Ponceau 3R

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  • Identifiers

    CAS number
    3564-09-8

    Molecular formula
    C19H16N2Na2O7S2

    SMILES
    CC1=CC(=C(C=C1C)N=NC2=C3C=CC(=CC3=CC(=C2O)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]

    Safety labels

  • Odor profile

    Fragrance
    Odorless 77.3%
    Cooked 20.7%
    Bitter 19.36%
    Savory 19.12%
    Roasted 17.04%
    Burnt 15.59%
    Grape 15.14%
    Fatty 14.27%
    Milky 14.08%
    Meaty 13.49%

     

    Flavor
    Bitter 90.38%
    Odorless 31.88%
    Bland 20.97%
    Nitrile 20.38%
    Very strong 18.62%
    Taco 18.48%
    Bread crust 18.36%
    Indole 18.33%
    Cedarleaf 18.0%
    Roasted peanuts 17.91%

     

    Odor impact est.
    Odorless

  • Properties

    pKa est.
    4.22 (weak acid)

    Molecular weight
    494.5 g/mol

    Flash point

    • 310.1 ˚C est.

  • Synonyms

    • PONCEAU 3R
    • 3564-09-8
    • C.I. Food Red 6
    • Food Red 6
    • FD & C red no. 1
    • Ponceau RN
    • C.I. Food Red 6, disodium salt
    • Ponceau 3R Lake
    • Ponceau 3RN
    • Maple Ponceau 3R
    • Dolkwal Ponceau 3R
    • Usacert Red No. 1
    • CI 16155
    • FDC Red 1
    • Ponceau 3R sodium salt
    • D and C Red 15
    • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2,4,5-trimethylphenyl)azo)-, disodium salt
    • FA32R9S74X
    • DTXSID7021231
    • FD and C Red No. 1
    • A.F. Red No. 1
    • Ext D and C Red No. 15
    • C.I. 16155
    • 3-Hydroxy-4-((2,4,5-trimethylphenyl)azo)-2,7-naphthalenedisulfonic acid disodium salt
    • Sodium 3-hydroxy-4-((2,4,5-trimethylphenyl)diazenyl)naphthalene-2,7-disulfonate
    • Disodium 3-hydroxy-4-((2,4,5-trimethylphenyl)azo)-2,7-naphthalenedisulfonate
    • disodium 3-hydroxy-4-[(E)-(2,4,5-trimethylphenyl)diazenyl]naphthalene-2,7-disulfonate
    • disodium;3-hydroxy-4-[(2,4,5-trimethylphenyl)diazenyl]naphthalene-2,7-disulfonate
    • NSC-10461
    • CI Food 6
    • PONCEAU3R
    • AF Red No. 1
    • Cerven kumidinova [Czech]
    • CCRIS 527
    • C19H16N2Na2O7S2
    • CI Food Red 6, disodium salt
    • Cerven kumidinova
    • Cerven potravinarska 6 [Czech]
    • HSDB 2946
    • Disodium 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]-2,7-naphthalenedisulfonate
    • pon-ceau 3r
    • EINECS 222-638-0
    • NSC 10461
    • Cerven potravinarska 6
    • Sodium cumeneazo-beta-naphthol disulfonate
    • Sodium cumeneazo-beta-naphtholdisulphonate
    • starbld0009511
    • Sodium cumeneazo-beta-naphthol disulphonate
    • PONCEAU 3R [II]
    • PONCEAU 3R [MI]
    • PONCEAU 3R [HSDB]
    • PONCEAU 3R [IARC]
    • UNII-FA32R9S74X
    • AKA502
    • DTXCID801231
    • SCHEMBL1268487
    • SCHEMBL1268489
    • SCHEMBL3624402
    • CHEMBL3186386
    • Ponceau 3R, analytical standard
    • SCHEMBL29617554
    • RED NO. 502
    • CHEBI:176136
    • IZJTYWDKWZYJNW-GQKUHHGYSA-L
    • Tox21_202788
    • 3-Hydroxy-4((2,4,5-trimethylphenyl)azo)-2,7-naphthalenedisulfonic
    • MFCD00036432
    • FD&C RED NO. 1 (DELISTED)
    • 3-Hydroxy-4-((2,4,5-trimethylphenyl)azo)-2,7-naphthalenedisulphonic acid, disodium salt
    • C.I. FOOD RED 6 DISODIUM SALT
    • Disodium 3-hydroxy-4-((2,4,5-trimethylphenyl)azo)-2,7-naphthalenedisulphonate
    • Disodium 3-hydroxy-4-((2,4,5-trimethylphenyl)azo)naphthalene-2,7-disulphonate
    • NCGC00260334-01
    • CAS-3564-09-8
    • C.I.16155
    • NS00020802
    • NS00083141
    • G91152
    • disodium;(4Z)-3-oxo-4-[(2,4,5-trimethylphenyl)hydrazono]naphthalene-2,7-disulfonate
    • disodium;3-hydroxy-4-[(2,4,5-trimethylphenyl)diazenyl]naphthalene-2,7-disulonate
    • 2,7-NAPHTHALENEDISULFONIC ACID, 3-HYDROXY-4-(2-(2,4,5-TRIMETHYLPHENYL)DIAZENYL)-, SODIUM SALT (1:2)
    • 3564-09-8

  • Applications

    Ponceau 3R (CAS 3564-09-8) is a water-soluble synthetic azo dye used as a colorant across multiple industrial applications; typical sectors include textile dyeing, colorants for coatings and printing inks, pigment for plastics and polymers, colorant in cosmetics and personal care (subject to local regulations and formulation limits), and coloring in cleaning products, as well as use as a staining or analytical dye in laboratory and analytical settings.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 3.51
    methanol 4.3
    isopropanol 2.82
    water 0.0
    ethyl acetate 4.39
    n-propanol 3.25
    acetone 30.01
    n-butanol 1.52
    acetonitrile 6.05
    DMF 91.71
    toluene 0.87
    isobutanol 1.37
    1,4-dioxane 18.53
    methyl acetate 10.47
    THF 60.83
    2-butanone 19.64
    n-pentanol 1.32
    sec-butanol 2.32
    n-hexane 0.01
    ethylene glycol 1.69
    NMP 33.02
    cyclohexane 0.03
    DMSO 52.91
    n-butyl acetate 4.07
    n-octanol 0.91
    chloroform 4.84
    n-propyl acetate 4.52
    acetic acid 9.74
    dichloromethane 5.24
    cyclohexanone 12.7
    propylene glycol 3.52
    isopropyl acetate 3.17
    DMAc 64.84
    2-ethoxyethanol 13.0
    isopentanol 1.0
    n-heptane 0.03
    ethyl formate 4.08
    1,2-dichloroethane 3.73
    n-hexanol 1.01
    2-methoxyethanol 28.23
    isobutyl acetate 2.0
    tetrachloromethane 0.18
    n-pentyl acetate 3.82
    transcutol 24.6
    n-heptanol 1.05
    ethylbenzene 0.29
    MIBK 3.15
    2-propoxyethanol 17.24
    tert-butanol 2.54
    MTBE 1.77
    2-butoxyethanol 8.23
    propionic acid 4.68
    o-xylene 0.41
    formic acid 4.92
    diethyl ether 1.89
    m-xylene 0.41
    p-xylene 0.59
    chlorobenzene 1.25
    dimethyl carbonate 5.89
    n-octane 0.03
    formamide 13.28
    cyclopentanone 37.06
    2-pentanone 7.36
    anisole 2.73
    cyclopentyl methyl ether 3.03
    gamma-butyrolactone 31.24
    1-methoxy-2-propanol 20.0
    pyridine 16.39
    3-pentanone 5.07
    furfural 23.34
    n-dodecane 0.03
    diethylene glycol 12.52
    diisopropyl ether 0.32
    tert-amyl alcohol 1.98
    acetylacetone 18.38
    n-hexadecane 0.04
    acetophenone 4.17
    methyl propionate 6.2
    isopentyl acetate 3.25
    trichloroethylene 11.41
    n-nonanol 1.07
    cyclohexanol 1.01
    benzyl alcohol 2.81
    2-ethylhexanol 0.56
    isooctanol 0.72
    dipropyl ether 1.58
    1,2-dichlorobenzene 1.06
    ethyl lactate 3.62
    propylene carbonate 6.97
    n-methylformamide 22.46
    2-pentanol 0.87
    n-pentane 0.02
    1-propoxy-2-propanol 10.37
    1-methoxy-2-propyl acetate 9.18
    2-(2-methoxypropoxy) propanol 8.35
    mesitylene 0.21
    ε-caprolactone 8.65
    p-cymene 0.36
    epichlorohydrin 34.82
    1,1,1-trichloroethane 2.04
    2-aminoethanol 3.36
    morpholine-4-carbaldehyde 43.56
    sulfolane 34.55
    2,2,4-trimethylpentane 0.01
    2-methyltetrahydrofuran 8.27
    n-hexyl acetate 3.28
    isooctane 0.01
    2-(2-butoxyethoxy)ethanol 12.01
    sec-butyl acetate 2.1
    tert-butyl acetate 4.04
    decalin 0.02
    glycerin 7.38
    diglyme 22.62
    acrylic acid 6.36
    isopropyl myristate 1.68
    n-butyric acid 3.51
    acetyl acetate 3.62
    di(2-ethylhexyl) phthalate 2.1
    ethyl propionate 2.99
    nitromethane 41.74
    1,2-diethoxyethane 7.13
    benzonitrile 3.35
    trioctyl phosphate 1.39
    1-bromopropane 0.92
    gamma-valerolactone 61.08
    n-decanol 0.82
    triethyl phosphate 1.45
    4-methyl-2-pentanol 0.47
    propionitrile 4.23
    vinylene carbonate 6.78
    1,1,2-trichlorotrifluoroethane 20.15
    DMS 4.81
    cumene 0.18
    2-octanol 0.73
    2-hexanone 6.66
    octyl acetate 2.27
    limonene 0.41
    1,2-dimethoxyethane 23.47
    ethyl orthosilicate 1.27
    tributyl phosphate 1.71
    diacetone alcohol 9.63
    N,N-dimethylaniline 1.41
    acrylonitrile 9.64
    aniline 2.08
    1,3-propanediol 5.24
    bromobenzene 0.99
    dibromomethane 1.99
    1,1,2,2-tetrachloroethane 7.45
    2-methyl-cyclohexyl acetate 2.55
    tetrabutyl urea 4.19
    diisobutyl methanol 0.5
    2-phenylethanol 3.38
    styrene 0.48
    dioctyl adipate 3.06
    dimethyl sulfate 9.39
    ethyl butyrate 2.98
    methyl lactate 7.28
    butyl lactate 4.72
    diethyl carbonate 1.9
    propanediol butyl ether 6.94
    triethyl orthoformate 2.67
    p-tert-butyltoluene 0.38
    methyl 4-tert-butylbenzoate 5.35
    morpholine 22.31
    tert-butylamine 0.62
    n-dodecanol 0.58
    dimethoxymethane 28.14
    ethylene carbonate 4.36
    cyrene 9.77
    2-ethoxyethyl acetate 9.36
    2-ethylhexyl acetate 2.08
    1,2,4-trichlorobenzene 1.97
    4-methylpyridine 7.49
    dibutyl ether 1.26
    2,6-dimethyl-4-heptanol 0.5
    DEF 7.4
    dimethyl isosorbide 18.74
    tetrachloroethylene 2.66
    eugenol 7.19
    triacetin 5.91
    span 80 5.9
    1,4-butanediol 1.75
    1,1-dichloroethane 2.89
    2-methyl-1-pentanol 0.8
    methyl formate 17.76
    2-methyl-1-butanol 0.96
    n-decane 0.05
    butyronitrile 2.53
    3,7-dimethyl-1-octanol 0.79
    1-chlorooctane 0.35
    1-chlorotetradecane 0.18
    n-nonane 0.04
    undecane 0.04
    tert-butylcyclohexane 0.01
    cyclooctane 0.01
    cyclopentanol 2.83
    tetrahydropyran 5.8
    tert-amyl methyl ether 1.22
    2,5,8-trioxanonane 17.19
    1-hexene 0.14
    2-isopropoxyethanol 6.53
    2,2,2-trifluoroethanol 3.05
    methyl butyrate 4.31

    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