1.08881
EMPROVE® Ph Eur, BP, JP, USP, FCC Zinc sulfate heptahydrate
suitable for use as excipient
For general questions please contact our Customer Service:
EMD Millipore
290 Concord Road
01821 Billerica, MA
United States
Phone: 781 533-6000
Fax: 800-645-5439
E-mail: Customer.CareDesk@emdchemicals.com
25 May 2013
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| Product information | |||
|---|---|---|---|
| Grade | BP, FCC, JP, Ph Eur, USP | ||
| Synonyms | Zinc Vitriol | ||
| Chemical formula | ZnSO4·7H2O | ||
| Molar mass | 287.56 | ||
| CAS number | 7446-20-0 | ||
| Comments | Product Change Notification | ||
| Chemical and physical data | |||
|---|---|---|---|
| Molar mass | 287.56 | ||
| Specifications | |
|---|---|
| Assay (complexometric) | 99.0-102.0% |
| Alkali and Alkaline Earth Metals (as Sulphate) | 0.5% max |
| Appearance of solution | Conforms |
| Arsenic (As) | 0.0003% max |
| Cadmium (Cd) | 0.0002% max |
| Calcium (Ca) | 0.005% max |
| Chloride (Cl) | 0.0005% max |
| Copper (Cu) | 0.001% max |
| Free acid | Conforms |
| Identification | Conforms |
| Iron (Fe) | 0.001% max |
| Lead (Pb) | 0.0004% max |
| Magnesium (Mg) | 0.005% max |
| Mercury (Hg) | 0.0005% max |
| pH (5%, water) | 4.4-5.6 |
| Residual Solvents (Ph.Eur./ICH) | Excluded by manufacturing process |
| Selenium (Se) | 0.003% max |
