L-Tryptophan 73-22-3

Product Name: L-Tryptophan
Synonyms: Trytophan (W) Solution, 100ppm;L-Tryptophan, Trp;L-Tryptophan Vetec(TM) reagent grade, >=98%;VWR SURFACE SAMPLING SPONGE WITH NE;L-TRYPTOPHAN (13C11,D8,15N2);L-Tryptophan(pharm grade);L-Trp-OH;L-Tryptophan, Animal-Free
CAS: 73-22-3
MF: C11H12N2O2
MW: 204.23
EINECS: 200-795-6
Chemical Properties
Melting point 289-290 °C (dec.)(lit.)
alpha -31.1 º (c=1, H20)
Boiling point 342.72°C (rough estimate)
density 1.34
refractive index -32 ° (C=1, H2O)
storage temp. 2-8°C
solubility 20% NH3: 0.1 g/mL at 20 °C, clear, colorless
pka 2.46(at 25℃)
form powder
color White to yellow-white
PH 5.5-7.0 (10g/l, H2O, 20℃)
optical activity [α]20/D 31.5±1°, c = 1% in H2O
Water Solubility 11.4 g/L (25 ºC)
Merck 14,9797
BRN 86197
Stability: Stable. Incompatible with strong acids, strong oxidizing agents.