- 108374
1.08374
L-Tryptophan
for biochemistry
Recommended Products
Nivel de calidad
formulario
solid
potencia
16000 mg/kg LD50, oral (Rat)
pH
5.5-7.0 (20 °C, 10 g/L in H2O)
mp
290 °C (decomposition)
solubilidad
10 g/L
densidad aparente
400 kg/m3
temp. de almacenamiento
2-30°C
InChI
1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)
InChI key
QIVBCDIJIAJPQS-UHFFFAOYSA-N
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This Item | 8.16017 | T8941 | 1700501 |
|---|---|---|---|
| form solid | form solid | form powder | form - |
| mp 290 °C (decomposition) | mp 290 °C (decomposition) | mp 280-285 °C (dec.) (lit.) | mp 280-285 °C (dec.) (lit.) |
| solubility 10 g/L | solubility 10 g/L | solubility 1 M HCl: 10 mg/mL | solubility - |
| storage temp. 2-30°C | storage temp. 2-30°C | storage temp. - | storage temp. - |
| Quality Level 100 | Quality Level 200 | Quality Level 300 | Quality Level - |
| potency 16000 mg/kg LD50, oral (Rat) | potency 16000 mg/kg LD50, oral (Rat) | potency - | potency - |
Nota de análisis
Identity (IR-spectrum): passes test
Identity (specific rotation): passes test
Spec. rotation (α 20/D, 10 g/l, water, calc. on dried substance): -30.0 to -33.0
Appearance: white to almost white, crystalline or amorphous powder
Appearance of solution (10 g/l, Hydrochloric acid 1 mol/l): clear and colorless
Chloride (Cl): ≤ 200 ppm
Sulfate (SO₄): ≤ 300 ppm
Fe (Iron): ≤ 20 ppm
Ninhydrin-positive substances (LC)(any ninhydrin-positive impurity): ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)): ≤ 0.02 %
Ninhydrin-positive substances (LC)(total impurities): ≤ 0.5 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %
Código de clase de almacenamiento
13 - Non Combustible Solids
WGK
WGK 1
Punto de inflamabilidad F
Not applicable
Punto de inflamabilidad C
Not applicable
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