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Zinc Sulphate Monohydrate

Origin: China
CAS Number: 7446-19-7
HS Code: 2833.29.30

Basic Info

IUPAC Name: zinc sulfate monohydrate
Molecular Formula: ZnSO4·H2O
Synonyms & Trade Names: Zinc sulfate monohydrate; White vitriol (monohydrate); ZnSO4.H2O
Purity / Assay (%): 35.5% Zn min
Grade / Quality Level: Technical Grade
Physical Form: Solid

Concentration: Pure substance
Appearance / Color: White to off-white solid
Odor: Odorless
Melting Point (°C): 238.0000
Density (g/cm³): 3.2800
Solubility in Water: Freely soluble
Signal Word: Danger
UN Number: 3077
GHS Hazard Class: Acute toxic; Eye corrosive; Aquatic hazard
H-Statements: H302|H318|H400|H410
P-Statements: P260|P264|P270|P273|P280|P301+P312|P305+P351+P338
REACH Status: Registered
Drug Precursor Status: Non-precursor
Storage Class (GHS): 6.1
Storage Conditions: Cool, dry place; avoid contact with skin
Industry Usage Tags: Etching agent

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Technical Document

Brief Overview
Zinc sulphate monohydrate is an inorganic compound with the chemical formula ZnSO₄·H₂O. Zinc sulphate occurs in three types of hydrate. Zinc sulphate is listed on the World Health Organization’s List of Essential Medicines. The monohydrate exists as the gunningite mineral in nature.

Manufacturing Process The main raw material of zinc sulphate monohydrate production is sulphuric acid. Sulphuric acid is manufactured by oxidising sulphur dioxide gas to sulphur trioxide. Sulphur trioxide is then hydrated to get sulphuric acid. Zinc sulphate is prepared from reaction of sulphuric acid and zinc oxide.