66142
Burdick & Jackson

Zinc sulfate heptahydrate

SKU
66142
Extra pure, meets analytical specifications of Reagent European Pharmacopoeia, BP, USP, FCC
Brand
Burdick & Jackson
CAS Numbers (All) EC Number Linear Formula
ZnSO4 · 7 H2O
MDL Number
Molar Mass
287.56 g/mol

Documents

Specifications

PropertyValue
Assay99.0 - 103.0 %
pH (5 %, 20°C)4.4 - 5.6
Arsenic (As)max. 2 ppm
Calcium (Ca)max. 0.005 %
Cadmium (Cd)max. 2 ppm
Iron (Fe)max. 10 ppm
Mercury (Hg)max. 2 ppm
Potassium (K)max. 0.01 %
Magnesium (Mg)max. 0.005 %
Sodium (Na)max. 0.01 %
Lead (Pb)max. 4 ppm
Selenium (Se)max. 0.001 %
Chloride (Cl)max. 50 ppm
Appearance of the solutioncomplying
Alkalis/earth alkalis (as SO4)max. 0.5 %
Aciditycomplying
Residual solventscomplying

Properties

PropertyValue
Boiling Point/RangeNo data available
ColorColorless
Density1.96 g/cm3 (20 °C)
FlashpointNot applicable
FormCrystalline
GradeReagent Pharmacopeia Salts
Incompatible MaterialsNone known
Lower Explosion LimitNot applicable
Melting Point/Range100 °C
Partition CoefficientNo data available
Solubility in Water965 g/l (20 °C)
Storage TemperatureAmbient
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNo data available
pH-Value4.4-5.6 (20 °C) (as aqueous solution)

Safety Information

PropertyValue
Hazard ClassN/A
Package GroupN/A
UN IDN/A
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