Dipotassium hexadecyl phosphate

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  • Identifiers

    CAS number
    19045-75-1

    Molecular formula
    C16H33K2O4P

    SMILES
    CCCCCCCCCCCCCCCCOP(=O)([O-])[O-].[K+].[K+]

    Safety labels

    Corrosive
    Corrosive

  • Odor profile

    Waxy 41.81%
    Citrus 40.89%
    Fatty 39.88%
    Odorless 38.38%
    Fresh 33.02%
    Oily 24.94%
    Floral 24.43%
    Green 23.89%
    Woody 23.18%
    Clean 22.45%

    Scent© AI

  • Properties

    Molecular weight
    398.6 g/mol

    Flash point est.
    -5.45 ˚C

  • Synonyms

    • Dipotassium hexadecyl phosphate
    • Potassium cetyl phosphate
    • 19045-75-1
    • potassium hexadecyl phosphate
    • potassium monocetyl phosphate
    • dipotassium;hexadecyl phosphate
    • 84861-79-0
    • 1-Hexadecanol, dihydrogen phosphate, dipotassium salt
    • EINECS 242-778-6
    • EINECS 284-374-2
    • SCHEMBL61626
    • DTXSID0066450
    • CNXJITYCNQNTBD-UHFFFAOYSA-L
    • 1-Hexadecanol, 1-(dihydrogen phosphate), potassium salt (1:2)
    • NS00086011

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 8.2
    methanol 30.86
    isopropanol 1.44
    water 91.15
    ethyl acetate 1.27
    n-propanol 2.87
    acetone 1.8
    n-butanol 1.53
    acetonitrile 1.05
    DMF 4.0
    toluene 0.46
    isobutanol 1.09
    1,4-dioxane 2.68
    methyl acetate 1.11
    THF 2.54
    2-butanone 0.84
    n-pentanol 2.03
    sec-butanol 0.91
    n-hexane 0.29
    ethylene glycol 40.48
    NMP 15.34
    cyclohexane 0.4
    DMSO 21.17
    n-butyl acetate 1.9
    n-octanol 1.46
    chloroform 7.92
    n-propyl acetate 1.69
    acetic acid 25.84
    dichloromethane 10.66
    cyclohexanone 2.16
    propylene glycol 13.87
    isopropyl acetate 0.89
    DMAc 5.26
    2-ethoxyethanol 13.96
    isopentanol 0.9
    n-heptane 0.37
    ethyl formate 3.55
    1,2-dichloroethane 5.35
    n-hexanol 2.38
    2-methoxyethanol 19.56
    isobutyl acetate 0.89
    tetrachloromethane 2.27
    n-pentyl acetate 2.66
    transcutol 21.77
    n-heptanol 2.73
    ethylbenzene 0.64
    MIBK 0.59
    2-propoxyethanol 11.12
    tert-butanol 0.99
    MTBE 0.25
    2-butoxyethanol 10.75
    propionic acid 7.23
    o-xylene 0.86
    formic acid 99.38
    diethyl ether 0.65
    m-xylene 0.68
    p-xylene 0.71
    chlorobenzene 0.91
    dimethyl carbonate 1.67
    n-octane 0.24
    formamide 113.4
    cyclopentanone 2.99
    2-pentanone 0.74
    anisole 1.05
    cyclopentyl methyl ether 1.1
    gamma-butyrolactone 7.21
    1-methoxy-2-propanol 6.31
    pyridine 2.26
    3-pentanone 0.79
    furfural 14.94
    n-dodecane 0.12
    diethylene glycol 31.25
    diisopropyl ether 0.31
    tert-amyl alcohol 0.87
    acetylacetone 2.41
    n-hexadecane 0.13
    acetophenone 2.67
    methyl propionate 1.4
    isopentyl acetate 1.55
    trichloroethylene 8.36
    n-nonanol 1.46
    cyclohexanol 1.29
    benzyl alcohol 3.28
    2-ethylhexanol 1.39
    isooctanol 1.91
    dipropyl ether 0.94
    1,2-dichlorobenzene 2.04
    ethyl lactate 5.02
    propylene carbonate 4.89
    n-methylformamide 10.75
    2-pentanol 0.63
    n-pentane 0.24
    1-propoxy-2-propanol 5.26
    1-methoxy-2-propyl acetate 3.38
    2-(2-methoxypropoxy) propanol 7.74
    mesitylene 0.66
    ε-caprolactone 3.73
    p-cymene 0.96
    epichlorohydrin 6.03
    1,1,1-trichloroethane 1.61
    2-aminoethanol 29.24
    morpholine-4-carbaldehyde 13.07
    sulfolane 22.77
    2,2,4-trimethylpentane 0.1
    2-methyltetrahydrofuran 1.07
    n-hexyl acetate 2.04
    isooctane 0.07
    2-(2-butoxyethoxy)ethanol 11.18
    sec-butyl acetate 0.84
    tert-butyl acetate 0.94
    decalin 0.29
    glycerin 45.0
    diglyme 14.32
    acrylic acid 13.32
    isopropyl myristate 0.83
    n-butyric acid 4.4
    acetyl acetate 2.38
    di(2-ethylhexyl) phthalate 2.96
    ethyl propionate 1.39
    nitromethane 14.02
    1,2-diethoxyethane 2.48
    benzonitrile 1.5
    trioctyl phosphate 2.08
    1-bromopropane 1.34
    gamma-valerolactone 8.49
    n-decanol 1.08
    triethyl phosphate 2.5
    4-methyl-2-pentanol 0.49
    propionitrile 0.67
    vinylene carbonate 5.81
    1,1,2-trichlorotrifluoroethane 32.1
    DMS 3.86
    cumene 0.78
    2-octanol 1.14
    2-hexanone 1.01
    octyl acetate 1.32
    limonene 0.9
    1,2-dimethoxyethane 5.04
    ethyl orthosilicate 2.21
    tributyl phosphate 2.16
    diacetone alcohol 2.49
    N,N-dimethylaniline 1.69
    acrylonitrile 1.54
    aniline 1.53
    1,3-propanediol 14.13
    bromobenzene 0.87
    dibromomethane 5.89
    1,1,2,2-tetrachloroethane 8.63
    2-methyl-cyclohexyl acetate 2.59
    tetrabutyl urea 3.04
    diisobutyl methanol 0.82
    2-phenylethanol 3.97
    styrene 0.56
    dioctyl adipate 2.13
    dimethyl sulfate 5.43
    ethyl butyrate 1.63
    methyl lactate 5.94
    butyl lactate 6.67
    diethyl carbonate 1.83
    propanediol butyl ether 10.58
    triethyl orthoformate 2.07
    p-tert-butyltoluene 0.92
    methyl 4-tert-butylbenzoate 5.63
    morpholine 3.5
    tert-butylamine 0.59
    n-dodecanol 0.8
    dimethoxymethane 2.95
    ethylene carbonate 3.86
    cyrene 13.63
    2-ethoxyethyl acetate 5.15
    2-ethylhexyl acetate 1.35
    1,2,4-trichlorobenzene 2.55
    4-methylpyridine 1.08
    dibutyl ether 0.6
    2,6-dimethyl-4-heptanol 0.82
    DEF 2.02
    dimethyl isosorbide 11.15
    tetrachloroethylene 10.93
    eugenol 9.3
    triacetin 6.72
    span 80 8.81
    1,4-butanediol 10.24
    1,1-dichloroethane 1.46
    2-methyl-1-pentanol 1.26
    methyl formate 6.82
    2-methyl-1-butanol 0.86
    n-decane 0.19
    butyronitrile 0.62
    3,7-dimethyl-1-octanol 1.01
    1-chlorooctane 0.63
    1-chlorotetradecane 0.29
    n-nonane 0.19
    undecane 0.14
    tert-butylcyclohexane 0.2
    cyclooctane 0.25
    cyclopentanol 2.01
    tetrahydropyran 0.89
    tert-amyl methyl ether 0.34
    2,5,8-trioxanonane 11.8
    1-hexene 0.45
    2-isopropoxyethanol 5.88
    2,2,2-trifluoroethanol 24.42
    methyl butyrate 1.64

    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