1.08421
EMPROVE® exp Ph Eur, BP, JP, USP Titriplex® III (ethylenedinitrilotetraacetic acid disodium salt dihydrate)
suitable for use as excipient
For general questions please contact our Customer Service:
EMD Millipore
290 Concord Road
01821 Billerica, MA
United States
Phone: 800-645-5476
Fax: 800-645-5439
E-mail: Customer.CareDesk@emdchemicals.com
19 June 2013
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| Product information | |||
|---|---|---|---|
| Grade | BP, JP, Ph Eur, USP | ||
| Synonyms | (Ethylenendinitrilo)tetraacetic Acid, Disodium Salt, Dihydrate | ||
| Chemical formula | C10H14N2Na2O8·2H2O | ||
| Molar mass | 372.24 | ||
| CAS number | 6381-92-6 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Molar mass | 372.24 | ||
| Specifications | |
|---|---|
| Assay complexometric;calculated on dried substance | 99.0-101.0% |
| Appearance | White crystalline powder |
| Appearance of solution (50g/l; water) | Passes |
| Arsenic (As) | 0.0001% max |
| Calcium (Ca) | Conforms |
| Cyanide (CN) | 0.0001% max |
| Heavy metals (as Pb) | 0.001% max |
| Identity (Complexation) | Conforms |
| Identity (IR) | Conforms |
| Identity (Sodium) | Conforms |
| Iron (Fe) | 0.0005% max |
| Loss on drying [150°, 6 hr) | 11.4% max |
| Methanol (HS-GC) | 3000ppm max |
| Nitrilotriacetic acid (HPLC) | 0.1% max |
| Other residual solvents (Ph.Eur/USP/ICH) | excluded by production process |
| pH-value (10g/L, water) | 4.3-4.7 |
| pH-value (50g/L; water) | 4.0-5.5 |
| Sulfated Ash (500°C) | 37.0-39.0% |
