ethyl 2-mercaptopropionate
 
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IUPAC name :ethyl 2-sulfanylpropanoate
InChI :InChI=1/C5H10O2S/c1-3-7-5(6)4(2)8/h4,8H,3H2,1-2H3
InChIKey :LXXNWCFBZHKFPT-UHFFFAOYAY
SMILES :CCOC(=O)C(C)S
cas number :19788-49-9
(EINECS) number :243-314-5
fema number :3279
coe number :11469
jecfa number :552
fl. number :12.046
molar refractivity :34.84 ± 0.3 cm3
parachor :305.0 ± 4.0 cm3
index of refraction :1.452 ± 0.02
surface tension :31.2 ± 3.0 dyne/cm
density :1.040 ± 0.06 g/cm3
polarizability :13.81 ± 0.5 10-24cm3
xlogp : 1.10
molecular weight : 134.1967000
formula :C5 H10 O2 S
 
 
export tariff code :2915.50.3000
fda reg :unspecified

Suppliers :
Endeavour :Ethyl 2-mercaptopropionate
98%
Givaudan :Ethyl 2-mercaptopropionate
≥98%, NI, Kosher
Odor:  Sulphury with Mint notes,fruity (on dilution)
Penta :ethyl 2-mercaptopropionate
Sigma-Aldrich-SAFC :Ethyl 2-mercaptopropionate
≥95%, Kosher
Odor:  grape; meaty; vegetable; alliaceous (onion, garlic)

organoleptics :
odor type :sulfurous
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
sulfury fruity

properties :
appearence :colorless clear liquid
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.03300 to 1.04300 @ 20.00 °C.
pounds per gallon - calc. : 8.606 to 8.689
refractive index :1.44400 to 1.45400 @ 20.00 °C.
boiling point : 40.00 to 41.00 °C. @ 1.00 mm Hg
flash point : 137.00  °F.  TCC  ( 58.33 °C. )
logp : 1.53

safety :
most important hazard(s) :Xi - Irritant
  R 10 - Flammable.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
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 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Oral Toxicity(LD50) :
  Not determined
Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.39 (μg/capita/day)
 
recommendation for ethyl 2-mercaptopropionate usage levels up to :
 not for fragrance use.
recommendation for ethyl 2-mercaptopropionate usage levels up to :
  2.0000 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
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
WISER :UN 1993
 
WGK Germany :3
 
 
 
 ethyl 2-sulfanylpropanoate
(EINECS) number :243-314-5
chemidplus :019788499
EPA Substance Registry Services :19788-49-9

references :
 ethyl 2-sulfanylpropanoate
fl. number :12.046
jecfa number :552
NIST Chemistry WebBook :2486502925
pubchem :204660

other :
VCF-Online: VCF Volatile Compounds in Food
synonyms :
 ethyl 2-mercaptopropanoate
 ethyl 2-sulfanylpropanoate
 ethyl alpha-mercaptopropionate
 ethyl thiolactate
2-mercaptopropanoic acid ethyl ester
2-mercaptopropionic acid ethyl ester

soluble in :
 alcohol

insoluble in :
 water

stability :
 stable in most media

(odor and/or flavor) blends with :
 allyl thiohexanoate
 blackberry thiophenone
 ethyl 2-(methyl dithio) propionate
 ethyl mercaptan
S-ethyl thioacetate
3-mercapto-3-methyl-1-butyl acetate
3-mercaptoheptyl acetate
3-mercaptohexyl butyrate
3-mercaptohexyl hexanoate
3-thiohexanol

(odor and/or flavor) used in :
 fruit
 guava
 passion fruit

natural occurrence in :
found in nature



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