Home Categories Biochemical Engineering L-Tryptophan
A7765212

L-Tryptophan , Non-animal source, EP, JP, USP; for cell culture, 99.0-101.0% , 73-22-3

Synonym(s):
L-Tryptophan;Trp;(S)-(-)-Tryptophan;L-α-Amino-3-indolepropionic acid;L-Tryptophan

CAS NO.:73-22-3

Empirical Formula: C11H12N2O2

Molecular Weight: 204.23

MDL number: MFCD00064340

EINECS: 200-795-6

Pack Size Price Stock Quantity
25G RMB47.20 In Stock
100G RMB103.20 In Stock
500g RMB375.20 In Stock
1KG RMB607.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 289-290 °C (dec.)(lit.)
Boiling point: 342.72°C (rough estimate)
alpha  -31.1 º (c=1, H20)
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
form  powder
pka 2.46(at 25℃)
color  White to yellow-white
PH 5.5-7.0 (10g/l, H2O, 20℃)
Odor wh. cryst. or cryst. odorless powd., sl. bitter taste
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.
InChIKey QIVBCDIJIAJPQS-VIFPVBQESA-N
LogP 0.704 (est)

Description and Uses

adrenergic agonist

Safety

Symbol(GHS) 
GHS05,GHS02
Signal word  Danger
Hazard statements  H314-H225-H290
Precautionary statements  P501-P240-P210-P233-P234-P243-P241-P242-P264-P280-P370+P378-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P403+P235-P406-P405
Hazard Codes  Xi
Risk Statements  33-40-62-41-37/38-36/37/38-22
Safety Statements  24/25-36/37/39-36-26
WGK Germany  2
RTECS  YN6130000
8
TSCA  Yes
HS Code  29339990
Toxicity LD508mmol / kg (rat, intraperitoneal injection). It is safe when used in food (FDA, §172.320, 2000).

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