Food Grade Zinc Sulfate Heptahydrate

Basic Product Parameters

Chemical name: Zinc Sulfate heptahydrate Molecular formula: ZnSO₄·7H₂O Molecular weight: 287.50 CAS registry number: 7446-20-0

Physical & Chemical Properties

This product presents as colorless transparent prismatic or acicular crystals, or granular crystalline powder with no odor. It has a relative density of 1.957 and a melting point of 100℃. The product features stable solubility performance: fully soluble in water, forming acidic aqueous solution; slightly soluble in ethanol and glycerol. Slow efflorescence occurs under room temperature and dry air conditions.

Industrial & Food Grade Applications

Qualified as food-grade zinc fortifier and food processing aid, the product is applicable for standardized addition in multiple food processing scenarios. Its approved application coverage includes dairy products, infant formula foods, liquid milk beverages, cereal and cereal-based products, edible salt, carbonated and non-carbonated soft drinks, maternal nutritional formula, cocoa powder, and flavored solid nutritional beverages.

Standard Packaging Specification

The product adopts double-layer sealed packaging for stable storage and transportation. The inner layer is a food-grade polyethylene lining bag, and the outer layer is a reinforced composite plastic woven bag. The standard net weight of each finished package is 25kg, with uniform packaging specifications for bulk order shipment.

Storage & Transportation Requirements

Warehouse storage requires dry, ventilated and ambient temperature conditions. During full-course transportation, the product shall be kept away from high-temperature sources and humid environments. Manual and mechanical unloading shall be operated gently to prevent package breakage and product leakage. Separate storage and transportation from all toxic chemicals and hazardous substances is mandatory to avoid cross-contamination.