Ponceau 4R aluminum

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  • Identifiers

    CAS number
    12227-64-4

    Molecular formula
    C20H11AlN2O10S3

    SMILES
    C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Al+3]

    Safety labels

  • Odor profile

    Fragrance
    Odorless 83.98%
    Cooked 20.77%
    Savory 18.24%
    Bitter 17.34%
    Burnt 16.35%
    Roasted 13.84%
    Clean 13.11%
    Pungent 12.85%
    Milky 11.07%
    Grape 10.98%

     

    Flavor
    Bitter 90.65%
    Odorless 32.46%
    Bland 20.14%
    Nitrile 19.63%
    Very strong 17.61%
    Taco 17.46%
    Bread crust 17.38%
    Indole 17.33%
    Roasted peanuts 16.99%
    Rotten 16.94%

     

    Odor impact est.
    Odorless

  • Properties

    pKa est.
    2.06 (strong acid)

    Molecular weight
    562.5 g/mol

    Flash point

    • 425.68 ˚C est.

  • Synonyms

    • Ponceau 4R aluminum
    • K6DSC8J075
    • 12227-64-4
    • C.I. Food Red 7:1
    • EINECS 235-438-3
    • C.I. FOOD RED 7 ALUMINUM LAKE
    • C.I. 16255:1
    • Aluminum, (7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-1,3-naphthalenedisulfonato(3-))-
    • Aluminum, [7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonato(3-)]-
    • RefChem:867236
    • DTXCID901506371
    • Aluminum, 7-hydroxy-8-(4-sulfo-1-naphthalenyl)azo-1,3-naphthalenedisulfonato(3-)-
    • 235-438-3
    • DTXSID101127602
    • Ponceau 4r lake
    • UNII-K6DSC8J075
    • 11652 Dispersed Red
    • C.I.Food Red 7:1
    • SCHEMBL29912825
    • MFCD19443505
    • FF41311
    • F71253
    • Aluminum, [7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthal enedisulfonato(3-)]-; aluminum (E)-7-hydroxy-8-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1,3-disulfonate
    • 12227-64-4

  • Applications

    Ponceau 4R aluminum (CAS 12227-64-4) is the aluminum lake of the azo dye Ponceau 4R and provides a stable, insoluble colorant for a range of industrial and consumer formulations. Common applications include cosmetics and personal care (colorants for lipstick, eye makeup and other products), coatings and inks (pigment for decorative paints and packaging inks), polymers and plastics (colorant for resins, films and molded parts), textiles (colorant for synthetic fibers), and food processing where permitted by regulation (lake colorant in certain foods and beverages). It may also be used in some household products as a colorant for dry formulations. The aluminum lake form offers improved color stability in dry or semi-dry systems compared with soluble dyes, subject to local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2.02
    methanol 3.46
    isopropanol 0.99
    water 0.05
    ethyl acetate 1.45
    n-propanol 1.33
    acetone 5.92
    n-butanol 0.63
    acetonitrile 2.28
    DMF 75.44
    toluene 0.47
    isobutanol 0.55
    1,4-dioxane 9.0
    methyl acetate 4.05
    THF 15.3
    2-butanone 5.07
    n-pentanol 0.43
    sec-butanol 0.82
    n-hexane 0.01
    ethylene glycol 4.25
    NMP 39.01
    cyclohexane 0.03
    DMSO 17.42
    n-butyl acetate 1.49
    n-octanol 0.99
    chloroform 0.53
    n-propyl acetate 1.44
    acetic acid 4.7
    dichloromethane 0.77
    cyclohexanone 4.94
    propylene glycol 3.81
    isopropyl acetate 1.02
    DMAc 49.67
    2-ethoxyethanol 6.05
    isopentanol 0.36
    n-heptane 0.03
    ethyl formate 1.97
    1,2-dichloroethane 0.67
    n-hexanol 0.42
    2-methoxyethanol 19.28
    isobutyl acetate 0.51
    tetrachloromethane 0.04
    n-pentyl acetate 2.22
    transcutol 14.55
    n-heptanol 0.77
    ethylbenzene 0.13
    MIBK 0.87
    2-propoxyethanol 8.04
    tert-butanol 0.68
    MTBE 0.59
    2-butoxyethanol 5.63
    propionic acid 3.37
    o-xylene 0.27
    formic acid 7.24
    diethyl ether 0.96
    m-xylene 0.23
    p-xylene 0.17
    chlorobenzene 0.28
    dimethyl carbonate 4.74
    n-octane 0.03
    formamide 13.44
    cyclopentanone 12.37
    2-pentanone 2.25
    anisole 0.88
    cyclopentyl methyl ether 1.65
    gamma-butyrolactone 14.18
    1-methoxy-2-propanol 11.46
    pyridine 7.09
    3-pentanone 2.05
    furfural 12.38
    n-dodecane 0.03
    diethylene glycol 9.14
    diisopropyl ether 0.14
    tert-amyl alcohol 0.62
    acetylacetone 4.96
    n-hexadecane 0.04
    acetophenone 1.47
    methyl propionate 3.29
    isopentyl acetate 0.85
    trichloroethylene 1.6
    n-nonanol 1.06
    cyclohexanol 0.56
    benzyl alcohol 1.15
    2-ethylhexanol 0.25
    isooctanol 0.48
    dipropyl ether 0.98
    1,2-dichlorobenzene 0.22
    ethyl lactate 2.13
    propylene carbonate 2.82
    n-methylformamide 16.67
    2-pentanol 0.35
    n-pentane 0.02
    1-propoxy-2-propanol 5.67
    1-methoxy-2-propyl acetate 3.76
    2-(2-methoxypropoxy) propanol 5.4
    mesitylene 0.11
    ε-caprolactone 4.42
    p-cymene 0.18
    epichlorohydrin 7.91
    1,1,1-trichloroethane 0.17
    2-aminoethanol 3.82
    morpholine-4-carbaldehyde 42.87
    sulfolane 16.51
    2,2,4-trimethylpentane 0.01
    2-methyltetrahydrofuran 2.74
    n-hexyl acetate 2.19
    isooctane 0.0
    2-(2-butoxyethoxy)ethanol 8.07
    sec-butyl acetate 0.59
    tert-butyl acetate 1.09
    decalin 0.01
    glycerin 12.78
    diglyme 14.18
    acrylic acid 6.0
    isopropyl myristate 0.9
    n-butyric acid 1.59
    acetyl acetate 1.07
    di(2-ethylhexyl) phthalate 1.04
    ethyl propionate 1.14
    nitromethane 15.52
    1,2-diethoxyethane 3.12
    benzonitrile 1.32
    trioctyl phosphate 0.83
    1-bromopropane 0.2
    gamma-valerolactone 32.44
    n-decanol 0.76
    triethyl phosphate 0.59
    4-methyl-2-pentanol 0.15
    propionitrile 1.64
    vinylene carbonate 3.31
    1,1,2-trichlorotrifluoroethane 9.74
    DMS 2.94
    cumene 0.07
    2-octanol 0.59
    2-hexanone 1.45
    octyl acetate 1.44
    limonene 0.24
    1,2-dimethoxyethane 9.81
    ethyl orthosilicate 0.5
    tributyl phosphate 0.77
    diacetone alcohol 3.18
    N,N-dimethylaniline 0.7
    acrylonitrile 4.42
    aniline 1.11
    1,3-propanediol 3.58
    bromobenzene 0.18
    dibromomethane 0.29
    1,1,2,2-tetrachloroethane 1.25
    2-methyl-cyclohexyl acetate 0.8
    tetrabutyl urea 2.27
    diisobutyl methanol 0.18
    2-phenylethanol 1.18
    styrene 0.18
    dioctyl adipate 1.61
    dimethyl sulfate 7.14
    ethyl butyrate 1.14
    methyl lactate 6.59
    butyl lactate 3.01
    diethyl carbonate 0.74
    propanediol butyl ether 6.42
    triethyl orthoformate 1.14
    p-tert-butyltoluene 0.18
    methyl 4-tert-butylbenzoate 2.85
    morpholine 11.08
    tert-butylamine 0.21
    n-dodecanol 0.54
    dimethoxymethane 19.42
    ethylene carbonate 2.17
    cyrene 6.45
    2-ethoxyethyl acetate 5.43
    2-ethylhexyl acetate 0.64
    1,2,4-trichlorobenzene 0.47
    4-methylpyridine 3.06
    dibutyl ether 0.85
    2,6-dimethyl-4-heptanol 0.18
    DEF 5.31
    dimethyl isosorbide 8.72
    tetrachloroethylene 0.74
    eugenol 4.03
    triacetin 4.04
    span 80 4.5
    1,4-butanediol 1.3
    1,1-dichloroethane 0.33
    2-methyl-1-pentanol 0.25
    methyl formate 12.4
    2-methyl-1-butanol 0.43
    n-decane 0.06
    butyronitrile 0.81
    3,7-dimethyl-1-octanol 0.45
    1-chlorooctane 0.26
    1-chlorotetradecane 0.12
    n-nonane 0.04
    undecane 0.04
    tert-butylcyclohexane 0.01
    cyclooctane 0.01
    cyclopentanol 1.39
    tetrahydropyran 2.26
    tert-amyl methyl ether 0.56
    2,5,8-trioxanonane 10.47
    1-hexene 0.05
    2-isopropoxyethanol 2.82
    2,2,2-trifluoroethanol 2.33
    methyl butyrate 1.55

    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