1.00803
EMPROVE® L(+)-Tartaric Acid
Powder, BP, NF, Ph Eur, E334
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
20 May 2013
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| Product information | |||
|---|---|---|---|
| Grade | BP, NF, Ph Eur | ||
| Synonyms | 2,3-Dihydroxybutanedioic Acid | ||
| Chemical formula | HOOC(CHOH)2COOH | ||
| Molar mass | 150.09 | ||
| CAS number | 87-69-4 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Molar mass | 150.09 | ||
| Specifications | |
|---|---|
| Assay (acidimetric; calculated on dried substance) | 99.7% min |
| Appearance | White, fine powder |
| Appearance of solution (10%, water) | Clear to almost clear |
| Arsenic (As) | 1ppm max |
| Calcium (Ca) | 0.0200% max |
| Calcium (Ca) | Conforms |
| Chloride (Cl) | 0.0100% max |
| Heavy metals (as Pb) | 0.0010% max |
| Identity | Passes test |
| Lead (Pb) | 0.0005% max |
| Loss on drying (105°C) | 0.2% max |
| Mercury (Hg) | 0.0001% max |
| Organic volatile impurities (USP/NF) | Excluded by manufacturing process |
| Oxalates (as C2H2O4) | 0.01% max |
| Oxalic acid (C2H2O4) | Conforms |
| Residual Solvents (Ph.Eur./USP/ICH) | excluded by manufacturing process |
| Specific rotation [a]20/D (20%, water) | +12.0-+12.8° |
| Sulfate (SO4) | 0.0150% max |
| Sulfated ash (600°C) | 0.05% max |
