laevo-pyroglutamic acid
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IUPAC name :(2S)-5-oxopyrrolidine-2-carboxylic acid
InChI :InChI=1/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1/f/h6,8H
InChIKey :ODHCTXKNWHHXJC-UHFFFAOYAO
SMILES :C1CC(=O)N[C@@H]1C(=O)O
cas number :98-79-3
(EINECS) number :202-700-3
beilstein number :0082132
fl. number :14.162
XlogP : -3.00
molecular weight : 129.1139800
formula :C5 H7 N O3
BioActivity Analysis :75314
NMR Predictor :Predict
 
 
export tariff code :2933.79.5000
fda reg :unspecified

Suppliers :
Penta :l-pyroglutamic acid

organoleptics :

properties :
appearence :white crystalline powder
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
melting point : 184.00 to 185.00 °C. @ 760.00 mm Hg
flash point : 440.00  °F.  TCC  ( 226.67 °C. )
logP (o/w) : -0.72

safety :
most important hazard(s) :Xi - Irritant
  R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
Oral Toxicity(LD50) :
  Oral-Rat    >1000.00  mg/kg

Dermal Toxicity(LD50) :
  Subcutaneous-Rat  >2000.00  mg/kg

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
 
recommendation for laevo-pyroglutamic acid usage levels up to :
 not for fragrance use.

safety references :
EPI System :view
Cancer Citations :Search
Toxicology Citations :Search
NLM Developmental and Reproductive Toxicity :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :3
 
 
 
 (2S)-5-oxopyrrolidine-2-carboxylic acid
(EINECS) number :202-700-3
RTECS :TW3710000 for 98-79-3
chemidplus :000098793
EPA Substance Registry Services :98-79-3
dtp/nci :9966

references :
 (2S)-5-oxopyrrolidine-2-carboxylic acid
fl. number :14.162
NIST Chemistry WebBook :98793
pubchem :150470

Cosmetics :
Cosmetic uses : humectants
moisturising agents

other :
CosIng :cosmetic data
synonyms :
laevo-glutamic acid gamma-lactam
 pca
 pidolic acid
(2S)-5-oxopyrrolidine-2-carboxylic acid
(5S)-2-oxopyrrolidine-5-carboxylic acid
(S)-(-)-2-pyrrolidone-5-carboxylic acid
2-laevo-pyrrolidone-5-carboxylic acid

soluble in :
 water, 476000 mg/L @ 13C

(odor and/or flavor) used in :
 humectants
 moisturising agents

natural occurrence in :
not found in nature



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