C.I.Food Red 9:1

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  • Identifiers

    CAS number
    12227-62-2

    Molecular formula
    C20H14AlN2O10S3+3

    SMILES
    C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O.[Al+3]

    Safety labels

  • Odor profile

    Fragrance
    Odorless 84.84%
    Cooked 22.34%
    Savory 18.6%
    Burnt 17.45%
    Bitter 16.71%
    Roasted 16.01%
    Sulfurous 15.51%
    Clean 13.5%
    Pungent 13.11%
    Meaty 12.96%

     

    Flavor
    Bitter 91.27%
    Odorless 32.25%
    Bland 22.29%
    Nitrile 19.94%
    Very strong 17.9%
    Bread crust 17.62%
    Indole 17.6%
    Taco 17.52%
    Formyl 17.28%
    Rotten 17.18%

     

    Odor impact est.
    Odorless

  • Properties

    pKa est.
    6.11 (neutral)

    Molecular weight
    565.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    1157°C

    Flash point

    • 430.05 ˚C est.

  • Synonyms

    • C.I.Food Red 9:1
    • FF41312
    • 12227-62-2
    • 12227-62-2

  • Applications

    Primarily used as a color additive in foods and beverages to impart a red hue, C.I.Food Red 9:1 (CAS 12227-62-2) is also employed as a cosmetic and personal care colorant, appearing in certain makeup and skincare formulations where permitted by regulations. It serves as a pigment in plastics and polymer materials, enabling colored components in consumer products. In coatings and inks, including packaging and decorative finishes, it provides stable coloration. Where allowed, it may be used as a colorant in pharmaceutical formulations and associated dosage forms, such as tablets and capsules. Its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2.26
    methanol 3.26
    isopropanol 1.18
    water 0.02
    ethyl acetate 0.73
    n-propanol 1.66
    acetone 4.87
    n-butanol 0.77
    acetonitrile 0.95
    DMF 42.64
    toluene 0.14
    isobutanol 0.53
    1,4-dioxane 5.38
    methyl acetate 1.64
    THF 14.1
    2-butanone 3.96
    n-pentanol 0.39
    sec-butanol 0.93
    n-hexane 0.0
    ethylene glycol 2.82
    NMP 17.87
    cyclohexane 0.01
    DMSO 22.79
    n-butyl acetate 0.83
    n-octanol 0.62
    chloroform 0.14
    n-propyl acetate 0.74
    acetic acid 3.14
    dichloromethane 0.2
    cyclohexanone 3.26
    propylene glycol 3.44
    isopropyl acetate 0.53
    DMAc 27.31
    2-ethoxyethanol 5.26
    isopentanol 0.33
    n-heptane 0.01
    ethyl formate 1.19
    1,2-dichloroethane 0.21
    n-hexanol 0.32
    2-methoxyethanol 17.37
    isobutyl acetate 0.21
    tetrachloromethane 0.01
    n-pentyl acetate 1.22
    transcutol 10.09
    n-heptanol 0.55
    ethylbenzene 0.04
    MIBK 0.54
    2-propoxyethanol 6.72
    tert-butanol 0.6
    MTBE 0.27
    2-butoxyethanol 4.18
    propionic acid 1.75
    o-xylene 0.07
    formic acid 4.76
    diethyl ether 0.52
    m-xylene 0.06
    p-xylene 0.05
    chlorobenzene 0.07
    dimethyl carbonate 1.39
    n-octane 0.01
    formamide 9.21
    cyclopentanone 9.61
    2-pentanone 1.68
    anisole 0.3
    cyclopentyl methyl ether 0.76
    gamma-butyrolactone 8.15
    1-methoxy-2-propanol 9.55
    pyridine 3.44
    3-pentanone 1.02
    furfural 6.15
    n-dodecane 0.01
    diethylene glycol 6.35
    diisopropyl ether 0.06
    tert-amyl alcohol 0.49
    acetylacetone 3.07
    n-hexadecane 0.01
    acetophenone 0.56
    methyl propionate 1.47
    isopentyl acetate 0.43
    trichloroethylene 0.46
    n-nonanol 0.67
    cyclohexanol 0.39
    benzyl alcohol 0.55
    2-ethylhexanol 0.14
    isooctanol 0.28
    dipropyl ether 0.54
    1,2-dichlorobenzene 0.05
    ethyl lactate 0.98
    propylene carbonate 1.39
    n-methylformamide 10.44
    2-pentanol 0.31
    n-pentane 0.01
    1-propoxy-2-propanol 4.45
    1-methoxy-2-propyl acetate 2.04
    2-(2-methoxypropoxy) propanol 3.22
    mesitylene 0.03
    ε-caprolactone 2.39
    p-cymene 0.05
    epichlorohydrin 4.56
    1,1,1-trichloroethane 0.04
    2-aminoethanol 3.4
    morpholine-4-carbaldehyde 20.06
    sulfolane 10.83
    2,2,4-trimethylpentane 0.0
    2-methyltetrahydrofuran 1.88
    n-hexyl acetate 1.2
    isooctane 0.0
    2-(2-butoxyethoxy)ethanol 5.74
    sec-butyl acetate 0.27
    tert-butyl acetate 0.5
    decalin 0.0
    glycerin 9.39
    diglyme 8.5
    acrylic acid 2.41
    isopropyl myristate 0.45
    n-butyric acid 1.26
    acetyl acetate 0.42
    di(2-ethylhexyl) phthalate 0.45
    ethyl propionate 0.5
    nitromethane 8.95
    1,2-diethoxyethane 1.97
    benzonitrile 0.48
    trioctyl phosphate 0.41
    1-bromopropane 0.08
    gamma-valerolactone 24.3
    n-decanol 0.46
    triethyl phosphate 0.21
    4-methyl-2-pentanol 0.11
    propionitrile 0.84
    vinylene carbonate 1.32
    1,1,2-trichlorotrifluoroethane 4.83
    DMS 0.78
    cumene 0.02
    2-octanol 0.39
    2-hexanone 1.02
    octyl acetate 0.77
    limonene 0.07
    1,2-dimethoxyethane 6.77
    ethyl orthosilicate 0.19
    tributyl phosphate 0.38
    diacetone alcohol 2.04
    N,N-dimethylaniline 0.21
    acrylonitrile 1.87
    aniline 0.43
    1,3-propanediol 4.47
    bromobenzene 0.04
    dibromomethane 0.09
    1,1,2,2-tetrachloroethane 0.38
    2-methyl-cyclohexyl acetate 0.35
    tetrabutyl urea 1.23
    diisobutyl methanol 0.1
    2-phenylethanol 0.61
    styrene 0.05
    dioctyl adipate 0.75
    dimethyl sulfate 1.84
    ethyl butyrate 0.61
    methyl lactate 3.02
    butyl lactate 1.83
    diethyl carbonate 0.32
    propanediol butyl ether 4.78
    triethyl orthoformate 0.56
    p-tert-butyltoluene 0.05
    methyl 4-tert-butylbenzoate 1.08
    morpholine 8.58
    tert-butylamine 0.13
    n-dodecanol 0.3
    dimethoxymethane 9.58
    ethylene carbonate 0.93
    cyrene 3.13
    2-ethoxyethyl acetate 2.6
    2-ethylhexyl acetate 0.31
    1,2,4-trichlorobenzene 0.09
    4-methylpyridine 1.35
    dibutyl ether 0.48
    2,6-dimethyl-4-heptanol 0.1
    DEF 2.62
    dimethyl isosorbide 4.29
    tetrachloroethylene 0.21
    eugenol 1.74
    triacetin 1.44
    span 80 2.55
    1,4-butanediol 1.08
    1,1-dichloroethane 0.11
    2-methyl-1-pentanol 0.18
    methyl formate 5.94
    2-methyl-1-butanol 0.36
    n-decane 0.02
    butyronitrile 0.6
    3,7-dimethyl-1-octanol 0.25
    1-chlorooctane 0.1
    1-chlorotetradecane 0.04
    n-nonane 0.02
    undecane 0.02
    tert-butylcyclohexane 0.0
    cyclooctane 0.0
    cyclopentanol 1.17
    tetrahydropyran 1.51
    tert-amyl methyl ether 0.24
    2,5,8-trioxanonane 6.04
    1-hexene 0.03
    2-isopropoxyethanol 1.96
    2,2,2-trifluoroethanol 1.08
    methyl butyrate 0.82

    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