1-Octadecoxypropan-2-ol

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  • Identifiers

    CAS number
    25231-21-4

    Molecular formula
    C21H44O2

    SMILES
    CCCCCCCCCCCCCCCCCCOCC(C)O

  • Odor profile

    Fragrance
    Waxy 64.47%
    Fatty 56.21%
    Oily 48.87%
    Fruity 37.82%
    Odorless 27.57%
    Clean 26.35%
    Fresh 25.06%
    Sweet 23.73%
    Floral 22.51%
    Citrus 22.4%

     

    Flavor
    Waxy 60.44%
    Fatty 44.37%
    Mild 37.97%
    Floral 36.17%
    Oily 35.17%
    Fat 34.17%
    Soapy 32.94%
    Flower 29.95%
    Fresh 28.92%
    Coconut 28.13%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    8.7

    pKa est.
    7.24 (neutral)

    Molecular weight
    328.6 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    406°C

    Flash point

    • 178.8 ˚C est.

  • Synonyms

    • 1-octadecoxypropan-2-ol
    • 25231-21-4
    • Poly(propylene oxide) monooctadecyl ether
    • ARLAMOL(TM) E
    • SCHEMBL1091934
    • DTXSID60865197
    • ZQCIPRGNRQXXSK-UHFFFAOYSA-N
    • 1-(OCTADECYLOXY)PROPAN-2-OL
    • DA-50702
    • NS00014004

  • Applications

    1-Octadecoxypropan-2-ol (CAS 25231-21-4) is typically employed as a formulation aid across several industries. In cosmetics and personal care, it can act as an emollient and a formulation additive to improve skin feel and product compatibility. In household products, it serves as a solvent or co-solvent in cleaning and care formulations. In coatings and inks, it can function as a processing aid and solvent component to dissolve waxes or resins and improve flow and miscibility. In industrial manufacturing and polymers, it may act as a processing aid or plasticizer and as an intermediate for the synthesis of other esters/ethers. In pharmaceuticals, it may be evaluated as an excipient or formulation aid under regulatory controls. Use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 24.04
    methanol 25.26
    isopropanol 39.94
    water 0.03
    ethyl acetate 287.3
    n-propanol 46.94
    acetone 117.13
    n-butanol 73.72
    acetonitrile 44.05
    DMF 130.72
    toluene 88.38
    isobutanol 60.62
    1,4-dioxane 286.48
    methyl acetate 135.0
    THF 715.85
    2-butanone 186.55
    n-pentanol 59.13
    sec-butanol 74.36
    n-hexane 62.58
    ethylene glycol 2.63
    NMP 438.37
    cyclohexane 390.57
    DMSO 267.26
    n-butyl acetate 463.08
    n-octanol 119.43
    chloroform 706.72
    n-propyl acetate 418.26
    acetic acid 65.12
    dichloromethane 655.92
    cyclohexanone 742.08
    propylene glycol 9.19
    isopropyl acetate 334.0
    DMAc 296.76
    2-ethoxyethanol 126.49
    isopentanol 118.83
    n-heptane 144.13
    ethyl formate 104.86
    1,2-dichloroethane 449.57
    n-hexanol 77.92
    2-methoxyethanol 110.2
    isobutyl acetate 313.99
    tetrachloromethane 245.37
    n-pentyl acetate 641.02
    transcutol 846.9
    n-heptanol 107.87
    ethylbenzene 96.86
    MIBK 306.59
    2-propoxyethanol 153.23
    tert-butanol 115.58
    MTBE 238.35
    2-butoxyethanol 235.89
    propionic acid 76.15
    o-xylene 110.79
    formic acid 10.15
    diethyl ether 197.31
    m-xylene 90.49
    p-xylene 144.7
    chlorobenzene 170.27
    dimethyl carbonate 52.03
    n-octane 50.86
    formamide 18.96
    cyclopentanone 597.99
    2-pentanone 264.22
    anisole 178.88
    cyclopentyl methyl ether 516.54
    gamma-butyrolactone 546.12
    1-methoxy-2-propanol 141.66
    pyridine 222.85
    3-pentanone 231.79
    furfural 335.86
    n-dodecane 21.26
    diethylene glycol 48.44
    diisopropyl ether 155.97
    tert-amyl alcohol 152.09
    acetylacetone 315.13
    n-hexadecane 27.22
    acetophenone 243.41
    methyl propionate 172.66
    isopentyl acetate 469.36
    trichloroethylene 686.55
    n-nonanol 126.72
    cyclohexanol 249.9
    benzyl alcohol 87.18
    2-ethylhexanol 155.46
    isooctanol 138.32
    dipropyl ether 472.32
    1,2-dichlorobenzene 245.83
    ethyl lactate 129.15
    propylene carbonate 349.28
    n-methylformamide 45.37
    2-pentanol 89.33
    n-pentane 41.35
    1-propoxy-2-propanol 250.81
    1-methoxy-2-propyl acetate 356.34
    2-(2-methoxypropoxy) propanol 202.5
    mesitylene 92.31
    ε-caprolactone 633.67
    p-cymene 136.36
    epichlorohydrin 537.54
    1,1,1-trichloroethane 629.58
    2-aminoethanol 12.48
    morpholine-4-carbaldehyde 354.74
    sulfolane 930.4
    2,2,4-trimethylpentane 51.23
    2-methyltetrahydrofuran 567.54
    n-hexyl acetate 510.03
    isooctane 30.7
    2-(2-butoxyethoxy)ethanol 280.84
    sec-butyl acetate 370.91
    tert-butyl acetate 497.85
    decalin 103.2
    glycerin 19.95
    diglyme 741.85
    acrylic acid 44.1
    isopropyl myristate 191.82
    n-butyric acid 237.37
    acetyl acetate 199.79
    di(2-ethylhexyl) phthalate 110.18
    ethyl propionate 344.29
    nitromethane 150.98
    1,2-diethoxyethane 504.95
    benzonitrile 132.38
    trioctyl phosphate 100.78
    1-bromopropane 319.99
    gamma-valerolactone 691.71
    n-decanol 80.48
    triethyl phosphate 258.26
    4-methyl-2-pentanol 86.77
    propionitrile 70.49
    vinylene carbonate 238.35
    1,1,2-trichlorotrifluoroethane 364.48
    DMS 194.41
    cumene 88.78
    2-octanol 116.52
    2-hexanone 309.76
    octyl acetate 210.48
    limonene 281.96
    1,2-dimethoxyethane 436.46
    ethyl orthosilicate 282.3
    tributyl phosphate 142.44
    diacetone alcohol 325.4
    N,N-dimethylaniline 149.78
    acrylonitrile 59.9
    aniline 86.05
    1,3-propanediol 36.2
    bromobenzene 219.06
    dibromomethane 471.8
    1,1,2,2-tetrachloroethane 784.37
    2-methyl-cyclohexyl acetate 401.76
    tetrabutyl urea 205.87
    diisobutyl methanol 162.26
    2-phenylethanol 97.14
    styrene 99.03
    dioctyl adipate 277.53
    dimethyl sulfate 135.56
    ethyl butyrate 545.94
    methyl lactate 69.67
    butyl lactate 301.12
    diethyl carbonate 259.75
    propanediol butyl ether 152.36
    triethyl orthoformate 479.99
    p-tert-butyltoluene 127.35
    methyl 4-tert-butylbenzoate 323.89
    morpholine 360.61
    tert-butylamine 96.79
    n-dodecanol 58.19
    dimethoxymethane 141.89
    ethylene carbonate 259.1
    cyrene 208.09
    2-ethoxyethyl acetate 492.94
    2-ethylhexyl acetate 440.53
    1,2,4-trichlorobenzene 285.66
    4-methylpyridine 219.1
    dibutyl ether 457.47
    2,6-dimethyl-4-heptanol 162.26
    DEF 339.81
    dimethyl isosorbide 487.97
    tetrachloroethylene 520.62
    eugenol 205.98
    triacetin 474.5
    span 80 215.47
    1,4-butanediol 16.4
    1,1-dichloroethane 366.78
    2-methyl-1-pentanol 96.85
    methyl formate 37.31
    2-methyl-1-butanol 99.9
    n-decane 57.86
    butyronitrile 109.23
    3,7-dimethyl-1-octanol 159.81
    1-chlorooctane 205.13
    1-chlorotetradecane 60.49
    n-nonane 60.94
    undecane 32.22
    tert-butylcyclohexane 75.11
    cyclooctane 107.12
    cyclopentanol 201.47
    tetrahydropyran 578.51
    tert-amyl methyl ether 262.89
    2,5,8-trioxanonane 387.11
    1-hexene 103.33
    2-isopropoxyethanol 136.85
    2,2,2-trifluoroethanol 39.19
    methyl butyrate 466.37

    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