Packings
06555
Article No. 06555
Purity 99%
Molecular Formula ZnSO4.7H2O
H.S. Code 2833.2990
Grade AR/ACS
CAS No. 7446-20-0
Molecular Weight 287.54
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 4 - 6
Melting point/ Freezing point [°C] 100°C Density [g/cm3] 1.97
Solubility in water [% weight] Soluble in water

Specifications

Appearance White crystalline powder Assay (complexometric) 99.0-103.0%
Insoluble matter (10% in water) Max 0.01% pH pH 4.4 - 6.0
Chloride (Cl) Max 0.0005% Calcium (Ca) Max 0.005%
Iron (Fe) Max 0.001% Potassium (K) Max 0.01%
Magnesium (Mg) Max 0.005% Sodium (Na) Max 0.05%
Ammonium (NH4) Max 0.001% Nitrate (NO3) Max 0.002%
Manganese (Mn) Max 0.0003% Lead (Pb) Max 0.003%

Safety Information and Hazard Symbols

Corrosion Exclamation Mark Environment          

Symbol: GHS05, GHS07, GHS09
Signal Word: Danger
UN No.: 3077
IMCO Class No.: 9
Packing Group: III
Hazardous Statement: H302-H318-H410
Precaution Statement: P273-P280-P301+P312-P305+P351+P338-P501