Ethyl guaiazulene sulfonate

Overview IFRA Request a quote

  • Identifiers

    CAS number
    6223-36-5

    Molecular formula
    C17H22O3S

    SMILES
    CCOS(=O)(=O)C1=CC(=C2C1=C(C=CC(=C2)C(C)C)C)C

    Safety labels

  • Odor profile

    Fragrance
    Odorless 37.7%
    Fruity 26.03%
    Fresh 23.49%
    Grape 21.95%
    Fatty 21.83%
    Green 21.4%
    Dry 20.61%
    Floral 20.46%
    Citrus 20.42%
    Animal 20.3%

     

    Flavor
    Bitter 70.96%
    Cedarleaf 19.77%
    Heather 19.57%
    Nitrile 19.41%
    Broom 19.4%
    Genet 19.32%
    Lovage 19.24%
    Parsley 19.15%
    Odorless 18.72%
    Ripe apricot 18.7%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    4.4

    pKa est.
    7.74 (neutral)

    Molecular weight
    306.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    456°C

    Flash point

    • 196.18 ˚C est.

  • Synonyms

    • Ethyl guaiazulene sulfonate
    • 6223-36-5
    • UNII-14E9ARC8U7
    • 14E9ARC8U7
    • 1-Azulenesulfonic acid, 3,8-dimethyl-5-(1-methylethyl)-, ethyl ester
    • 1-Azulenesulfonic acid, 5-isopropyl-3,8-dimethyl-, ethyl ester
    • ethyl 3,8-dimethyl-5-(propan-2-yl)azulene-1-sulfonate
    • SCHEMBL17229424
    • DTXSID50211280
    • Q27251618
    • ETHYL 5-ISOPROPYL-3,8-DIMETHYLAZULENE-1-SULFONATE
    • 6223-36-5

  • Applications

    Ethyl guaiazulene sulfonate is a water-soluble dye/colorant derived from guaiazulene and is commonly used in cosmetics and personal care formulations to provide stable, distinctive coloration. It is also employed as a pigment/additive in coatings and inks, including water-based paints and printing inks, to impart vibrant color. In polymers and plastics, it serves as a soluble colorant to achieve hue in molded or extruded products. It can function as an intermediate in azulene-based dye chemistry, enabling synthesis of related dyes and pigments. In household products, it may be used as a colorant in cleaners or detergents where permitted by regulations; all use is subject to local regulations and formulation limits. CAS 6223-36-5.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 167.97
    methanol 142.35
    isopropanol 132.5
    water 0.06
    ethyl acetate 187.74
    n-propanol 174.07
    acetone 330.79
    n-butanol 163.92
    acetonitrile 125.48
    DMF 865.55
    toluene 217.06
    isobutanol 116.89
    1,4-dioxane 458.07
    methyl acetate 232.94
    THF 699.57
    2-butanone 418.76
    n-pentanol 125.39
    sec-butanol 148.07
    n-hexane 2.72
    ethylene glycol 19.76
    NMP 607.3
    cyclohexane 12.39
    DMSO 214.54
    n-butyl acetate 156.2
    n-octanol 54.71
    chloroform 609.44
    n-propyl acetate 138.62
    acetic acid 71.74
    dichloromethane 519.85
    cyclohexanone 578.75
    propylene glycol 42.06
    isopropyl acetate 117.23
    DMAc 617.81
    2-ethoxyethanol 160.71
    isopentanol 112.95
    n-heptane 2.69
    ethyl formate 148.72
    1,2-dichloroethane 395.52
    n-hexanol 131.62
    2-methoxyethanol 256.14
    isobutyl acetate 108.67
    tetrachloromethane 36.75
    n-pentyl acetate 145.46
    transcutol 123.85
    n-heptanol 70.01
    ethylbenzene 76.13
    MIBK 126.53
    2-propoxyethanol 212.05
    tert-butanol 103.37
    MTBE 115.84
    2-butoxyethanol 126.32
    propionic acid 91.49
    o-xylene 76.4
    formic acid 22.67
    diethyl ether 132.41
    m-xylene 80.18
    p-xylene 97.15
    chlorobenzene 270.92
    dimethyl carbonate 93.03
    n-octane 2.81
    formamide 63.6
    cyclopentanone 676.24
    2-pentanone 275.89
    anisole 166.51
    cyclopentyl methyl ether 195.8
    gamma-butyrolactone 510.67
    1-methoxy-2-propanol 179.57
    pyridine 652.78
    3-pentanone 208.77
    furfural 425.29
    n-dodecane 3.37
    diethylene glycol 117.74
    diisopropyl ether 28.04
    tert-amyl alcohol 108.24
    acetylacetone 240.15
    n-hexadecane 4.19
    acetophenone 180.14
    methyl propionate 196.5
    isopentyl acetate 142.67
    trichloroethylene 790.16
    n-nonanol 51.75
    cyclohexanol 148.12
    benzyl alcohol 178.7
    2-ethylhexanol 67.76
    isooctanol 54.9
    dipropyl ether 48.06
    1,2-dichlorobenzene 190.96
    ethyl lactate 66.57
    propylene carbonate 250.57
    n-methylformamide 247.16
    2-pentanol 85.99
    n-pentane 3.46
    1-propoxy-2-propanol 120.23
    1-methoxy-2-propyl acetate 144.34
    2-(2-methoxypropoxy) propanol 83.93
    mesitylene 35.74
    ε-caprolactone 395.29
    p-cymene 38.12
    epichlorohydrin 648.15
    1,1,1-trichloroethane 217.82
    2-aminoethanol 60.5
    morpholine-4-carbaldehyde 495.81
    sulfolane 400.52
    2,2,4-trimethylpentane 3.42
    2-methyltetrahydrofuran 395.41
    n-hexyl acetate 136.58
    isooctane 2.12
    2-(2-butoxyethoxy)ethanol 102.79
    sec-butyl acetate 96.66
    tert-butyl acetate 107.78
    decalin 7.21
    glycerin 46.65
    diglyme 178.1
    acrylic acid 79.41
    isopropyl myristate 49.26
    n-butyric acid 145.27
    acetyl acetate 100.05
    di(2-ethylhexyl) phthalate 62.78
    ethyl propionate 110.88
    nitromethane 203.62
    1,2-diethoxyethane 107.23
    benzonitrile 236.69
    trioctyl phosphate 43.47
    1-bromopropane 175.35
    gamma-valerolactone 800.2
    n-decanol 39.41
    triethyl phosphate 49.7
    4-methyl-2-pentanol 45.47
    propionitrile 157.52
    vinylene carbonate 253.59
    1,1,2-trichlorotrifluoroethane 226.26
    DMS 131.35
    cumene 39.32
    2-octanol 57.98
    2-hexanone 183.23
    octyl acetate 69.63
    limonene 49.02
    1,2-dimethoxyethane 271.69
    ethyl orthosilicate 46.23
    tributyl phosphate 45.28
    diacetone alcohol 133.84
    N,N-dimethylaniline 95.09
    acrylonitrile 204.97
    aniline 200.64
    1,3-propanediol 111.1
    bromobenzene 279.0
    dibromomethane 310.34
    1,1,2,2-tetrachloroethane 539.28
    2-methyl-cyclohexyl acetate 95.5
    tetrabutyl urea 72.08
    diisobutyl methanol 30.89
    2-phenylethanol 180.43
    styrene 100.87
    dioctyl adipate 68.76
    dimethyl sulfate 124.36
    ethyl butyrate 93.67
    methyl lactate 79.53
    butyl lactate 92.8
    diethyl carbonate 66.36
    propanediol butyl ether 94.82
    triethyl orthoformate 65.21
    p-tert-butyltoluene 34.5
    methyl 4-tert-butylbenzoate 110.81
    morpholine 570.32
    tert-butylamine 50.3
    n-dodecanol 29.17
    dimethoxymethane 301.55
    ethylene carbonate 198.07
    cyrene 151.3
    2-ethoxyethyl acetate 182.07
    2-ethylhexyl acetate 123.46
    1,2,4-trichlorobenzene 227.53
    4-methylpyridine 592.29
    dibutyl ether 47.92
    2,6-dimethyl-4-heptanol 30.89
    DEF 295.09
    dimethyl isosorbide 171.93
    tetrachloroethylene 266.36
    eugenol 119.29
    triacetin 101.32
    span 80 83.03
    1,4-butanediol 56.53
    1,1-dichloroethane 313.57
    2-methyl-1-pentanol 109.32
    methyl formate 175.68
    2-methyl-1-butanol 123.6
    n-decane 5.36
    butyronitrile 174.75
    3,7-dimethyl-1-octanol 46.57
    1-chlorooctane 36.56
    1-chlorotetradecane 15.17
    n-nonane 4.34
    undecane 4.19
    tert-butylcyclohexane 5.43
    cyclooctane 2.75
    cyclopentanol 178.19
    tetrahydropyran 456.38
    tert-amyl methyl ether 90.75
    2,5,8-trioxanonane 127.24
    1-hexene 29.5
    2-isopropoxyethanol 121.88
    2,2,2-trifluoroethanol 32.29
    methyl butyrate 172.44

    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