1.08486
EMPROVE® exp Ph Eur, BP, JP, USP Urea
cryst., 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
22 May 2013
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| Product information | |||
|---|---|---|---|
| Grade | BP, Ph Eur, USP | ||
| Synonyms | Carbamide | ||
| Chemical formula | H2NCONH2 | ||
| Molar mass | 60.06 | ||
| CAS number | 57-13-6 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Merck USA index | 13 9935 | ||
| Molar mass | 60.06 | ||
| Specifications | |
|---|---|
| Assay (dried) | 99.0-101.0% |
| Assay (ex N) | 99.0-100.5% |
| Alkaline reacting substances | Passes Test |
| Ammonium (NH4) | 0.0500% max |
| Appearance | Colorless crystals or white crystalline powder |
| Appearance of solution (5%, water) | Passes test |
| Biuret | 0.1% max |
| Chloride (Cl) | 0.007% max |
| Heavy metals (as Pb) | 0.0010% max |
| Identity | Passes test |
| Insoluble in ethanol (96%) | 0.04% max |
| Loss on drying (105°C) | 1.0% max |
| Melting point (DSC differential scan calorimetry) | 132.5-134.5°C |
| Residual Solvents (Ph.Eur./USP/ICH) | Excluded by manufacturing process |
| Sulfate (SO4) | 0.010% max |
| Sulfated ash (600°C) | 0.10% max |
