laevo-tryptophan
Suppliers  organoleptics  properties  safety  references  cosmetics    Home Page
 
Right Click Picture For More Options. (Safari 1.2 (v125) Compatible).
 
IUPAC name :(2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
InChI :InChI=1/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)/t9-/m0/s1
InChIKey :QIVBCDIJIAJPQS-VIFPVBQEBP
SMILES :C1=CC=C2C(=C1)C(=CN2)C[C@@H](C(=O)O)N
cas number :73-22-3
(EINECS) number :200-795-6
beilstein number :0086197
molar refractivity :57.76 ± 0.3 cm3
parachor :435.3 ± 4.0 cm3
index of refraction :1.697 ± 0.02
surface tension :71.1 ± 3.0 dyne/cm
density :1.362 ± 0.06 g/cm3
polarizability :22.90 ± 0.5 10-24cm3
XlogP : -1.30
molecular weight : 204.2251800
formula :C11 H12 N2 O2
BioActivity Analysis :77648
NMR Predictor :Predict
 
 
export tariff code :2933.90.8300
fda reg :172.320

Suppliers :
Ajinomoto :L-TRYPTOPHAN
USP, EP
Tokyo Chemical Industry :L-Tryptophan
>98.5%(T)

organoleptics :

properties :
appearence :pale yellow to yellow crystalline powder
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
melting point : 284.00 to 287.00 °C. @ 760.00 mm Hg
boiling point : 447.00 to 450.00 °C. @ 760.00 mm Hg
flash point : 435.00  °F.  TCC  ( 223.89 °C. )
logP (o/w) : -1.06

safety :
most important hazard(s) :None - None found.
  S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
Oral Toxicity(LD50) :
  Intraperitoneal-Mouse    4800.00  mg/kg
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 11, Pg. 635, 1980.

Oral-Mouse    15000.00  mg/kg

Intraperitoneal-Rat    1634.00  mg/kg

Oral-Rat    >16000.00  mg/kg

Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
 

safety references :
EPI System :view
ClinicalTrials.gov :search
Daily Med :search
NLM Hazardous Substances Data Bank :search
Chemical Carcinogenesis Research Information System :Search
AIDS Citations :Search
Cancer Citations :Search
Toxicology Citations :Search
Carcinogenic Potency Database :Search
Env. Mutagen Info. Center :Search
NLM Developmental and Reproductive Toxicity :Search
National Toxicology Program :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :1
 
 
 
 (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
(EINECS) number :200-795-6
RTECS :YN6130000 for 73-22-3
chemidplus :000073223
EPA/NOAA CAMEO :hazardous materials
EPA Substance Registry Services :73-22-3
dtp/nci :13119

references :
 (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
NIST Chemistry WebBook :2845161311
pubchem :149244

Cosmetics :
Cosmetic uses : antistatic agents
hair conditioning
masking agents

other :
CosIng :cosmetic data
Dietary Supplements Labels Database : Search
synonyms :
(S)-alpha-amino-1H-indole-3-propanoic acid
(2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
laevo-alpha-amino-3-indole propionic acid
(S)-alpha-aminoindole-3-propionic acid
1-beta-3-indolylalanine
(S)-tryptophan

soluble in :
 water, 13400 mg/L @ 25C

(odor and/or flavor) used in :
 antistatic agents

natural occurrence in :
not found in nature



information only - not sold by The Good Scents Company.



Please share your Information / Comments.

Your email Address:



Top of Page          The Good Scents Company Home

Copyright © 1980-2009 The Good Scents Company Disclaimer Privacy Policy
Html Last modified 08/04/2009