Product Specification
Material
Material description
Grade
29158.294
Zinc sulphate heptahydrate
Ph.Eur./USP
CAS Number
Molecular formula
Molecular mass
7446-20-0
ZnSO4·7H2O
287.56
Additional information
Characteristics
Specifications
Assay
Appearance
Identification A
Identification B
Solution S
Appearance of solution
Acidity
pH (5 %)
Alkalies and alkaline earths
Cl (Chloride)
As (Arsenic)
Fe (Iron)
Pb (Lead)
Residual solvents
Conforms to Ph.Eur./USP
99.0 --> 104.0 %
White crystalline powder
Passes test
Passes test
Passes test
Passes test
Passes test
4.4 --> 5.6
Max. 0.9 %
Max. 300 ppm
Max. 14 ppm
Max. 100 ppm
Max. 20 ppm
Unlikely by manuf.process
Passes test
Signature
Additional information
We certify that this batch conforms to the specifications listed
above.
Not for use as Active Pharmaceutical Ingredient (API)
This document has been produced electronically and is valid
without a signature.
Wendy Mathues, Head of Laboratory - Haasrode
VWR International bvba; Geldenaaksebaan 464; BE-3001
Leuven; Belgium
VWR International LLC, Radnor Corporate Center, Building One, Suite 200, 100 Matsonford Road, Radnor, PA 19087, USA
VWR International bvba, Haasrode Research Park Zone 2020, Geldenaaksebaan 464, 3001 Leuven, Belgium
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