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L-Tryptophan

$ 30.00 /1KG

Min. Order1KG
Purity99%
Cas No73-22-3
Supply Ability10TONS
Update time2021-11-02

Baoji Guokang Healthchem co.,ltd

3YR

China

Chemical Properties

Product Name	L-Tryptophan
CAS No	73-22-3
EC-No
Min. Order	1KG
Purity	99%
Supply Ability	10TONS
Release date	2021/11/02

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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
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

L-Tryptophan

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