Ethyl 2-mercaptopropionate

Overview IFRA Request a quote

  • Identifiers

    CAS number
    19788-49-9

    Molecular formula
    C5H10O2S

    SMILES
    CCOC(=O)C(C)S

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Fruity 86.7%
    Sulfurous 82.27%
    Tropical 71.28%
    Meaty 67.07%
    Onion 47.02%
    Roasted 46.66%
    Green 40.96%
    Savory 38.43%
    Alliaceous 35.58%
    Black currant 34.32%

    Scent© AI

  • Properties

    XLogP3-AA
    1.2

    Molecular weight
    134.2 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Boiling point est.
    164°C

    Flash point est.
    42.02 ˚C

  • Synonyms

    • Ethyl 2-mercaptopropionate
    • 19788-49-9
    • Ethyl 2-mercaptopropanoate
    • Ethyl 2-sulfanylpropanoate
    • Propanoic acid, 2-mercapto-, ethyl ester
    • 2-Mercaptopropionic Acid Ethyl Ester
    • Propionic acid, 2-mercapto-, ethyl ester
    • FEMA No. 3279
    • Ethyl alpha-mercaptopropionate
    • EINECS 243-314-5
    • UNII-3I8OLS586D
    • 3I8OLS586D
    • Ethyl 2-thiolpropanoate
    • LXXNWCFBZHKFPT-UHFFFAOYSA-
    • DTXSID20864904
    • 2-Mercaptopropionic acid, ethyl ester
    • ETHYL .ALPHA.-MERCAPTOPROPIONATE
    • ETHYL 2-MERCAPTOPROPIONATE [FHFI]
    • (+/-)-2-MERCAPTOPROPIONIC ACID ETHYL ESTER
    • ETHYL2-MERCAPTOPROPIONATE
    • MFCD00040233
    • ethyl mercaptopropionate
    • Ethyl2-mercaptopropanoate
    • ethyl 2-sulanylpropanoate
    • ethyl 2-sulfanylpropionate
    • SCHEMBL1172124
    • DTXCID20813371
    • ETHYL-2-MERCAPTOPROPIONATE
    • CHEBI:173549
    • AKOS005207189
    • BS-15879
    • Ethyl 2-mercaptopropionate, >=95%, FG
    • DB-003645
    • M1037
    • NS00047699
    • D81899
    • EN300-102992
    • Q27257247
    • 243-314-5

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 860.75
    methanol 1560.06
    isopropanol 622.07
    water 37.2
    ethyl acetate 465.89
    n-propanol 571.56
    acetone 1164.42
    n-butanol 505.94
    acetonitrile 990.47
    DMF 1421.82
    toluene 195.64
    isobutanol 456.61
    1,4-dioxane 853.68
    methyl acetate 646.78
    THF 808.25
    2-butanone 743.38
    n-pentanol 467.66
    sec-butanol 563.49
    n-hexane 83.93
    ethylene glycol 377.4
    NMP 1070.27
    cyclohexane 70.8
    DMSO 1351.28
    n-butyl acetate 340.63
    n-octanol 272.22
    chloroform 1263.55
    n-propyl acetate 407.44
    acetic acid 1154.36
    dichloromethane 1198.71
    cyclohexanone 763.54
    propylene glycol 342.11
    isopropyl acetate 305.0
    DMAc 1125.22
    2-ethoxyethanol 798.63
    isopentanol 439.93
    n-heptane 42.98
    ethyl formate 472.35
    1,2-dichloroethane 714.8
    n-hexanol 332.1
    2-methoxyethanol 1134.25
    isobutyl acetate 255.08
    tetrachloromethane 230.85
    n-pentyl acetate 303.55
    transcutol 1166.08
    n-heptanol 205.9
    ethylbenzene 168.47
    MIBK 334.91
    2-propoxyethanol 622.22
    tert-butanol 699.64
    MTBE 538.24
    2-butoxyethanol 410.11
    propionic acid 555.34
    o-xylene 194.15
    formic acid 613.44
    diethyl ether 453.97
    m-xylene 171.13
    p-xylene 256.27
    chlorobenzene 374.59
    dimethyl carbonate 209.52
    n-octane 31.02
    formamide 603.35
    cyclopentanone 947.63
    2-pentanone 534.4
    anisole 386.48
    cyclopentyl methyl ether 381.3
    gamma-butyrolactone 911.69
    1-methoxy-2-propanol 686.03
    pyridine 581.45
    3-pentanone 440.22
    furfural 977.23
    n-dodecane 30.84
    diethylene glycol 584.83
    diisopropyl ether 159.1
    tert-amyl alcohol 624.4
    acetylacetone 652.57
    n-hexadecane 33.8
    acetophenone 433.62
    methyl propionate 402.66
    isopentyl acetate 294.11
    trichloroethylene 1333.13
    n-nonanol 211.33
    cyclohexanol 420.63
    benzyl alcohol 397.97
    2-ethylhexanol 195.56
    isooctanol 175.63
    dipropyl ether 201.43
    1,2-dichlorobenzene 381.19
    ethyl lactate 227.85
    propylene carbonate 480.05
    n-methylformamide 759.3
    2-pentanol 372.0
    n-pentane 79.7
    1-propoxy-2-propanol 366.37
    1-methoxy-2-propyl acetate 295.52
    2-(2-methoxypropoxy) propanol 341.86
    mesitylene 129.37
    ε-caprolactone 637.75
    p-cymene 115.2
    epichlorohydrin 873.72
    1,1,1-trichloroethane 653.28
    2-aminoethanol 468.25
    morpholine-4-carbaldehyde 993.85
    sulfolane 1086.41
    2,2,4-trimethylpentane 57.4
    2-methyltetrahydrofuran 649.9
    n-hexyl acetate 437.69
    isooctane 39.28
    2-(2-butoxyethoxy)ethanol 447.31
    sec-butyl acetate 259.75
    tert-butyl acetate 360.46
    decalin 56.89
    glycerin 485.32
    diglyme 825.92
    acrylic acid 606.27
    isopropyl myristate 156.36
    n-butyric acid 577.43
    acetyl acetate 379.01
    di(2-ethylhexyl) phthalate 165.09
    ethyl propionate 312.35
    nitromethane 1639.29
    1,2-diethoxyethane 413.98
    benzonitrile 523.21
    trioctyl phosphate 128.64
    1-bromopropane 409.3
    gamma-valerolactone 1046.1
    n-decanol 151.35
    triethyl phosphate 146.52
    4-methyl-2-pentanol 220.98
    propionitrile 556.37
    vinylene carbonate 513.24
    1,1,2-trichlorotrifluoroethane 773.54
    DMS 337.54
    cumene 142.93
    2-octanol 187.24
    2-hexanone 458.91
    octyl acetate 202.31
    limonene 152.05
    1,2-dimethoxyethane 1054.18
    ethyl orthosilicate 142.72
    tributyl phosphate 157.21
    diacetone alcohol 421.61
    N,N-dimethylaniline 309.82
    acrylonitrile 758.56
    aniline 303.99
    1,3-propanediol 587.55
    bromobenzene 368.32
    dibromomethane 762.21
    1,1,2,2-tetrachloroethane 1022.8
    2-methyl-cyclohexyl acetate 214.29
    tetrabutyl urea 203.3
    diisobutyl methanol 132.71
    2-phenylethanol 279.43
    styrene 213.09
    dioctyl adipate 224.23
    dimethyl sulfate 399.54
    ethyl butyrate 245.05
    methyl lactate 269.62
    butyl lactate 244.8
    diethyl carbonate 179.07
    propanediol butyl ether 441.05
    triethyl orthoformate 178.72
    p-tert-butyltoluene 111.37
    methyl 4-tert-butylbenzoate 312.3
    morpholine 814.76
    tert-butylamine 441.36
    n-dodecanol 118.14
    dimethoxymethane 638.43
    ethylene carbonate 400.16
    cyrene 361.94
    2-ethoxyethyl acetate 373.75
    2-ethylhexyl acetate 237.68
    1,2,4-trichlorobenzene 469.92
    4-methylpyridine 677.4
    dibutyl ether 228.15
    2,6-dimethyl-4-heptanol 132.71
    DEF 631.64
    dimethyl isosorbide 443.35
    tetrachloroethylene 715.67
    eugenol 346.3
    triacetin 385.02
    span 80 289.91
    1,4-butanediol 377.35
    1,1-dichloroethane 715.85
    2-methyl-1-pentanol 410.96
    methyl formate 668.83
    2-methyl-1-butanol 444.87
    n-decane 47.91
    butyronitrile 546.02
    3,7-dimethyl-1-octanol 223.31
    1-chlorooctane 163.82
    1-chlorotetradecane 71.23
    n-nonane 48.06
    undecane 36.91
    tert-butylcyclohexane 64.25
    cyclooctane 30.22
    cyclopentanol 465.25
    tetrahydropyran 578.83
    tert-amyl methyl ether 412.04
    2,5,8-trioxanonane 513.95
    1-hexene 243.83
    2-isopropoxyethanol 521.42
    2,2,2-trifluoroethanol 423.33
    methyl butyrate 468.12

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction