HC Violet No. 1

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  • Identifiers

    CAS number
    82576-75-8

    Molecular formula
    C9H13N3O3

    SMILES
    CC1=CC(=C(C=C1NCCO)[N+](=O)[O-])N

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 55.81%
    Sweet 31.27%
    Grape 26.7%
    Savory 25.18%
    Musk 22.03%
    Animal 21.06%
    Meaty 21.01%
    Milky 20.83%
    Bitter 20.36%
    Fatty 18.33%

     

    Flavor
    Odorless 57.74%
    Bitter 57.2%
    Mild 37.52%
    Bland 25.88%
    Sweet-like 23.11%
    Very mild 22.12%
    Orange flower 20.5%
    Yeast 20.3%
    Nitrile 20.09%
    Bread crust 19.79%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    1.3

    pKa est.
    8.12 (weak base)

    Molecular weight
    211.22 g/mol

    Flash point

    • 211.47 ˚C est.

  • Synonyms

    • 2-((4-Amino-2-methyl-5-nitrophenyl)amino)ethanol
    • 82576-75-8
    • HC Violet no. 1
    • Imexine FAA
    • HC Violet 1
    • UNII-0R7XO4T22K
    • 0R7XO4T22K
    • Ethanol, 2-((4-amino-2-methyl-5-nitrophenyl)amino)-
    • 4-Amino-3-methyl-4-(2-hydroxyethyl)amino-6-nitrobenzene
    • DTXSID50231887
    • RefChem:145375
    • DTXCID80154378
    • HC VIOLET NO. 1 [INCI]
    • 417-600-7
    • 2-(4-amino-2-methyl-5-nitroanilino)ethanol
    • MFCD14155958
    • 2-[(4-Amino-2-methyl-5-nitrylbenzyl)amino]ethylalcohol
    • SCHEMBL111935
    • SCHEMBL29391950
    • LGZSBRSLVPLNTM-UHFFFAOYSA-N
    • AKOS015999558
    • FA146928
    • 2-(4-amino-2-methyl-5-nitro-anilino)ethanol
    • F73751
    • 2-(4-Amino-2-methyl-5-nitroanilino)ethan-1-ol
    • 2-((4-amino-2-methyl-5-nitrophenyl)amino)ethan-1-ol
    • Q27237127
    • 82576-75-8

  • Applications

    HC Violet No. 1 (CAS 82576-75-8) is used as a colorant in coatings and inks, as a pigment for polymers and plastics (e.g., in masterbatches and resin formulations), for textile dyeing or printing on fabrics, may be used in cosmetics and personal care products as an approved colorant under applicable regulations, and can serve as an analytical dye or laboratory staining/coloring reagent.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2.84
    methanol 7.8
    isopropanol 1.86
    water 1.29
    ethyl acetate 11.89
    n-propanol 1.9
    acetone 13.17
    n-butanol 1.87
    acetonitrile 5.67
    DMF 73.97
    toluene 1.27
    isobutanol 1.98
    1,4-dioxane 5.68
    methyl acetate 10.23
    THF 40.24
    2-butanone 10.54
    n-pentanol 2.52
    sec-butanol 1.63
    n-hexane 0.04
    ethylene glycol 9.8
    NMP 186.99
    cyclohexane 0.04
    DMSO 188.83
    n-butyl acetate 8.45
    n-octanol 1.72
    chloroform 1.15
    n-propyl acetate 6.47
    acetic acid 37.01
    dichloromethane 2.83
    cyclohexanone 22.52
    propylene glycol 10.23
    isopropyl acetate 6.54
    DMAc 155.3
    2-ethoxyethanol 24.19
    isopentanol 3.79
    n-heptane 0.11
    ethyl formate 10.92
    1,2-dichloroethane 3.23
    n-hexanol 4.92
    2-methoxyethanol 50.7
    isobutyl acetate 4.15
    tetrachloromethane 0.49
    n-pentyl acetate 4.33
    transcutol 41.58
    n-heptanol 3.3
    ethylbenzene 1.02
    MIBK 7.9
    2-propoxyethanol 29.71
    tert-butanol 6.78
    MTBE 1.92
    2-butoxyethanol 13.9
    propionic acid 12.92
    o-xylene 2.01
    formic acid 63.71
    diethyl ether 0.74
    m-xylene 2.31
    p-xylene 1.65
    chlorobenzene 2.07
    dimethyl carbonate 12.81
    n-octane 0.06
    formamide 80.94
    cyclopentanone 58.84
    2-pentanone 9.07
    anisole 4.96
    cyclopentyl methyl ether 7.24
    gamma-butyrolactone 106.09
    1-methoxy-2-propanol 31.44
    pyridine 7.3
    3-pentanone 6.01
    furfural 71.71
    n-dodecane 0.07
    diethylene glycol 42.95
    diisopropyl ether 0.66
    tert-amyl alcohol 5.3
    acetylacetone 33.23
    n-hexadecane 0.08
    acetophenone 12.94
    methyl propionate 14.77
    isopentyl acetate 9.55
    trichloroethylene 8.13
    n-nonanol 1.96
    cyclohexanol 2.7
    benzyl alcohol 9.17
    2-ethylhexanol 3.84
    isooctanol 3.21
    dipropyl ether 1.93
    1,2-dichlorobenzene 3.36
    ethyl lactate 13.05
    propylene carbonate 41.09
    n-methylformamide 36.94
    2-pentanol 1.31
    n-pentane 0.02
    1-propoxy-2-propanol 17.6
    1-methoxy-2-propyl acetate 20.94
    2-(2-methoxypropoxy) propanol 19.69
    mesitylene 1.57
    ε-caprolactone 30.23
    p-cymene 2.3
    epichlorohydrin 46.47
    1,1,1-trichloroethane 2.51
    2-aminoethanol 11.8
    morpholine-4-carbaldehyde 87.92
    sulfolane 165.37
    2,2,4-trimethylpentane 0.08
    2-methyltetrahydrofuran 14.04
    n-hexyl acetate 5.12
    isooctane 0.08
    2-(2-butoxyethoxy)ethanol 20.81
    sec-butyl acetate 4.31
    tert-butyl acetate 11.03
    decalin 0.14
    glycerin 37.88
    diglyme 36.38
    acrylic acid 19.25
    isopropyl myristate 2.48
    n-butyric acid 16.67
    acetyl acetate 11.81
    di(2-ethylhexyl) phthalate 7.02
    ethyl propionate 6.79
    nitromethane 89.7
    1,2-diethoxyethane 5.57
    benzonitrile 7.31
    trioctyl phosphate 4.44
    1-bromopropane 0.56
    gamma-valerolactone 84.95
    n-decanol 1.59
    triethyl phosphate 8.54
    4-methyl-2-pentanol 2.15
    propionitrile 2.91
    vinylene carbonate 28.01
    1,1,2-trichlorotrifluoroethane 53.02
    DMS 12.33
    cumene 1.28
    2-octanol 1.56
    2-hexanone 6.16
    octyl acetate 3.78
    limonene 2.49
    1,2-dimethoxyethane 23.16
    ethyl orthosilicate 6.67
    tributyl phosphate 4.89
    diacetone alcohol 30.33
    N,N-dimethylaniline 5.2
    acrylonitrile 8.18
    aniline 3.88
    1,3-propanediol 17.85
    bromobenzene 1.63
    dibromomethane 1.18
    1,1,2,2-tetrachloroethane 5.83
    2-methyl-cyclohexyl acetate 10.46
    tetrabutyl urea 8.4
    diisobutyl methanol 2.45
    2-phenylethanol 11.13
    styrene 0.91
    dioctyl adipate 6.35
    dimethyl sulfate 54.09
    ethyl butyrate 7.85
    methyl lactate 26.05
    butyl lactate 8.97
    diethyl carbonate 7.23
    propanediol butyl ether 12.66
    triethyl orthoformate 6.72
    p-tert-butyltoluene 2.06
    methyl 4-tert-butylbenzoate 16.69
    morpholine 10.91
    tert-butylamine 1.42
    n-dodecanol 1.2
    dimethoxymethane 21.64
    ethylene carbonate 19.79
    cyrene 41.94
    2-ethoxyethyl acetate 10.28
    2-ethylhexyl acetate 6.5
    1,2,4-trichlorobenzene 5.7
    4-methylpyridine 9.29
    dibutyl ether 1.12
    2,6-dimethyl-4-heptanol 2.45
    DEF 21.49
    dimethyl isosorbide 44.44
    tetrachloroethylene 3.78
    eugenol 17.4
    triacetin 12.99
    span 80 13.38
    1,4-butanediol 8.27
    1,1-dichloroethane 1.32
    2-methyl-1-pentanol 4.42
    methyl formate 32.78
    2-methyl-1-butanol 2.86
    n-decane 0.09
    butyronitrile 2.88
    3,7-dimethyl-1-octanol 2.45
    1-chlorooctane 0.53
    1-chlorotetradecane 0.33
    n-nonane 0.07
    undecane 0.08
    tert-butylcyclohexane 0.15
    cyclooctane 0.04
    cyclopentanol 6.05
    tetrahydropyran 2.01
    tert-amyl methyl ether 2.48
    2,5,8-trioxanonane 31.92
    1-hexene 0.2
    2-isopropoxyethanol 15.21
    2,2,2-trifluoroethanol 27.39
    methyl butyrate 10.16

    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