2,3-Dimethyl-2-hydroxy-3-phenylpropane

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  • Identifiers

    CAS number
    3280-08-8

    Molecular formula
    C11H16O

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

    Safety labels

  • Odor profile

    Fragrance
    Floral 91.04%
    Green 69.85%
    Fresh 58.88%
    Rose 54.8%
    Lily 53.49%
    Herbal 51.93%
    Sweet 51.25%
    Woody 43.02%
    Muguet 42.07%
    Citrus 40.86%

     

    Flavor
    Green 76.58%
    Floral 72.89%
    Rose 40.4%
    Lily 39.47%
    Oily 36.35%
    Citrus 36.28%
    Waxy 34.64%
    Sweet 32.72%
    Bitter 31.37%
    Tropical 31.06%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    2.4

    pKa est.
    9.25 (weak base)

    Molecular weight
    164.24 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point est.
    228°C

    Flash point

    • 98.04 ˚C est.

  • Synonyms

    • 3280-08-8
    • 2,3-DIMETHYL-2-HYDROXY-3-PHENYLPROPANE
    • RefChem:1059458
    • 2-methyl-3-phenylbutan-2-ol
    • 2-Methyl-3-phenyl-2-butanol
    • 2-methyl-3-phenyl-butan-2-ol
    • NSC60300
    • SCHEMBL1471159
    • SCHEMBL6609543
    • DTXSID30871886
    • 2-Methyl-3-phenyl-2-butanol #
    • NSC 60300
    • NSC-60300
    • AKOS033816286
    • Benzeneethanol,.alpha.,.beta.-trimethyl-
    • Phenethyl alcohol,.alpha.,.beta.-trimethyl-
    • EN300-248209
    • Benzeneethanol, .alpha.,.alpha.,.beta.-trimethyl-
    • Phenethyl alcohol, .alpha.,.alpha.,.beta.-trimethyl-
    • Z2235789563
    • 3280-08-8

  • Applications

    2,3-Dimethyl-2-hydroxy-3-phenylpropane is typically used as an intermediate in fragrance chemistry and as a building block for specialty chemicals in cosmetics and personal care. It is commonly evaluated as a precursor for aroma compounds and fragrance materials, and can serve as a useful modifier or intermediate in polymer and plastics formulations. In coatings and inks, it may be used as an additive or processing intermediate, while its synthetic versatility also makes it a potential intermediate in pharmaceutical synthesis. In cleaning product formulations, it may act as a processing aid or stabilizer under appropriate formulation and regulatory constraints. CAS number: 3280-08-8.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 917.99
    methanol 684.7
    isopropanol 973.1
    water 3.21
    ethyl acetate 577.45
    n-propanol 841.52
    acetone 785.39
    n-butanol 789.71
    acetonitrile 804.2
    DMF 794.13
    toluene 271.56
    isobutanol 672.98
    1,4-dioxane 1360.79
    methyl acetate 617.79
    THF 1482.61
    2-butanone 664.35
    n-pentanol 462.92
    sec-butanol 702.83
    n-hexane 278.35
    ethylene glycol 181.27
    NMP 463.75
    cyclohexane 255.99
    DMSO 580.04
    n-butyl acetate 593.67
    n-octanol 390.02
    chloroform 1359.91
    n-propyl acetate 322.3
    acetic acid 314.45
    dichloromethane 1028.0
    cyclohexanone 744.12
    propylene glycol 384.13
    isopropyl acetate 328.04
    DMAc 570.94
    2-ethoxyethanol 411.78
    isopentanol 585.49
    n-heptane 300.49
    ethyl formate 390.83
    1,2-dichloroethane 529.63
    n-hexanol 1031.86
    2-methoxyethanol 692.36
    isobutyl acetate 228.66
    tetrachloromethane 255.86
    n-pentyl acetate 253.67
    transcutol 857.7
    n-heptanol 375.07
    ethylbenzene 207.63
    MIBK 343.28
    2-propoxyethanol 893.61
    tert-butanol 1086.57
    MTBE 741.18
    2-butoxyethanol 400.75
    propionic acid 416.0
    o-xylene 204.63
    formic acid 92.14
    diethyl ether 777.85
    m-xylene 216.84
    p-xylene 254.42
    chlorobenzene 275.51
    dimethyl carbonate 184.6
    n-octane 92.55
    formamide 159.79
    cyclopentanone 835.17
    2-pentanone 561.59
    anisole 360.5
    cyclopentyl methyl ether 603.46
    gamma-butyrolactone 762.28
    1-methoxy-2-propanol 661.82
    pyridine 495.33
    3-pentanone 437.84
    furfural 491.8
    n-dodecane 67.0
    diethylene glycol 491.06
    diisopropyl ether 253.87
    tert-amyl alcohol 706.71
    acetylacetone 421.09
    n-hexadecane 72.83
    acetophenone 263.44
    methyl propionate 451.07
    isopentyl acetate 443.55
    trichloroethylene 795.89
    n-nonanol 313.99
    cyclohexanol 554.38
    benzyl alcohol 237.83
    2-ethylhexanol 500.75
    isooctanol 265.6
    dipropyl ether 692.24
    1,2-dichlorobenzene 244.72
    ethyl lactate 178.18
    propylene carbonate 423.12
    n-methylformamide 374.99
    2-pentanol 548.47
    n-pentane 221.18
    1-propoxy-2-propanol 670.2
    1-methoxy-2-propyl acetate 432.3
    2-(2-methoxypropoxy) propanol 327.78
    mesitylene 153.11
    ε-caprolactone 537.87
    p-cymene 171.29
    epichlorohydrin 734.82
    1,1,1-trichloroethane 611.69
    2-aminoethanol 403.22
    morpholine-4-carbaldehyde 637.35
    sulfolane 686.97
    2,2,4-trimethylpentane 89.15
    2-methyltetrahydrofuran 929.47
    n-hexyl acetate 415.33
    isooctane 76.78
    2-(2-butoxyethoxy)ethanol 437.11
    sec-butyl acetate 215.9
    tert-butyl acetate 356.15
    decalin 116.01
    glycerin 353.05
    diglyme 675.75
    acrylic acid 279.81
    isopropyl myristate 193.14
    n-butyric acid 543.14
    acetyl acetate 275.35
    di(2-ethylhexyl) phthalate 156.68
    ethyl propionate 302.72
    nitromethane 568.95
    1,2-diethoxyethane 499.61
    benzonitrile 292.64
    trioctyl phosphate 137.55
    1-bromopropane 594.0
    gamma-valerolactone 819.11
    n-decanol 247.3
    triethyl phosphate 160.49
    4-methyl-2-pentanol 300.95
    propionitrile 695.77
    vinylene carbonate 377.9
    1,1,2-trichlorotrifluoroethane 406.81
    DMS 255.84
    cumene 166.65
    2-octanol 248.08
    2-hexanone 413.74
    octyl acetate 236.28
    limonene 279.56
    1,2-dimethoxyethane 753.71
    ethyl orthosilicate 159.33
    tributyl phosphate 154.19
    diacetone alcohol 394.92
    N,N-dimethylaniline 255.36
    acrylonitrile 547.34
    aniline 278.5
    1,3-propanediol 467.98
    bromobenzene 287.63
    dibromomethane 796.63
    1,1,2,2-tetrachloroethane 704.04
    2-methyl-cyclohexyl acetate 274.77
    tetrabutyl urea 200.61
    diisobutyl methanol 258.19
    2-phenylethanol 325.46
    styrene 221.44
    dioctyl adipate 212.95
    dimethyl sulfate 249.89
    ethyl butyrate 389.2
    methyl lactate 226.69
    butyl lactate 208.88
    diethyl carbonate 234.66
    propanediol butyl ether 353.81
    triethyl orthoformate 245.1
    p-tert-butyltoluene 186.01
    methyl 4-tert-butylbenzoate 278.72
    morpholine 1217.35
    tert-butylamine 765.13
    n-dodecanol 200.33
    dimethoxymethane 579.63
    ethylene carbonate 360.23
    cyrene 266.32
    2-ethoxyethyl acetate 286.9
    2-ethylhexyl acetate 360.78
    1,2,4-trichlorobenzene 256.41
    4-methylpyridine 486.91
    dibutyl ether 418.4
    2,6-dimethyl-4-heptanol 258.19
    DEF 458.1
    dimethyl isosorbide 473.55
    tetrachloroethylene 422.94
    eugenol 243.39
    triacetin 287.81
    span 80 329.3
    1,4-butanediol 210.14
    1,1-dichloroethane 749.43
    2-methyl-1-pentanol 343.84
    methyl formate 311.28
    2-methyl-1-butanol 528.83
    n-decane 115.09
    butyronitrile 741.71
    3,7-dimethyl-1-octanol 317.66
    1-chlorooctane 271.95
    1-chlorotetradecane 118.49
    n-nonane 122.89
    undecane 84.58
    tert-butylcyclohexane 128.07
    cyclooctane 100.88
    cyclopentanol 600.44
    tetrahydropyran 1187.55
    tert-amyl methyl ether 473.26
    2,5,8-trioxanonane 482.28
    1-hexene 558.84
    2-isopropoxyethanol 335.13
    2,2,2-trifluoroethanol 126.04
    methyl butyrate 368.28

    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