ZINC SULPHATE HEPTAHYDRATE
ZINC SULPHATE HEPTAHYDRATE AR/ACS
Short Name: ZINC SULPHATE HEPTAHYDRATE
Synonym: White vitriol; Goslarite
Basic Details
Article No.
LG4856
Grade
AR/ACS
Purity
99.0%
CAS No.
7446-20-0
HS Code
2833.2690
Shelf Life
60 Months
Packings Avialable
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
Chemical 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 & Hazard Symbols
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-P305 + P351 + P338-P501