of Analysis (COA) specific to the shipped lot, the Material Safety Data Sheet (MSDS/SDS), and the Technical Data Sheet (TDS).
Q: Can particle size distributions be customized?
A: Yes. Particle size ranges can be adjusted via customized screening procedures to match specific industrial engineering requirements, subject to technical review and order volume thresholds.
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