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LC2833 L-Glutaminesuitable for use as excipient exp DAB,USP |
| Order number | Packaging | Quantity | Price € |
| AC29833 | Plastic bottle | 1 kg | Inquire |
| AC29833 | Plastic bottle | 10 kg | Inquire |
| Product information | |
| Grade | DAB,USP |
| Synonyms | L-Glutamic acid-5-amide |
| Hill Formula | C5H10N2O3 |
| HS Code | 2924 19 00 |
| EC number | 200-292-1 |
| Molar mass | 146.15 g/mol |
| CAS number | 56-85-9 |
| Chemical and physical data | |
| Solubility | 100 g/l (40 °C) |
| Melting point | 185 – 186 °C |
| Molar mass | 146.15 g/mol |
| Bulk density | 640 kg/m3 |
| pH value | 4.0 – 6.0 (25 g/l, H2O, 20 °C) |
| Safety information | |
| RTECS | MA2275100 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Toxicological data | |
| LD 50 oral | LD50 rat 7500 mg/kg |
| Specifications | |
| Assay (perchloric acid titration, calculated on dried substance) | 99.0 – 101.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, fine powder |
| Appearance of solution (25 g/l; CO2-free water) | clear and colorless |
| Spec. rotation – α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance |
+31.5° to +33.0° |
| – α 20/D, 40 g/l, water, calc. on dried substance | +6.3° to +7.3° |
| pH (25 g/l; CO2-free water) | 4.0 – 6.0 |
| Chloride (Cl) | ≤ 0.02 % |
| Sulfate (SO4) | ≤ 0.02 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.001 % |
| NH4 (Ammonium) | ≤ 0.1 % |
| Ninhydrin – positive substances (TLC) | ≤ 0.5 % |
| Residual solvents (Ph. Eur./USP/ICH) | excluded by manufacturing process |
| Organic volatile impurities (according to USP) | conforms |
| Sulfated ash (600 °C) | ≤ 0.1 % |
| Loss on drying (105 °C; 3 h) | ≤ 0.3 % |
| Bacterial endotoxins | ≤ 2.0 I.U./g |
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