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.2ppm
Calcium(Ca)Max.0.005%
Cadmium(Cd)Max.2ppm
Iron(Fe)Max.10ppm
Mercury(Hg)Max.2ppm
Potassium(K)Max.0.01%
Magnesium(Mg)Max.0.005%
Sodium(Na)Max.0.01%
Lead(Pb)Max.4ppm
Selenium(Se)Max.0.001%
Chloride(Cl)Max.50ppm
Appearanceofthesolutioncomplying
Alkalis/earthalkalis(asSO4)Max.0.5%
Aciditycomplying
Residualsolventscomplying

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)
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNo data available
pH-Value4.4-5.6 (20 °C) (as aqueous solution)
Storage TemperatureAmbient

Safety Information

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