1-(2-Hydroxy-6-methoxyphenyl)ethan-1-one

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  • Identifiers

    CAS number
    703-23-1

    Molecular formula
    C9H10O3

    SMILES
    CC(=O)C1=C(C=CC=C1OC)O

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Sweet 83.86%
    Phenolic 61.15%
    Spicy 50.54%
    Woody 50.38%
    Vanilla 50.29%
    Herbal 45.93%
    Balsamic 42.97%
    Powdery 39.11%
    Medicinal 37.71%
    Floral 37.58%

     

    Flavor
    Sweet 48.49%
    Phenolic 42.52%
    Woody 41.86%
    Herbal 31.3%
    Spice 29.7%
    Tobacco 29.24%
    Powdery 29.15%
    Spicy 28.36%
    Smoky 27.51%
    Floral 24.7%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    1.8

    pKa est.
    9.18 (weak base)

    Molecular weight
    166.17 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    274°C

    Flash point

    • 120.02 ˚C est.

  • Synonyms

    • 703-23-1
    • 1-(2-hydroxy-6-methoxyphenyl)ethanone
    • 2'-Hydroxy-6'-methoxyacetophenone
    • 1-(2-Hydroxy-6-methoxyphenyl)ethan-1-one
    • Ethanone, 1-(2-hydroxy-6-methoxyphenyl)-
    • M5VQG8968N
    • EINECS 211-872-9
    • DTXSID80220567
    • RefChem:422219
    • DTXCID10143058
    • 211-872-9
    • InChI=1/C9H10O3/c1-6(10)9-7(11)4-3-5-8(9)12-2/h3-5,11H,1-2H
    • 2-Hydroxy-6-methoxyacetophenone
    • MFCD00008732
    • Acetophenone, 2'-hydroxy-6'-methoxy-
    • 1-(2-Hydroxy-6-methoxy-phenyl)ethanone
    • 1-(2-Hydroxy-6-methoxy-phenyl)-ethanone
    • 1-acetyl-2-hydroxy-6-methoxybenzene
    • UNII-M5VQG8968N
    • SCHEMBL980322
    • orb3023564
    • CHEMBL3274349
    • SCHEMBL29639742
    • 2-Hydroxy 6-methoxy acetophenone
    • CHEBI:180565
    • 2'-Hydroxy 6'-methoxyacetophenone
    • 6'-Hydroxy-2'-methoxyacetophenone
    • STR04840
    • BBL100267
    • EBC-12245
    • SBB071417
    • STL553833
    • AKOS000112325
    • 2-HYDROXY-6-METHOXYACETHPHENONE
    • CS-W002044
    • FH71010
    • 2'-Hydroxy-6'-methoxyacetophenone, 97%
    • ST092315
    • SY033422
    • DB-021193
    • 2\'-HYDROXY-6\'-METHOXYACETOPHENONE
    • NS00037046
    • EN300-114469
    • F209418
    • Q27283525
    • F0001-1818
    • Z1255438458
    • 2-Acetyl-3-methoxyphenol6'-Hydroxy-2'-methoxyacetophenone
    • 703-23-1

  • Applications

    1-(2-Hydroxy-6-methoxyphenyl)ethan-1-one (CAS 703-23-1) is primarily used as a fragrance-related intermediate and odorant, with applications in perfumery and flavor chemistry as a building block for aroma compounds; it may also be employed in cosmetics/personal care formulations as a fragrance component; in household products such as cleaners and air fresheners as an odor-active ingredient; it can serve as a synthetic intermediate in pharmaceutical or agrochemical synthesis; and it is considered as a potential precursor or additive in coatings/inks where odor profiles are relevant, all subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 240.04
    methanol 310.13
    isopropanol 175.5
    water 1.58
    ethyl acetate 310.56
    n-propanol 177.32
    acetone 585.19
    n-butanol 171.83
    acetonitrile 357.83
    DMF 903.18
    toluene 62.69
    isobutanol 122.67
    1,4-dioxane 623.73
    methyl acetate 308.79
    THF 1307.1
    2-butanone 299.62
    n-pentanol 121.46
    sec-butanol 132.26
    n-hexane 18.86
    ethylene glycol 190.69
    NMP 499.87
    cyclohexane 17.19
    DMSO 1283.58
    n-butyl acetate 110.39
    n-octanol 82.72
    chloroform 278.11
    n-propyl acetate 134.31
    acetic acid 228.46
    dichloromethane 338.34
    cyclohexanone 330.05
    propylene glycol 135.75
    isopropyl acetate 163.97
    DMAc 444.66
    2-ethoxyethanol 280.67
    isopentanol 134.45
    n-heptane 13.83
    ethyl formate 212.64
    1,2-dichloroethane 299.89
    n-hexanol 131.84
    2-methoxyethanol 675.67
    isobutyl acetate 88.14
    tetrachloromethane 56.78
    n-pentyl acetate 76.9
    transcutol 248.52
    n-heptanol 63.03
    ethylbenzene 48.12
    MIBK 183.08
    2-propoxyethanol 318.69
    tert-butanol 230.95
    MTBE 164.09
    2-butoxyethanol 125.78
    propionic acid 176.68
    o-xylene 47.0
    formic acid 124.78
    diethyl ether 251.85
    m-xylene 66.77
    p-xylene 56.61
    chlorobenzene 104.15
    dimethyl carbonate 211.5
    n-octane 8.23
    formamide 226.26
    cyclopentanone 641.77
    2-pentanone 313.73
    anisole 149.92
    cyclopentyl methyl ether 363.34
    gamma-butyrolactone 698.21
    1-methoxy-2-propanol 470.56
    pyridine 190.5
    3-pentanone 193.76
    furfural 396.68
    n-dodecane 9.4
    diethylene glycol 372.57
    diisopropyl ether 68.64
    tert-amyl alcohol 157.13
    acetylacetone 416.35
    n-hexadecane 10.89
    acetophenone 114.02
    methyl propionate 300.2
    isopentyl acetate 95.16
    trichloroethylene 405.17
    n-nonanol 69.8
    cyclohexanol 157.53
    benzyl alcohol 104.75
    2-ethylhexanol 75.58
    isooctanol 52.05
    dipropyl ether 94.38
    1,2-dichlorobenzene 98.43
    ethyl lactate 107.63
    propylene carbonate 263.62
    n-methylformamide 399.39
    2-pentanol 118.5
    n-pentane 14.59
    1-propoxy-2-propanol 169.97
    1-methoxy-2-propyl acetate 163.23
    2-(2-methoxypropoxy) propanol 117.96
    mesitylene 48.76
    ε-caprolactone 255.82
    p-cymene 32.67
    epichlorohydrin 770.09
    1,1,1-trichloroethane 242.14
    2-aminoethanol 187.28
    morpholine-4-carbaldehyde 462.08
    sulfolane 864.01
    2,2,4-trimethylpentane 11.01
    2-methyltetrahydrofuran 492.67
    n-hexyl acetate 128.9
    isooctane 11.71
    2-(2-butoxyethoxy)ethanol 155.69
    sec-butyl acetate 90.63
    tert-butyl acetate 199.04
    decalin 17.4
    glycerin 259.93
    diglyme 288.9
    acrylic acid 170.86
    isopropyl myristate 59.88
    n-butyric acid 215.78
    acetyl acetate 188.64
    di(2-ethylhexyl) phthalate 53.31
    ethyl propionate 156.92
    nitromethane 660.86
    1,2-diethoxyethane 106.68
    benzonitrile 116.56
    trioctyl phosphate 51.4
    1-bromopropane 146.07
    gamma-valerolactone 553.63
    n-decanol 54.11
    triethyl phosphate 64.36
    4-methyl-2-pentanol 77.25
    propionitrile 204.43
    vinylene carbonate 221.2
    1,1,2-trichlorotrifluoroethane 350.49
    DMS 132.84
    cumene 38.95
    2-octanol 53.79
    2-hexanone 155.82
    octyl acetate 76.14
    limonene 49.42
    1,2-dimethoxyethane 466.68
    ethyl orthosilicate 57.29
    tributyl phosphate 54.93
    diacetone alcohol 258.88
    N,N-dimethylaniline 96.89
    acrylonitrile 269.41
    aniline 105.41
    1,3-propanediol 287.92
    bromobenzene 97.09
    dibromomethane 212.87
    1,1,2,2-tetrachloroethane 305.66
    2-methyl-cyclohexyl acetate 81.53
    tetrabutyl urea 74.22
    diisobutyl methanol 50.64
    2-phenylethanol 106.11
    styrene 55.62
    dioctyl adipate 77.4
    dimethyl sulfate 397.64
    ethyl butyrate 95.81
    methyl lactate 194.23
    butyl lactate 67.94
    diethyl carbonate 68.3
    propanediol butyl ether 123.18
    triethyl orthoformate 68.52
    p-tert-butyltoluene 35.74
    methyl 4-tert-butylbenzoate 111.75
    morpholine 565.82
    tert-butylamine 109.51
    n-dodecanol 42.64
    dimethoxymethane 692.48
    ethylene carbonate 191.83
    cyrene 150.34
    2-ethoxyethyl acetate 105.47
    2-ethylhexyl acetate 71.88
    1,2,4-trichlorobenzene 106.52
    4-methylpyridine 196.62
    dibutyl ether 73.55
    2,6-dimethyl-4-heptanol 50.64
    DEF 300.68
    dimethyl isosorbide 206.62
    tetrachloroethylene 188.56
    eugenol 114.41
    triacetin 102.72
    span 80 94.96
    1,4-butanediol 115.44
    1,1-dichloroethane 241.71
    2-methyl-1-pentanol 93.34
    methyl formate 388.86
    2-methyl-1-butanol 115.23
    n-decane 14.39
    butyronitrile 210.85
    3,7-dimethyl-1-octanol 68.49
    1-chlorooctane 56.98
    1-chlorotetradecane 26.57
    n-nonane 13.59
    undecane 11.48
    tert-butylcyclohexane 19.07
    cyclooctane 9.13
    cyclopentanol 236.73
    tetrahydropyran 392.31
    tert-amyl methyl ether 136.12
    2,5,8-trioxanonane 201.5
    1-hexene 62.81
    2-isopropoxyethanol 164.91
    2,2,2-trifluoroethanol 126.05
    methyl butyrate 188.37

    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