HC Blue 11

Overview IFRA Request a quote

  • Identifiers

    CAS number
    23920-15-2

    Molecular formula
    C13H22ClN3O5

    SMILES
    COCCNC1=C(C=C(C=C1)N(CCO)CCO)[N+](=O)[O-].Cl

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 48.86%
    Sweet 39.5%
    Fishy 27.17%
    Savory 25.98%
    Alcoholic 20.65%
    Cooling 20.49%
    Milky 20.32%
    Animal 18.62%
    Meaty 17.89%
    Bitter 17.57%

     

    Flavor
    Odorless 55.63%
    Bitter 49.08%
    Mild 33.23%
    Bland 27.93%
    Sweet-like 25.26%
    Very mild 21.43%
    Orange flower 20.12%
    Yeast 20.12%
    Very slight 19.52%
    Nitrile 19.24%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    7.76 (neutral)

    Molecular weight
    335.78 g/mol

    Flash point

    • 251.16 ˚C est.

  • Synonyms

    • HC Blue no. 11
    • Colorex HCB11
    • HC Blue 11
    • UNII-83ZYM95HPE
    • 83ZYM95HPE
    • Ethanol, 2,2'-((4-((2-methoxyethyl)amino)-3-nitrophenyl)imino)bis-, monohydrochloride
    • DTXSID30238394
    • DTXSID60879794
    • RefChem:145364
    • DTXCID10207886
    • DTXCID50160885
    • HC BLUE NO. 11 [INCI]
    • 459-980-7
    • 23920-15-2
    • 910463-51-3
    • 2-[N-(2-hydroxyethyl)-4-(2-methoxyethylamino)-3-nitroanilino]ethanol;hydrochloride
    • Ethanol, 2,2'-[[4-[(2-methoxyethyl)imino]-3-nitrophenyl]amino]bis-, hydrochloride (1:1)
    • Q27269459
    • 2,2'-({4-[(2-Methoxyethyl)amino]-3-nitrophenyl}azanediyl)di(ethan-1-ol)--hydrogen chloride (1/1)
    • 23920-15-2

  • Applications

    HC Blue 11 (CAS 23920-15-2) is used as a synthetic dye/colorant across multiple applications, principally as a colorant in textiles and textile printing; in inks and graphic arts, it is used in ink formulations and coatings; as a colorant for paints, varnishes, and coatings; as a colorant for plastics and other polymer materials; for paper and packaging, coloring paper and coated papers; it may be used as an intermediate in pigment synthesis or for other color formulations, subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 7.32
    methanol 23.05
    isopropanol 2.79
    water 8.61
    ethyl acetate 8.18
    n-propanol 5.07
    acetone 10.83
    n-butanol 3.48
    acetonitrile 7.26
    DMF 113.17
    toluene 1.84
    isobutanol 3.46
    1,4-dioxane 7.69
    methyl acetate 11.05
    THF 14.34
    2-butanone 8.2
    n-pentanol 3.49
    sec-butanol 2.95
    n-hexane 0.11
    ethylene glycol 28.49
    NMP 187.44
    cyclohexane 0.29
    DMSO 252.26
    n-butyl acetate 4.46
    n-octanol 1.54
    chloroform 9.84
    n-propyl acetate 4.78
    acetic acid 81.58
    dichloromethane 17.18
    cyclohexanone 24.16
    propylene glycol 18.03
    isopropyl acetate 4.5
    DMAc 198.23
    2-ethoxyethanol 24.95
    isopentanol 3.47
    n-heptane 0.19
    ethyl formate 10.93
    1,2-dichloroethane 13.94
    n-hexanol 2.81
    2-methoxyethanol 45.39
    isobutyl acetate 2.93
    tetrachloromethane 2.22
    n-pentyl acetate 2.7
    transcutol 41.61
    n-heptanol 2.07
    ethylbenzene 1.46
    MIBK 4.03
    2-propoxyethanol 17.19
    tert-butanol 4.57
    MTBE 1.69
    2-butoxyethanol 9.11
    propionic acid 23.82
    o-xylene 3.02
    formic acid 153.81
    diethyl ether 1.3
    m-xylene 2.26
    p-xylene 2.23
    chlorobenzene 3.66
    dimethyl carbonate 15.32
    n-octane 0.11
    formamide 155.21
    cyclopentanone 32.3
    2-pentanone 5.16
    anisole 3.84
    cyclopentyl methyl ether 5.5
    gamma-butyrolactone 61.45
    1-methoxy-2-propanol 21.0
    pyridine 11.94
    3-pentanone 6.49
    furfural 55.55
    n-dodecane 0.11
    diethylene glycol 37.16
    diisopropyl ether 0.7
    tert-amyl alcohol 4.64
    acetylacetone 17.4
    n-hexadecane 0.12
    acetophenone 11.13
    methyl propionate 13.75
    isopentyl acetate 4.57
    trichloroethylene 26.99
    n-nonanol 1.75
    cyclohexanol 5.9
    benzyl alcohol 9.83
    2-ethylhexanol 2.3
    isooctanol 1.98
    dipropyl ether 1.83
    1,2-dichlorobenzene 5.69
    ethyl lactate 12.13
    propylene carbonate 28.34
    n-methylformamide 52.01
    2-pentanol 1.65
    n-pentane 0.11
    1-propoxy-2-propanol 9.57
    1-methoxy-2-propyl acetate 11.21
    2-(2-methoxypropoxy) propanol 16.14
    mesitylene 1.67
    ε-caprolactone 25.24
    p-cymene 2.12
    epichlorohydrin 33.62
    1,1,1-trichloroethane 7.29
    2-aminoethanol 24.93
    morpholine-4-carbaldehyde 82.0
    sulfolane 136.85
    2,2,4-trimethylpentane 0.17
    2-methyltetrahydrofuran 7.4
    n-hexyl acetate 3.44
    isooctane 0.09
    2-(2-butoxyethoxy)ethanol 16.16
    sec-butyl acetate 3.09
    tert-butyl acetate 5.62
    decalin 0.3
    glycerin 56.06
    diglyme 28.75
    acrylic acid 40.39
    isopropyl myristate 1.84
    n-butyric acid 16.15
    acetyl acetate 11.56
    di(2-ethylhexyl) phthalate 5.16
    ethyl propionate 5.55
    nitromethane 104.83
    1,2-diethoxyethane 4.97
    benzonitrile 8.16
    trioctyl phosphate 3.12
    1-bromopropane 2.38
    gamma-valerolactone 55.67
    n-decanol 1.43
    triethyl phosphate 7.11
    4-methyl-2-pentanol 1.51
    propionitrile 5.8
    vinylene carbonate 29.0
    1,1,2-trichlorotrifluoroethane 80.72
    DMS 11.8
    cumene 1.49
    2-octanol 1.09
    2-hexanone 4.18
    octyl acetate 2.67
    limonene 2.55
    1,2-dimethoxyethane 18.05
    ethyl orthosilicate 5.64
    tributyl phosphate 4.07
    diacetone alcohol 14.02
    N,N-dimethylaniline 5.33
    acrylonitrile 13.34
    aniline 6.6
    1,3-propanediol 21.52
    bromobenzene 3.01
    dibromomethane 7.71
    1,1,2,2-tetrachloroethane 20.53
    2-methyl-cyclohexyl acetate 7.03
    tetrabutyl urea 7.34
    diisobutyl methanol 1.59
    2-phenylethanol 7.65
    styrene 1.55
    dioctyl adipate 5.45
    dimethyl sulfate 56.8
    ethyl butyrate 5.29
    methyl lactate 27.96
    butyl lactate 6.63
    diethyl carbonate 5.72
    propanediol butyl ether 10.5
    triethyl orthoformate 5.24
    p-tert-butyltoluene 1.92
    methyl 4-tert-butylbenzoate 12.17
    morpholine 13.56
    tert-butylamine 1.52
    n-dodecanol 1.15
    dimethoxymethane 18.32
    ethylene carbonate 20.66
    cyrene 34.64
    2-ethoxyethyl acetate 6.41
    2-ethylhexyl acetate 3.55
    1,2,4-trichlorobenzene 9.39
    4-methylpyridine 10.1
    dibutyl ether 1.25
    2,6-dimethyl-4-heptanol 1.59
    DEF 22.21
    dimethyl isosorbide 29.81
    tetrachloroethylene 14.83
    eugenol 14.11
    triacetin 12.47
    span 80 11.08
    1,4-butanediol 12.4
    1,1-dichloroethane 5.5
    2-methyl-1-pentanol 3.73
    methyl formate 38.14
    2-methyl-1-butanol 3.65
    n-decane 0.15
    butyronitrile 3.82
    3,7-dimethyl-1-octanol 1.95
    1-chlorooctane 0.78
    1-chlorotetradecane 0.44
    n-nonane 0.13
    undecane 0.13
    tert-butylcyclohexane 0.21
    cyclooctane 0.15
    cyclopentanol 8.12
    tetrahydropyran 3.66
    tert-amyl methyl ether 2.46
    2,5,8-trioxanonane 27.43
    1-hexene 0.48
    2-isopropoxyethanol 11.83
    2,2,2-trifluoroethanol 64.93
    methyl butyrate 7.83

    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