Ethyl 3-hydroxypropanoate

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  • Identifiers

    CAS number
    623-72-3

    Molecular formula
    C5H10O3

    SMILES
    CCOC(=O)CCO

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fruity 89.96%
    Ethereal 58.78%
    Apple 58.33%
    Green 58.12%
    Winey 55.7%
    Sweet 48.55%
    Fresh 47.97%
    Rummy 40.14%
    Pineapple 37.51%
    Grape 36.2%

     

    Flavor
    Fruity 85.1%
    Sweet 56.74%
    Pineapple 54.8%
    Green 53.43%
    Fruit 53.15%
    Apple 46.97%
    Bitter 42.56%
    Tropical 39.06%
    Grape 38.47%
    Pear 36.5%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    -0.3

    pKa est.
    8.5 (weak base)

    Molecular weight
    118.13 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Boiling point est.
    188°C

    Flash point

    • 79.3 ˚C est.

  • Synonyms

    • ethyl 3-hydroxypropanoate
    • 623-72-3
    • DTXSID50512007
    • RefChem:594990
    • DTXCID30462814
    • 695-619-1
    • MFCD11652203
    • Propanoic acid, 3-hydroxy-, ethyl ester
    • CHEMBL3786150
    • Ethyl3-Hydroxypropanoate
    • methanol=ethyl acetate
    • SCHEMBL6403
    • SCHEMBL94725
    • SCHEMBL1260437
    • SCHEMBL4294657
    • SCHEMBL8972782
    • UKDLORMZNPQILV-UHFFFAOYSA-N
    • 3-Hydroxypropanoic acid ethyl ester
    • ALBB-013457
    • 3-hydroxy-propanoic acid ethyl ester
    • BDBM50160405
    • STL429866
    • AKOS005174194
    • DS-13821
    • FE122905
    • SY008914
    • DB-073108
    • CS-0139545
    • EN300-56124
    • F233523
    • Q47460511
    • 623-72-3

  • Applications

    Ethyl 3-hydroxypropanoate is primarily used as an intermediate in organic synthesis and as a feedstock for the production of specialty esters and polymers, including roles in polyester and polyurethane chemistries and as a platform for further functionalization. In industrial manufacturing, it may function as a solvent or co-solvent for coatings, inks, and cleaning formulations, and as a processing aid in reactive formulations. It is also evaluated as a building block in fragrance chemistry and related cosmetic ingredient synthesis, leveraging its hydroxyl functionality to create derivatives. These applications are subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 591.51
    methanol 1085.9
    isopropanol 453.72
    water 63.33
    ethyl acetate 256.9
    n-propanol 401.93
    acetone 593.18
    n-butanol 313.83
    acetonitrile 593.0
    DMF 1511.27
    toluene 45.42
    isobutanol 281.73
    1,4-dioxane 600.24
    methyl acetate 320.96
    THF 666.93
    2-butanone 297.92
    n-pentanol 205.04
    sec-butanol 319.04
    n-hexane 23.24
    ethylene glycol 473.0
    NMP 1247.26
    cyclohexane 37.45
    DMSO 1499.31
    n-butyl acetate 98.22
    n-octanol 121.95
    chloroform 391.82
    n-propyl acetate 135.15
    acetic acid 1171.51
    dichloromethane 544.6
    cyclohexanone 433.65
    propylene glycol 391.63
    isopropyl acetate 133.43
    DMAc 1088.8
    2-ethoxyethanol 414.95
    isopentanol 215.64
    n-heptane 19.28
    ethyl formate 296.32
    1,2-dichloroethane 304.3
    n-hexanol 151.32
    2-methoxyethanol 861.12
    isobutyl acetate 77.2
    tetrachloromethane 53.77
    n-pentyl acetate 93.48
    transcutol 647.98
    n-heptanol 73.16
    ethylbenzene 41.43
    MIBK 130.69
    2-propoxyethanol 339.43
    tert-butanol 488.84
    MTBE 196.12
    2-butoxyethanol 151.95
    propionic acid 545.44
    o-xylene 63.7
    formic acid 621.29
    diethyl ether 209.18
    m-xylene 50.6
    p-xylene 62.28
    chlorobenzene 117.82
    dimethyl carbonate 158.59
    n-octane 9.03
    formamide 605.13
    cyclopentanone 557.21
    2-pentanone 216.94
    anisole 142.54
    cyclopentyl methyl ether 236.34
    gamma-butyrolactone 821.37
    1-methoxy-2-propanol 557.35
    pyridine 260.61
    3-pentanone 181.2
    furfural 678.47
    n-dodecane 11.26
    diethylene glycol 401.24
    diisopropyl ether 50.37
    tert-amyl alcohol 335.91
    acetylacetone 295.49
    n-hexadecane 12.43
    acetophenone 162.92
    methyl propionate 282.09
    isopentyl acetate 89.59
    trichloroethylene 466.8
    n-nonanol 100.97
    cyclohexanol 278.91
    benzyl alcohol 168.28
    2-ethylhexanol 87.16
    isooctanol 63.29
    dipropyl ether 94.64
    1,2-dichlorobenzene 143.89
    ethyl lactate 142.66
    propylene carbonate 381.58
    n-methylformamide 734.88
    2-pentanol 187.82
    n-pentane 26.14
    1-propoxy-2-propanol 201.08
    1-methoxy-2-propyl acetate 138.03
    2-(2-methoxypropoxy) propanol 216.03
    mesitylene 41.49
    ε-caprolactone 382.68
    p-cymene 42.07
    epichlorohydrin 565.93
    1,1,1-trichloroethane 210.59
    2-aminoethanol 525.5
    morpholine-4-carbaldehyde 977.15
    sulfolane 1036.21
    2,2,4-trimethylpentane 18.59
    2-methyltetrahydrofuran 369.05
    n-hexyl acetate 167.27
    isooctane 12.66
    2-(2-butoxyethoxy)ethanol 258.51
    sec-butyl acetate 80.33
    tert-butyl acetate 146.13
    decalin 21.97
    glycerin 581.91
    diglyme 431.84
    acrylic acid 602.25
    isopropyl myristate 72.42
    n-butyric acid 458.07
    acetyl acetate 180.85
    di(2-ethylhexyl) phthalate 90.23
    ethyl propionate 156.41
    nitromethane 1329.64
    1,2-diethoxyethane 146.86
    benzonitrile 212.12
    trioctyl phosphate 70.54
    1-bromopropane 148.25
    gamma-valerolactone 786.76
    n-decanol 75.91
    triethyl phosphate 75.43
    4-methyl-2-pentanol 94.5
    propionitrile 330.24
    vinylene carbonate 402.84
    1,1,2-trichlorotrifluoroethane 545.17
    DMS 141.39
    cumene 43.74
    2-octanol 62.96
    2-hexanone 134.99
    octyl acetate 94.58
    limonene 67.93
    1,2-dimethoxyethane 548.68
    ethyl orthosilicate 65.59
    tributyl phosphate 83.01
    diacetone alcohol 238.81
    N,N-dimethylaniline 129.32
    acrylonitrile 483.28
    aniline 141.19
    1,3-propanediol 500.28
    bromobenzene 103.24
    dibromomethane 299.17
    1,1,2,2-tetrachloroethane 385.08
    2-methyl-cyclohexyl acetate 99.81
    tetrabutyl urea 123.82
    diisobutyl methanol 59.54
    2-phenylethanol 114.69
    styrene 55.54
    dioctyl adipate 122.0
    dimethyl sulfate 326.59
    ethyl butyrate 110.59
    methyl lactate 279.14
    butyl lactate 106.51
    diethyl carbonate 92.25
    propanediol butyl ether 214.96
    triethyl orthoformate 83.39
    p-tert-butyltoluene 40.13
    methyl 4-tert-butylbenzoate 172.96
    morpholine 669.46
    tert-butylamine 273.22
    n-dodecanol 60.22
    dimethoxymethane 501.37
    ethylene carbonate 297.89
    cyrene 244.03
    2-ethoxyethyl acetate 129.47
    2-ethylhexyl acetate 68.21
    1,2,4-trichlorobenzene 176.98
    4-methylpyridine 266.89
    dibutyl ether 95.82
    2,6-dimethyl-4-heptanol 59.54
    DEF 451.43
    dimethyl isosorbide 309.74
    tetrachloroethylene 235.55
    eugenol 175.66
    triacetin 202.22
    span 80 195.64
    1,4-butanediol 247.87
    1,1-dichloroethane 258.54
    2-methyl-1-pentanol 162.72
    methyl formate 537.85
    2-methyl-1-butanol 219.42
    n-decane 16.74
    butyronitrile 294.09
    3,7-dimethyl-1-octanol 112.1
    1-chlorooctane 63.69
    1-chlorotetradecane 30.51
    n-nonane 16.25
    undecane 13.15
    tert-butylcyclohexane 21.72
    cyclooctane 11.85
    cyclopentanol 402.07
    tetrahydropyran 363.62
    tert-amyl methyl ether 155.72
    2,5,8-trioxanonane 351.58
    1-hexene 68.89
    2-isopropoxyethanol 229.66
    2,2,2-trifluoroethanol 373.48
    methyl butyrate 209.11

    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