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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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