Sepiwhite

Overview IFRA Request a quote

  • Identifiers

    CAS number
    175357-18-3

    Molecular formula
    C20H29NO3

    SMILES
    C=CCCCCCCCCC(=O)N[C@@H](CC1=CC=CC=C1)C(=O)O

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Herbal 36.69%
    Savory 32.4%
    Spicy 32.0%
    Meaty 29.97%
    Citrus 29.38%
    Fatty 28.41%
    Odorless 28.29%
    Waxy 27.23%
    Sweet 25.06%
    Oily 24.74%

     

    Flavor
    Odorless 38.24%
    Mild 32.48%
    Herbal 28.24%
    Bland 24.17%
    Bitter 21.59%
    Waxy 20.8%
    Faint 20.3%
    Slightly waxy 19.5%
    Nitrile 19.41%
    Cedarleaf 19.33%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    5.2

    pKa est.
    6.22 (neutral)

    Molecular weight
    331.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    460°C

    Flash point

    • 230.78 ˚C est.

  • Synonyms

    • undecylenoyl phenylalanine
    • 175357-18-3
    • Sepiwhite msh
    • undecylenoylphenylalanine
    • Sepiwhite msh QD
    • N-Undecenoyl-L-phenylalanine
    • L-Phenylalanine, N-(1-oxo-10-undecenyl)-
    • Sepiwhite
    • 271P08C6OD
    • L-Phenylalanine, N-(1-oxo-10-undecen-1-yl)-
    • DTXSID701018253
    • RefChem:901093
    • DTXCID801476490
    • (2S)-3-phenyl-2-(undec-10-enoylamino)propanoic Acid
    • (S)-3-Phenyl-2-(undec-10-enamido)propanoic acid
    • UNII-271P08C6OD
    • Undecylenoyl phenylalanine [INCI]
    • (2S)-3-phenyl-2-[[(E)-undec-2-enoyl]amino]propanoic Acid
    • UNDECYLENOYL PHENYLALANINE (SEPIWHITE)
    • SCHEMBL144776
    • orb1306635
    • RTBWWWVNZWFNBV-SFHVURJKSA-N
    • N-Undec-10-enoyl-L-phenylalanine
    • MFCD17214414
    • MSK161098
    • AKOS028112895
    • BS-51480
    • HY-135014
    • CS-0109054
    • F71335
    • Q27254148
    • 175357-18-3

  • Applications

    Sepiwhite (CAS 175357-18-3) is primarily applied in cosmetics and personal care as a skin-brightening active ingredient, formulated in creams, serums, and lotions to help address uneven pigmentation. It is commonly evaluated as a synthetic intermediate for the preparation of cosmetic actives and other specialty chemicals used in personal-care formulations. In industrial manufacturing contexts, it may be treated as a building block for custom cosmetic ingredients and related materials, under appropriate regulatory controls. The use of Sepiwhite is formulation- and region-dependent, with practice guided by local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 119.71
    methanol 332.55
    isopropanol 45.87
    water 0.31
    ethyl acetate 61.8
    n-propanol 71.64
    acetone 174.97
    n-butanol 50.71
    acetonitrile 24.15
    DMF 566.01
    toluene 13.21
    isobutanol 38.17
    1,4-dioxane 60.83
    methyl acetate 61.75
    THF 187.67
    2-butanone 100.57
    n-pentanol 46.54
    sec-butanol 45.93
    n-hexane 0.8
    ethylene glycol 22.22
    NMP 340.15
    cyclohexane 0.87
    DMSO 804.51
    n-butyl acetate 39.75
    n-octanol 10.24
    chloroform 51.76
    n-propyl acetate 41.79
    acetic acid 143.49
    dichloromethane 68.8
    cyclohexanone 143.51
    propylene glycol 45.48
    isopropyl acetate 47.98
    DMAc 820.75
    2-ethoxyethanol 148.1
    isopentanol 45.59
    n-heptane 0.52
    ethyl formate 39.75
    1,2-dichloroethane 78.09
    n-hexanol 24.46
    2-methoxyethanol 255.16
    isobutyl acetate 26.47
    tetrachloromethane 6.76
    n-pentyl acetate 27.97
    transcutol 380.66
    n-heptanol 14.9
    ethylbenzene 10.62
    MIBK 52.73
    2-propoxyethanol 101.27
    tert-butanol 54.63
    MTBE 34.71
    2-butoxyethanol 62.92
    propionic acid 65.93
    o-xylene 14.22
    formic acid 96.51
    diethyl ether 21.86
    m-xylene 11.84
    p-xylene 12.97
    chlorobenzene 20.56
    dimethyl carbonate 47.34
    n-octane 0.41
    formamide 185.7
    cyclopentanone 197.9
    2-pentanone 81.37
    anisole 34.02
    cyclopentyl methyl ether 55.17
    gamma-butyrolactone 186.23
    1-methoxy-2-propanol 171.94
    pyridine 68.76
    3-pentanone 58.4
    furfural 142.67
    n-dodecane 0.39
    diethylene glycol 88.89
    diisopropyl ether 7.11
    tert-amyl alcohol 55.46
    acetylacetone 134.73
    n-hexadecane 0.44
    acetophenone 53.48
    methyl propionate 71.39
    isopentyl acetate 43.13
    trichloroethylene 126.01
    n-nonanol 10.89
    cyclohexanol 37.55
    benzyl alcohol 45.66
    2-ethylhexanol 14.63
    isooctanol 13.79
    dipropyl ether 11.9
    1,2-dichlorobenzene 24.0
    ethyl lactate 37.07
    propylene carbonate 87.38
    n-methylformamide 161.87
    2-pentanol 24.3
    n-pentane 0.51
    1-propoxy-2-propanol 61.51
    1-methoxy-2-propyl acetate 74.25
    2-(2-methoxypropoxy) propanol 66.56
    mesitylene 7.48
    ε-caprolactone 113.48
    p-cymene 6.58
    epichlorohydrin 188.6
    1,1,1-trichloroethane 33.27
    2-aminoethanol 72.2
    morpholine-4-carbaldehyde 212.53
    sulfolane 301.24
    2,2,4-trimethylpentane 1.19
    2-methyltetrahydrofuran 75.62
    n-hexyl acetate 30.19
    isooctane 0.68
    2-(2-butoxyethoxy)ethanol 97.7
    sec-butyl acetate 32.5
    tert-butyl acetate 60.44
    decalin 1.66
    glycerin 76.04
    diglyme 184.58
    acrylic acid 58.73
    isopropyl myristate 11.09
    n-butyric acid 91.13
    acetyl acetate 40.32
    di(2-ethylhexyl) phthalate 18.58
    ethyl propionate 36.79
    nitromethane 236.23
    1,2-diethoxyethane 61.81
    benzonitrile 27.65
    trioctyl phosphate 11.5
    1-bromopropane 18.45
    gamma-valerolactone 277.4
    n-decanol 7.84
    triethyl phosphate 21.12
    4-methyl-2-pentanol 18.24
    propionitrile 20.45
    vinylene carbonate 61.57
    1,1,2-trichlorotrifluoroethane 170.65
    DMS 40.36
    cumene 8.97
    2-octanol 8.18
    2-hexanone 49.47
    octyl acetate 15.45
    limonene 9.05
    1,2-dimethoxyethane 165.71
    ethyl orthosilicate 21.46
    tributyl phosphate 16.12
    diacetone alcohol 110.77
    N,N-dimethylaniline 32.61
    acrylonitrile 32.32
    aniline 34.24
    1,3-propanediol 95.31
    bromobenzene 17.65
    dibromomethane 33.19
    1,1,2,2-tetrachloroethane 115.39
    2-methyl-cyclohexyl acetate 31.69
    tetrabutyl urea 25.7
    diisobutyl methanol 9.49
    2-phenylethanol 32.21
    styrene 12.2
    dioctyl adipate 23.75
    dimethyl sulfate 114.32
    ethyl butyrate 30.99
    methyl lactate 70.68
    butyl lactate 41.38
    diethyl carbonate 21.25
    propanediol butyl ether 59.28
    triethyl orthoformate 26.54
    p-tert-butyltoluene 6.52
    methyl 4-tert-butylbenzoate 52.2
    morpholine 116.38
    tert-butylamine 19.24
    n-dodecanol 5.54
    dimethoxymethane 208.52
    ethylene carbonate 50.43
    cyrene 77.0
    2-ethoxyethyl acetate 58.37
    2-ethylhexyl acetate 29.21
    1,2,4-trichlorobenzene 32.24
    4-methylpyridine 64.72
    dibutyl ether 12.11
    2,6-dimethyl-4-heptanol 9.49
    DEF 132.69
    dimethyl isosorbide 114.36
    tetrachloroethylene 74.05
    eugenol 51.27
    triacetin 51.75
    span 80 45.47
    1,4-butanediol 40.73
    1,1-dichloroethane 37.22
    2-methyl-1-pentanol 45.22
    methyl formate 93.5
    2-methyl-1-butanol 45.76
    n-decane 0.64
    butyronitrile 23.67
    3,7-dimethyl-1-octanol 13.13
    1-chlorooctane 4.2
    1-chlorotetradecane 1.83
    n-nonane 0.51
    undecane 0.48
    tert-butylcyclohexane 1.41
    cyclooctane 0.37
    cyclopentanol 47.3
    tetrahydropyran 49.83
    tert-amyl methyl ether 35.36
    2,5,8-trioxanonane 123.95
    1-hexene 5.59
    2-isopropoxyethanol 84.0
    2,2,2-trifluoroethanol 48.83
    methyl butyrate 59.71

    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