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Postion:Product Catalog >Biochemical Engineering>Amino Acids and proteins>L-Tryptophan
L-Tryptophan
  • L-Tryptophan

L-Tryptophan

Price $30
Package 1KG
Min. Order: 1KG
Supply Ability: 10TONS
Update Time: 2021-11-02

Product Details

Product Name: L-Tryptophan CAS No.: 73-22-3
Min. Order: 1KG Purity: 99%
Supply Ability: 10TONS Release date: 2021/11/02
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. Store at RT.
solubility 20% NH3: 0.1 g/mL at 20 °C, clear, colorless
pka2.46(at 25℃)
form powder
color White to yellow-white
PH5.5-7.0 (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


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