2,5-Dichloroaniline

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  • Identifiers

    CAS number
    95-82-9

    Molecular formula
    C6H5Cl2N

    SMILES
    C1=CC(=C(C=C1Cl)N)Cl

    Safety labels

    Acute Toxic
    Acute Toxic

    Health Hazard
    Health

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Animal 33.51%
    Phenolic 32.23%
    Burnt 30.4%
    Meaty 28.42%
    Odorless 27.14%
    Sweet 25.64%
    Smoky 24.75%
    Musty 22.72%
    Cheesy 22.5%
    Ripe 22.18%

     

    Flavor
    Bitter 30.44%
    Mild 28.09%
    Meaty 25.06%
    Odorless 23.79%
    Roasted 20.78%
    Very strong 20.44%
    Indole 20.12%
    Nitrile 20.1%
    Scallion 20.07%
    Penetrating 19.93%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    2.9

    pKa est.
    4.65 (weak acid)

    Molecular weight
    162.01 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Melting point expt.

    • 120 to 124 °F (NTP, 1992)
    • 50 °C

    Boiling point

    • 484 °F at 760 mmHg (NTP, 1992)
    • 251 °C

    Flash point

    • 116.71 ˚C est.
    • 235 °F (NTP, 1992)
    • 139 °C

    Solubility expt.

    • less than 1 mg/mL at 72.5 °F (NTP, 1992)
    • Sol in dilute hydrochloric acid
    • Slightly soluble in water; soluble in ethanol, ethyl ether, banzene
    • Solubility in water: none

  • Synonyms

    • 2,5-DICHLOROANILINE
    • 95-82-9
    • 2,5-Dichloranilin
    • 1-Amino-2,5-dichlorobenzene
    • Azoic Diazo Component 3
    • Fast Scarlet 2G
    • Scarlet 2g base
    • Azobase DCA
    • Benzenamine, 2,5-dichloro-
    • Scarlet Base GG
    • Fast Scarlet GG Base
    • Scarlet Base NGG
    • Fast Scarlet GGS Base
    • 2,5-Dichlorobenzenamine
    • Diazol Scarlet 2Zh
    • Fast Red SGG Base
    • Hindamine Scarlet GG
    • Stabamine Scarlet GG
    • 2,5-Dichloro-1-aminobenzene
    • Scarlet Base Ciba I
    • Scarlet Salt Ciba I
    • Fast scarlet 2g base
    • Fast Scarlet DS Base
    • Lake Scarlet GG Base
    • Daito Scarlet Base GG
    • Diazo Fast Scarlet GG
    • Fast Scarlet Base 2J
    • Fast Scarlet Base GGT
    • Fast Scarlet MDC Base
    • Spectrolene Scarlet 2G
    • Fast Scarlet Base 2JS
    • Kayaku Scarlet GG Base
    • Mitsui Scarlet GG Base
    • Natasol Scarlet GG Salt
    • 2,5-Dichlorobenzeneamine
    • Devol Scarlet 2GS Base
    • Symulon Scarlet 2G Base
    • Amarthol Fast Scarlet GG Base
    • Azogene Fast Scarlet GGC
    • Aniline, 2,5-dichloro-
    • Kambamine Scarlet GG Base
    • Naphthanil Scarlet 2G Base
    • 2,5-DCA
    • Sanyo Fast Scarlet GG Base
    • Azoene Fast Scarlet 2G Base
    • Devol Scarlet A (free base)
    • Hiltonil Fast Scarlet 2G Base
    • Amarthol Fast Scarlet GGS Base
    • C.I. Azoic Diazo Component 3
    • Hiltonil Fast Scarlet 2GS Base
    • Naphtoelan Fast Scarlet GG Base
    • Scarlet base irga I (free base)
    • 2-Amino-1,4-dichlorobenzene
    • Scarlet salt ngg
    • Scarlet 2g salt
    • Azogene Fast Scarlet GG (free base)
    • Scarlet salt irga I
    • Fast scarlet ds salt
    • 2,5-Dichloranilin [Czech]
    • CI Azoic Diazo Component 3
    • Devol scarlet salt A
    • Fast scarlet GG salt
    • Fast scarlet salt GG
    • Kako scarlet GG salt
    • Fast scarlet ggs salt
    • Fast scarlet salt ggn
    • Fast scarlet 2g salt
    • Fast scarlet 2j salt
    • Daito scarlet salt GG
    • C.I. 37010
    • Azofix scarlet GG salt
    • CCRIS 2881
    • Meisei scarlet GG salt
    • Mitsui scarlet GG salt
    • 2,5-dichlorophenylamine
    • Devol scarlet 2GS salt
    • Symulon scarlet 2g salt
    • 2,5-Dichloroaniline (NH2=1)
    • HSDB 5295
    • Durgasol scarlet GG salt
    • CI 37010
    • p-Dichloroaniline
    • UNII-7U61VY7POL
    • NSC 1492
    • Sanyo fast scarlet salt GG
    • EINECS 202-455-2
    • Azoene fast scarlet 2g salt
    • MFCD00007667
    • Amarthol fast scarlet GG salt
    • Hiltosal fast scarlet 2g salt
    • Hindasol fast scarlet GG salt
    • BRN 1447438
    • Naphtoelan fast scarlet GG salt
    • DTXSID6024967
    • CHEBI:34245
    • AI3-01563
    • Azogene fast scarlet gg
    • NSC-1492
    • 7U61VY7POL
    • 2,5-DICHLORO-ANILINE
    • DTXCID804967
    • DICHLOROANILINE, 2,5-
    • Benzene, 1-amino-2,5-dichloro
    • EC 202-455-2
    • 4-12-00-01250 (Beilstein Handbook Reference)
    • 2,5-DICHLOROANILINE [HSDB]
    • 2,5-Dichloroaniline [NH2=1]
    • 2,5Dichloranilin
    • 2,5 dichloraniline
    • Aniline,5-dichloro-
    • 2,5 dichloro aniline
    • 2,5-di-chloroaniline
    • 2,5Dichlorobenzenamine
    • Aniline, 2,5dichloro
    • 2,5Dichlorobenzeneamine
    • ci azoic diazo component
    • 1Amino2,5dichlorobenzene
    • 2,5Dichloro1aminobenzene
    • 2,5-dichloro-phenylamine
    • Benzenamine, 2,5dichloro
    • WLN: ZR BG EG
    • (2,5-dichlorophenyl)amine
    • 2,5-bis(chloranyl)aniline
    • SCHEMBL75775
    • 2,5-Dichloroaniline, 99%
    • 1,4-Dichloro-2-aminobenzene
    • BIDD:ER0684
    • (2,5-dichloro-phenyl)-amine

  • Applications

    2,5-Dichloroaniline (CAS 95-82-9) is primarily used as an intermediate in the synthesis of dyes and pigments (azo dye precursors). It also serves as a building block for agrochemical and pharmaceutical intermediates. In industrial polymers and plastics, it is used as a precursor for functional monomers or resin crosslinking components. In coatings and inks, it may be employed as a dye precursor or functional additive. It can also appear in adhesive formulations as a reactive intermediate in resin systems. All uses are subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 78.92
    methanol 86.71
    isopropanol 54.82
    water 1.38
    ethyl acetate 79.76
    n-propanol 67.85
    acetone 145.72
    n-butanol 64.5
    acetonitrile 42.09
    DMF 162.18
    toluene 18.59
    isobutanol 42.17
    1,4-dioxane 170.44
    methyl acetate 86.32
    THF 343.95
    2-butanone 123.14
    n-pentanol 58.3
    sec-butanol 51.9
    n-hexane 2.08
    ethylene glycol 19.56
    NMP 153.22
    cyclohexane 2.13
    DMSO 134.19
    n-butyl acetate 85.21
    n-octanol 26.33
    chloroform 69.02
    n-propyl acetate 66.63
    acetic acid 87.09
    dichloromethane 47.03
    cyclohexanone 124.22
    propylene glycol 21.87
    isopropyl acetate 58.4
    DMAc 197.76
    2-ethoxyethanol 125.95
    isopentanol 52.11
    n-heptane 6.96
    ethyl formate 73.63
    1,2-dichloroethane 36.32
    n-hexanol 55.51
    2-methoxyethanol 153.92
    isobutyl acetate 47.75
    tetrachloromethane 14.12
    n-pentyl acetate 60.27
    transcutol 279.14
    n-heptanol 37.04
    ethylbenzene 8.77
    MIBK 61.16
    2-propoxyethanol 137.3
    tert-butanol 72.34
    MTBE 73.77
    2-butoxyethanol 89.71
    propionic acid 49.47
    o-xylene 15.54
    formic acid 48.52
    diethyl ether 70.94
    m-xylene 17.09
    p-xylene 13.96
    chlorobenzene 26.71
    dimethyl carbonate 45.12
    n-octane 2.73
    formamide 94.7
    cyclopentanone 179.12
    2-pentanone 94.49
    anisole 57.86
    cyclopentyl methyl ether 90.42
    gamma-butyrolactone 171.37
    1-methoxy-2-propanol 107.37
    pyridine 74.65
    3-pentanone 66.35
    furfural 154.29
    n-dodecane 2.09
    diethylene glycol 98.66
    diisopropyl ether 23.12
    tert-amyl alcohol 59.15
    acetylacetone 113.36
    n-hexadecane 2.34
    acetophenone 52.13
    methyl propionate 63.22
    isopentyl acetate 70.92
    trichloroethylene 89.29
    n-nonanol 26.24
    cyclohexanol 40.45
    benzyl alcohol 43.96
    2-ethylhexanol 38.65
    isooctanol 30.95
    dipropyl ether 60.78
    1,2-dichlorobenzene 26.23
    ethyl lactate 39.01
    propylene carbonate 94.38
    n-methylformamide 89.63
    2-pentanol 43.8
    n-pentane 2.93
    1-propoxy-2-propanol 99.85
    1-methoxy-2-propyl acetate 101.15
    2-(2-methoxypropoxy) propanol 79.05
    mesitylene 12.24
    ε-caprolactone 109.19
    p-cymene 18.3
    epichlorohydrin 156.38
    1,1,1-trichloroethane 48.0
    2-aminoethanol 41.38
    morpholine-4-carbaldehyde 176.52
    sulfolane 156.27
    2,2,4-trimethylpentane 3.39
    2-methyltetrahydrofuran 154.66
    n-hexyl acetate 57.11
    isooctane 3.14
    2-(2-butoxyethoxy)ethanol 106.39
    sec-butyl acetate 48.24
    tert-butyl acetate 75.39
    decalin 2.43
    glycerin 42.81
    diglyme 205.09
    acrylic acid 44.99
    isopropyl myristate 29.04
    n-butyric acid 76.02
    acetyl acetate 59.24
    di(2-ethylhexyl) phthalate 29.13
    ethyl propionate 49.06
    nitromethane 171.75
    1,2-diethoxyethane 122.18
    benzonitrile 39.49
    trioctyl phosphate 23.52
    1-bromopropane 23.36
    gamma-valerolactone 239.01
    n-decanol 20.31
    triethyl phosphate 39.85
    4-methyl-2-pentanol 29.97
    propionitrile 39.15
    vinylene carbonate 82.12
    1,1,2-trichlorotrifluoroethane 119.85
    DMS 50.43
    cumene 9.59
    2-octanol 25.21
    2-hexanone 81.05
    octyl acetate 37.01
    limonene 26.62
    1,2-dimethoxyethane 193.54
    ethyl orthosilicate 41.11
    tributyl phosphate 28.63
    diacetone alcohol 89.44
    N,N-dimethylaniline 38.46
    acrylonitrile 44.14
    aniline 41.88
    1,3-propanediol 67.89
    bromobenzene 19.22
    dibromomethane 27.44
    1,1,2,2-tetrachloroethane 72.79
    2-methyl-cyclohexyl acetate 54.43
    tetrabutyl urea 37.1
    diisobutyl methanol 28.52
    2-phenylethanol 53.89
    styrene 10.82
    dioctyl adipate 43.05
    dimethyl sulfate 69.58
    ethyl butyrate 68.63
    methyl lactate 45.64
    butyl lactate 49.3
    diethyl carbonate 46.14
    propanediol butyl ether 61.02
    triethyl orthoformate 62.13
    p-tert-butyltoluene 19.82
    methyl 4-tert-butylbenzoate 60.58
    morpholine 170.26
    tert-butylamine 36.92
    n-dodecanol 16.06
    dimethoxymethane 141.24
    ethylene carbonate 69.64
    cyrene 86.09
    2-ethoxyethyl acetate 92.54
    2-ethylhexyl acetate 59.97
    1,2,4-trichlorobenzene 37.55
    4-methylpyridine 73.82
    dibutyl ether 38.89
    2,6-dimethyl-4-heptanol 28.52
    DEF 94.76
    dimethyl isosorbide 147.18
    tetrachloroethylene 50.59
    eugenol 65.18
    triacetin 71.95
    span 80 62.47
    1,4-butanediol 34.94
    1,1-dichloroethane 40.13
    2-methyl-1-pentanol 47.85
    methyl formate 76.4
    2-methyl-1-butanol 47.08
    n-decane 3.44
    butyronitrile 49.32
    3,7-dimethyl-1-octanol 29.01
    1-chlorooctane 14.49
    1-chlorotetradecane 6.61
    n-nonane 3.07
    undecane 2.58
    tert-butylcyclohexane 3.61
    cyclooctane 1.3
    cyclopentanol 56.48
    tetrahydropyran 117.92
    tert-amyl methyl ether 56.56
    2,5,8-trioxanonane 146.39
    1-hexene 10.72
    2-isopropoxyethanol 89.07
    2,2,2-trifluoroethanol 48.57
    methyl butyrate 65.4

    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