1.08386
EMPROVE® TRIS(Hydroxymethyl)Aminomethane (Trometamol)
Endotoxin Tested, BP, Ph Eur, USP
For general questions please contact our Customer Service:
EMD Millipore
290 Concord Road
01821 Billerica, MA
United States
Phone: 781 533-6000
Fax: +49 6151 72 2000
E-mail: Customer.CareDesk@emdchemicals.com
25 May 2012
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| Product information | |||
|---|---|---|---|
| Grade | BP, Ph Eur, USP | ||
| Synonyms | Tromethamine | ||
| Chemical formula | C4H11NO3 | ||
| Molar mass | 121.14 | ||
| CAS number | 77-86-1 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Molar mass | 121.14 | ||
| Specifications | |
|---|---|
| Assay (acidimetric; calculated on dried substance) | 99.0-100.5% |
| Appearance of solution (5%, water) | Passes test |
| Arsenic (As) | 0.00002% max |
| Chloride (Cl) | 0.001% max |
| Colony count, aerobic bacteria | 100CFU/g max |
| Colony count, yeast and mold | 100CFU/g max |
| Endotoxins | 0.03I.U./mg max |
| Escherichia coli | Absent in 10 g |
| Filtration test (0.45 µm) | Conforms |
| Heavy metals (as Pb) | 0.0010% max |
| Identification A | Passes test |
| Identification B | Passes test |
| Identification C | Passes test |
| Iron (Fe) | 0.0010% max |
| Loss on drying (105°C) | 0.5% max |
| Melting point | 168-172°C |
| Organic volatile impurities (USP/NF) | Conforms |
| Other Residual Solvents (Ph.Eur./ICH) | Excluded by production process |
| pH (5%, water) | 10.0-11.5 |
| pH of a 1% aqueous solution | 10.3-10.7 |
| Pseudomonas Aeruginosa | Absent in 10 g |
| Related substances (TLC) | Conforms |
| Residual solvents (Ph.Eur./ICH) class 3 | 0.5% max |
| Salmonella | Absent in 10 g |
| Staphylococcus Aureus | Absent in 10 g |
| Sulfate (SO4) | 0.005% max |
| Sulfated ash | 0.1% max |
