laevo-asparagine
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IUPAC name :(2S)-2,4-diamino-4-oxobutanoic acid
InChI :InChI=1/C4H8N2O3/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H2,6,7)(H,8,9)/t2-/m0/s1
InChIKey :DCXYFEDJOCDNAF-REOHCLBHBD
SMILES :C([C@@H](C(=O)O)N)C(=O)N
cas number :70-47-3
(EINECS) number :200-735-9
beilstein number :1723527
coe number :516
molar refractivity :27.35 ± 0.5 cm3
parachor :240.1 ± 8.0 cm3
index of refraction :1.581 ± 0.05
surface tension :73.1 ± 7.0 dyne/cm
density :1.60 ± 0.1 g/cm3
polarizability :10.84 ± 0.5 10-24cm3
XlogP3 : -3.40
molecular weight : 132.1179200 (IUPAC)
formula :C4 H8 N2 O3
BioActivity Analysis :121087
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :172.320

Suppliers :
Nanjing :L-(+)-Asparagine anhydrous
Penta :laevo-asparagine monohydrate
Pfaltz & Bauer :L-Asparagine
Sigma-Aldrich-Aldrich :L-Asparagine
99%

organoleptics :
odor strength :none
odor description :
at 100.00 %.  
odorless

properties :
appearence :white crystalline powder
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
melting point : 234.00 to 235.00 °C. @ 760.00 mm Hg
flash point :not determined
logP (o/w) : -3.82

safety :
most important hazard(s) :None - None found.
  S 02 - Keep out of the reach of children.
S 22 - Do not breath dust.
S 24/25 - Avoid contact with skin and eyes.
Oral Toxicity(LD50) :
  Not determined
Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

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

safety references :
ClinicalTrials.gov :search
Daily Med :search
NLM Hazardous Substances Data Bank :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)-2,4-diamino-4-oxobutanoic acid
(EINECS) number :200-735-9
chemidplus :000070473
EPA Substance Registry Services :70-47-3
dtp/nci :82391

references :
 (2S)-2,4-diamino-4-oxobutanoic acid
NIST Chemistry WebBook :0070473
pubchem :149195

Cosmetics :
Cosmetic uses : antistatic agents
hair conditioning
masking agents
skin conditioning

other :
CosIng :cosmetic data
Dietary Supplements Labels Database : Search
FDA Everything Added to Food in the United States (EAFUS)View
synonyms :
laevo-alpha-aminosuccinamic acid
(S)-asparagine
 aspartamic acid
(S)-2,4-diamino-4-oxobutanoic acid
laevo-2,4-diamino-4-oxobutanoic acid

soluble in :
 water, 29400 mg/L @ 25C

insoluble in :
 alcohol

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

natural occurrence in :
not found in nature



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Html Last modified 08/28/2009