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LC2832 L-Glutaminefor biochemistry |
Order number | Packaging | Quantity | Price € |
AC29832 | Plastic bottle | 25 g | 15.66 |
AC29832 | Plastic bottle | 100 g | 35.33 |
AC29832 | Plastic bottle | 1 kg | 269.1 |
AC29832 | Plastic drum | 10 kg | Inquire |
Product information | |
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 % |
Identity (IR-spectrum) | passes test |
Appearance | White, crystalline powder or colorless crystals. |
Appearance of solution (1 mol/l, hydrochloric acid 1 mol/l) | Clear and colorless. |
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) | +32.3° to +33.3° |
UV-Absorption – 260 nm, 1 mol/l, 1 cm, hydrochloric acid 1 mol/l |
≤ 0.2 |
– 280 nm, 1 mol/l, 1 cm, hydrochloric acid 1 mol/l | ≤ 0.02 |
Chloride (Cl) | ≤ 0.02 % |
Sulfate (SO4) | ≤ 0.01 % |
Heavy metals (as Pb) | ≤ 0.001 % |
As (Arsenic) | ≤ 0.0005 % |
Ca (Calcium) | ≤ 0.001 % |
Co (Cobalt) | ≤ 0.0005 % |
Fe (Iron) | ≤ 0.0005 % |
K (Potassium) | ≤ 0.0005 % |
Mg (Magnesium) | ≤ 0.0005 % |
Na (Sodium) | ≤ 0.005 % |
NH4 (Ammonium) | ≤ 0.1 % |
Zn (Zinc) | ≤ 0.0005 % |
Foreign amino acids | ≤ 0.3 % |
Other ninhydrine positive substances | ≤ 0.2 % |
Loss on drying (105 °C; 3 h) | ≤ 0.3 % |
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