laevo-threonine
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IUPAC name :(2S,3R)-2-amino-3-hydroxybutanoic acid
InChI :InChI=1/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2-,3+/m1/s1
InChIKey :AYFVYJQAPQTCCC-GBXIJSLDBG
SMILES :C[C@H]([C@@H](C(=O)O)N)O
cas number :72-19-5
(EINECS) number :200-774-1
beilstein number :1721646
molar refractivity :27.13 ± 0.3 cm3
parachor :253.6 ± 4.0 cm3
index of refraction :1.507 ± 0.02
surface tension :60.0 ± 3.0 dyne/cm
density :1.307 ± 0.06 g/cm3
polarizability :10.75 ± 0.5 10-24cm3
XlogP : -3.50
molecular weight : 119.1191600
formula :C4 H9 N O3
BioActivity Analysis :546865
NMR Predictor :Predict
 
 
export tariff code :2922.50.5000
fda reg :172.320

Suppliers :
Ajinomoto :L-THREONINE
USP, EP
Penta :laevo-threonine

organoleptics :

properties :
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
melting point : 256.00 to 272.00 °C. @ 760.00 mm Hg
boiling point : 345.00 to 347.00 °C. @ 760.00 mm Hg
flash point : 325.00  °F.  TCC  ( 162.78 °C. )
logP (o/w) : -2.94

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-Rat    3098.00  mg/kg

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

safety in use :
 

safety references :
ClinicalTrials.gov :search
Daily Med :search
AIDS Citations :Search
Cancer Citations :Search
Toxicology Citations :Search
Env. Mutagen Info. Center :Search
NLM Developmental and Reproductive Toxicity :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :1
 
 
 
 (2S,3R)-2-amino-3-hydroxybutanoic acid
(EINECS) number :200-774-1
RTECS :XO8590000 for 72-19-5
chemidplus :000072195
EPA Substance Registry Services :72-19-5
dtp/nci :46701

references :
 (2S,3R)-2-amino-3-hydroxybutanoic acid
NIST Chemistry WebBook :2772928862
pubchem :149226

Cosmetics :
Cosmetic uses : antistatic agents
hair conditioning
hair straightening agents
hair waving agents

other :
CosIng :cosmetic data
Dietary Supplements Labels Database : Search
Household Products : Search
synonyms :
(2S,3R)-2-amino-3-hydroxybutanoic acid
(R-(R*,S*))-2-amino-3-hydroxybutanoic acid
(S)-threonine

soluble in :
 water, 97000 mg/L @ 25C

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

natural occurrence in :
not found in nature



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