dextro,laevo-methionine
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IUPAC name :2-amino-4-methylsulfanylbutanoic acid
InChI :InChI=1/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)
InChIKey :FFEARJCKVFRZRR-UHFFFAOYAP
SMILES :CSCCC(C(=O)O)N
cas number :59-51-8
(EINECS) number :200-432-1
beilstein number :0636185
fema number :3301
coe number :569
jecfa number :1424
fl. number :17.014
molar refractivity :38.26 ± 0.3 cm3
parachor :329.9 ± 4.0 cm3
index of refraction :1.530 ± 0.02
surface tension :50.5 ± 3.0 dyne/cm
density :1.206 ± 0.06 g/cm3
polarizability :15.17 ± 0.5 10-24cm3
XlogP : -1.90
molecular weight : 149.2113400 (IUPAC)
formula :C5 H11 N O2 S
BioActivity Analysis :74759
NMR Predictor :Predict
 
 
export tariff code :2915.60.0000
fda reg :172.320

Suppliers :
Penta :dextro,laevo-methionine
Sigma-Aldrich-SAFC :DL-Methionine
≥98.5%, FCC

organoleptics :
odor type :acidic
odor strength :none
odor description:
at 100.00 %.  
acidic

properties :
appearence :white crystalline powder
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :Yes
melting point : 280.00 to 281.00 °C. @ 760.00 mm Hg
boiling point : 300.00 to 301.00 °C. @ 760.00 mm Hg
flash point :> 212.00  °F.  TCC  ( > 100.00 °C. )
logP (o/w) : -2.41

safety :
Oral Toxicity(LD50) :
  Oral-Rat    >5000.00  mg/kg

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

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :83.00 (μg/capita/day)
 
recommendation for dextro,laevo-methionine fragrance usage levels up to :
 not for fragrance use.
recommendation for dextro,laevo-methionine flavor usage levels up to :
  50.0000 ppm in the flavor.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
NIOSH International Chemical Safety Cards :search
Chemical Carcinogenesis Research Information System :Search
Carcinogenic Potency Database :Search
EPA GENetic TOXicology :Search
Env. Mutagen Info. Center :Search
NLM Developmental and Reproductive Toxicity :Search
 
WGK Germany :1
 
 
 
 
2-amino-4-methylsulfanylbutanoic acid
(EINECS) number :200-432-1
RTECS :59-51-8
chemidplus :000059518
EPA Substance Registry Services :59-51-8
dtp/nci :9241

references :
 
2-amino-4-methylsulfanylbutanoic acid
fl. number :17.014
jecfa number :1424
NIST Chemistry WebBook :59518
pubchem :148912

Cosmetics :
Cosmetic uses : antistatic agents
hair conditioning
skin conditioning

other :
CosIng :cosmetic data
FDA Everything Added to Food in the United States (EAFUS)View
synonyms :
 acimetion
dextro,laevo-2-amino-4-(methyl thio) butanoic acid
dextro,laevo-2-amino-4-(methyl thio) butyric acid
2-amino-4-methyl sulfanyl butanoic acid
dextro,laevo-2-amino-4-methyl thiobutanoic acid
2-amino-4-methylsulfanylbutanoic acid
alpha-amino-gamma-(methyl thio) butyric acid
alpha-amino-gamma-methyl mercaptobutyric acid
alpha-amino-gamma-methyl thiobutyric acid
 banthionine
 lobamine
(±)-methionine
 racemethionine

soluble in :
 alcohol
 water, 32700 mg/L @ 25C

potential uses :
 antistatic agents
 hair conditioning
 skin conditioning

natural occurrence in :
 not found in nature  



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