Ethyl Lactate

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    97-64-3

    Molecular formula
    C5H10O3

    SMILES
    CCOC(=O)C(C)O

    Safety labels

    Flammable
    Flammable

    Corrosive
    Corrosive

    Irritant
    Irritant

    Retention indicies (RI)

    • Carbowax: 1285.0

  • Odor profile

    Fruity 79.38%
    Caramellic 77.08%
    Sweet 67.13%
    Buttery 60.3%
    Ethereal 53.77%
    Winey 50.18%
    Rummy 46.52%
    Creamy 41.04%
    Milky 40.95%
    Burnt 33.48%

    Scent© AI

    Odor threshold

    • Odor Threshold Low: 0.2 [mmHg]. Odor Threshold High: 1.66 [mmHg]. Odor threshold from CHEMINFO

  • Properties

    XLogP3-AA
    0.2

    pKa est.
    8.09 (weak base)

    Molecular weight
    118.13 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Melting point expt.

    • -26 °C
    • -26.00 °C. @ 760.00 mm Hg

    Boiling point

    • 309 °F at 760 mmHg (USCG, 1999)
    • 154 °C
    • 154.00 °C. @ 760.00 mm Hg
    • 309 °F

    Flash point est.
    54.8 ˚C

    Flash point expt.

    • 115 °F (USCG, 1999)
    • 46 °C
    • 115 °F (46 °C) (Closed Cup)
    • 115 °F

    Solubility expt.

    • Miscible with water
    • Miscible with alcohol, ketones, esters, hydrocarbons, oil
    • Miscible with gasoline
    • Miscible with ether
    • 1000 mg/mL at 20 °C
    • miscible with water; soluble in organic solvents, oils
    • miscible (in ethanol)

  • Synonyms

    • ETHYL LACTATE
    • 97-64-3
    • Ethyl 2-hydroxypropanoate
    • Actylol
    • Solactol
    • Acytol
    • Lactic acid, ethyl ester
    • Ethyl 2-hydroxypropionate
    • Propanoic acid, 2-hydroxy-, ethyl ester
    • Lactate d'ethyle
    • 2-Hydroxypropanoic acid ethyl ester
    • Eusolvan
    • Ethyl alpha-hydroxypropionate
    • Ethyl lactate (natural)
    • FEMA No. 2440
    • Lactic Acid Ethyl Ester
    • DL-Ethyl Lactate
    • Ethylester kyseliny mlecne
    • Lactate d'ethyle [French]
    • NSC 8850
    • HSDB 412
    • Ethylester kyseliny mlecne [Czech]
    • ethyl DL-lactate
    • Ethyl ester of lactic acid
    • 2-Hydroxypropionic Acid Ethyl Ester
    • EINECS 202-598-0
    • UNII-F3P750VW8I
    • UN1192
    • BRN 1209448
    • Ethyl .alpha.-hydroxypropionate
    • Ethyl racemic-lactate
    • F3P750VW8I
    • DTXSID6029127
    • CHEBI:78321
    • PURASOLV ELS
    • VERTECBIO EL
    • AI3-00395
    • NSC-8850
    • ETHYL LACTATE [MI]
    • (.+/-.)-Ethyl lactate
    • ETHYL LACTATE [FCC]
    • ETHYL LACTATE [FHFI]
    • ETHYL LACTATE [HSDB]
    • ETHYL LACTATE [MART.]
    • DTXCID509127
    • ETHYL LACTATE [WHO-DD]
    • FEMA 2440
    • (+-)-Ethyl 2-hydroxypropanoate
    • (+-)-Ethyl 2-hydroxypropionate
    • 4-03-00-00643 (Beilstein Handbook Reference)
    • UN 1192
    • (+/-)-LACTIC ACID ETHYL ESTER
    • (+/-)-ETHYL 2-HYDROXYPROPIONATE
    • ETHYL LACTATE (MART.)
    • Ethylester kyseliny mlecne (Czech)
    • Ethyl lactate,C5H10O3,97-64-3
    • EthylL-(-)-Lactate
    • ethyl-lactate
    • Ethyl lactic acid
    • Milchsaureathylester
    • MFCD00065359
    • lactic acid ethylester
    • (S)-(-)-2-Hydroxypropionic acid ethyl ester
    • Lactic acid-ethyl ester
    • Ethyl 2hydroxypropanoate
    • Ethyl 2hydroxypropionate
    • Mono-Ethyl mono-lactate
    • (+/-)-ethyl lactate
    • ETHYL RAC-LACTATE
    • ethyl-2-hydroxypropionate
    • Ethyl alphahydroxypropionate
    • Ethyl 2-hydroxypropanoate #
    • SCHEMBL22598
    • ETHYL LACTATE [INCI]
    • Ethyl 2-hydroxypropanoic acid
    • (+-)-ETHYL LACTATE
    • WLN: QVY1 & O2
    • CHEMBL3186323
    • (.+-.)-ETHYL LACTATE
    • MSK6702
    • NSC8850
    • 2Hydroxypropanoic acid ethyl ester
    • DL-LACTIC ACID, ETHYL ESTER
    • Tox21_200889
    • 2-hydroxy-propionic acid ethyl ester
    • Ethyl lactate, >=98%, FCC, FG
    • AKOS009157222
    • Propanoic acid, 2hydroxy, ethyl ester
    • (+-)-LACTIC ACID ETHYL ESTER
    • CAS-97-64-3
    • NCGC00248866-01
    • NCGC00258443-01
    • (.+-.)-LACTIC ACID ETHYL ESTER
    • AS-13500
    • SY030456
    • (.+-.)-ETHYL 2-HYDROXYPROPIONATE
    • DB-057680
    • A9137
    • Ethyl lactate, natural, >=98%, FCC, FG
    • Ethyl lactate, SAJ first grade, >=97.5%
    • L0003
    • NS00001187
    • Ethyl lactate [UN1192] [Flammable liquid]
    • (-)-Ethyl L-lactate Natural, Kosher Certified
    • EN300-115258
    • A845735
    • Q415418
    • 2-[(4-benzylpiperazin-1-yl)methyl]isoindoline-1,3-dione
    • (R)-Ethyl D-lactate;(2R)-2-Hydroxypropionic acid ethyl ester
    • (R)-Ethyl D-lactate ; (2R)-2-Hydroxypropionic acid ethyl ester
    • 202-598-0

  • Applications

    Ethyl lactate (CAS 97-64-3) is a bio-based solvent obtained from fermentation of lactic acid and ethanol that is widely used in coatings, paints, printing inks and ink-jet formulations because of its moderate evaporation rate and strong solvency for nitrocellulose, acrylics and polyesters; it serves as a safe cleaner for electronic devices, semiconductor parts, 3-D printers and metal surfaces by replacing hazardous chlorinated solvents; in pharmaceuticals and cosmetics it functions as an extraction solvent, flavor carrier and emulsifier for creams, lotions and perfumes due to its low toxicity and rapid biodegradation; in agriculture it acts as a pesticide carrier, penetration enhancer and micro-emulsion solvent; the ester is also FDA-approved as a flavor additive imparting fruity, dairy and wine notes to foods, beverages, yogurt and confectionery; beyond these roles ethyl lactate is a green reaction medium for enzyme-catalyzed synthesis, PLA polymerization, oilfield treatment, biodegradable polymer plasticization and even an electrolyte component in lithium batteries, exemplifying the shift from NMP, DMF, acetone and toluene toward sustainable, health-conscious and environmentally friendly solvent solutions.

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 841.29
    methanol 1833.88
    isopropanol 555.69
    water 117.84
    ethyl acetate 346.66
    n-propanol 551.54
    acetone 849.44
    n-butanol 417.07
    acetonitrile 814.09
    DMF 1444.93
    toluene 67.94
    isobutanol 395.72
    1,4-dioxane 793.09
    methyl acetate 430.96
    THF 669.51
    2-butanone 474.52
    n-pentanol 349.15
    sec-butanol 460.83
    n-hexane 42.57
    ethylene glycol 530.96
    NMP 874.41
    cyclohexane 38.67
    DMSO 1962.35
    n-butyl acetate 240.93
    n-octanol 178.81
    chloroform 516.16
    n-propyl acetate 252.74
    acetic acid 1177.1
    dichloromethane 782.48
    cyclohexanone 494.5
    propylene glycol 372.18
    isopropyl acetate 192.38
    DMAc 957.46
    2-ethoxyethanol 814.86
    isopentanol 334.2
    n-heptane 24.16
    ethyl formate 439.02
    1,2-dichloroethane 523.3
    n-hexanol 243.86
    2-methoxyethanol 1162.27
    isobutyl acetate 134.6
    tetrachloromethane 93.4
    n-pentyl acetate 175.74
    transcutol 956.91
    n-heptanol 131.23
    ethylbenzene 77.79
    MIBK 212.17
    2-propoxyethanol 508.88
    tert-butanol 636.03
    MTBE 383.99
    2-butoxyethanol 280.27
    propionic acid 511.74
    o-xylene 89.13
    formic acid 1039.02
    diethyl ether 339.85
    m-xylene 67.92
    p-xylene 115.07
    chlorobenzene 186.2
    dimethyl carbonate 159.21
    n-octane 16.44
    formamide 926.91
    cyclopentanone 610.21
    2-pentanone 337.79
    anisole 223.17
    cyclopentyl methyl ether 257.67
    gamma-butyrolactone 779.79
    1-methoxy-2-propanol 633.0
    pyridine 368.46
    3-pentanone 272.74
    furfural 798.71
    n-dodecane 16.61
    diethylene glycol 577.1
    diisopropyl ether 90.41
    tert-amyl alcohol 527.22
    acetylacetone 432.59
    n-hexadecane 18.03
    acetophenone 256.21
    methyl propionate 305.79
    isopentyl acetate 199.92
    trichloroethylene 735.02
    n-nonanol 141.95
    cyclohexanol 288.64
    benzyl alcohol 251.85
    2-ethylhexanol 142.46
    isooctanol 115.16
    dipropyl ether 131.97
    1,2-dichlorobenzene 219.39
    ethyl lactate 179.86
    propylene carbonate 379.96
    n-methylformamide 897.58
    2-pentanol 275.51
    n-pentane 40.72
    1-propoxy-2-propanol 292.62
    1-methoxy-2-propyl acetate 201.29
    2-(2-methoxypropoxy) propanol 245.01
    mesitylene 57.91
    ε-caprolactone 445.41
    p-cymene 64.64
    epichlorohydrin 743.48
    1,1,1-trichloroethane 266.64
    2-aminoethanol 585.89
    morpholine-4-carbaldehyde 876.66
    sulfolane 1032.71
    2,2,4-trimethylpentane 34.39
    2-methyltetrahydrofuran 469.71
    n-hexyl acetate 256.91
    isooctane 20.42
    2-(2-butoxyethoxy)ethanol 338.17
    sec-butyl acetate 141.52
    tert-butyl acetate 227.39
    decalin 31.75
    glycerin 583.49
    diglyme 640.94
    acrylic acid 542.5
    isopropyl myristate 89.44
    n-butyric acid 493.72
    acetyl acetate 232.74
    di(2-ethylhexyl) phthalate 107.06
    ethyl propionate 216.05
    nitromethane 1545.25
    1,2-diethoxyethane 298.13
    benzonitrile 309.7
    trioctyl phosphate 89.25
    1-bromopropane 227.43
    gamma-valerolactone 822.76
    n-decanol 104.35
    triethyl phosphate 102.66
    4-methyl-2-pentanol 154.92
    propionitrile 441.98
    vinylene carbonate 412.99
    1,1,2-trichlorotrifluoroethane 618.01
    DMS 209.82
    cumene 70.75
    2-octanol 114.29
    2-hexanone 278.37
    octyl acetate 126.13
    limonene 91.46
    1,2-dimethoxyethane 959.26
    ethyl orthosilicate 94.1
    tributyl phosphate 115.05
    diacetone alcohol 323.82
    N,N-dimethylaniline 186.02
    acrylonitrile 651.71
    aniline 178.86
    1,3-propanediol 666.49
    bromobenzene 156.69
    dibromomethane 433.64
    1,1,2,2-tetrachloroethane 611.8
    2-methyl-cyclohexyl acetate 139.78
    tetrabutyl urea 146.03
    diisobutyl methanol 92.92
    2-phenylethanol 177.88
    styrene 100.35
    dioctyl adipate 143.78
    dimethyl sulfate 341.35
    ethyl butyrate 170.47
    methyl lactate 256.06
    butyl lactate 167.93
    diethyl carbonate 124.26
    propanediol butyl ether 317.54
    triethyl orthoformate 123.77
    p-tert-butyltoluene 64.47
    methyl 4-tert-butylbenzoate 202.87
    morpholine 770.05
    tert-butylamine 356.17
    n-dodecanol 80.35
    dimethoxymethane 594.74
    ethylene carbonate 340.11
    cyrene 254.3
    2-ethoxyethyl acetate 237.3
    2-ethylhexyl acetate 147.99
    1,2,4-trichlorobenzene 254.9
    4-methylpyridine 358.75
    dibutyl ether 139.62
    2,6-dimethyl-4-heptanol 92.92
    DEF 517.59
    dimethyl isosorbide 344.39
    tetrachloroethylene 436.11
    eugenol 231.32
    triacetin 237.38
    span 80 203.61
    1,4-butanediol 414.32
    1,1-dichloroethane 353.17
    2-methyl-1-pentanol 301.1
    methyl formate 737.28
    2-methyl-1-butanol 342.39
    n-decane 25.03
    butyronitrile 398.56
    3,7-dimethyl-1-octanol 149.46
    1-chlorooctane 92.2
    1-chlorotetradecane 41.11
    n-nonane 24.78
    undecane 19.81
    tert-butylcyclohexane 34.67
    cyclooctane 17.66
    cyclopentanol 365.22
    tetrahydropyran 431.0
    tert-amyl methyl ether 303.12
    2,5,8-trioxanonane 425.43
    1-hexene 122.1
    2-isopropoxyethanol 425.11
    2,2,2-trifluoroethanol 433.41
    methyl butyrate 332.41

    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

Botanical

Name CAS Botanical Proportion
Pineapple pulp Ananas comosus (L.) Merr., fam. Bromeliaceae 0.42%