2,4-Dichlorotoluene

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  • Identifiers

    CAS number
    95-73-8

    Molecular formula
    C7H6Cl2

    SMILES
    CC1=C(C=C(C=C1)Cl)Cl

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Phenolic 44.07%
    Animal 40.26%
    Floral 40.16%
    Woody 36.52%
    Leathery 32.95%
    Sweet 31.14%
    Dry 27.68%
    Smoky 27.6%
    Spicy 27.32%
    Musty 27.0%

     

    Flavor
    Phenolic 28.33%
    Meaty 27.43%
    Mild 26.99%
    Bitter 22.86%
    Very strong 21.1%
    Flat 20.97%
    Medicinal 20.86%
    Roasted 20.85%
    Indole 20.76%
    Penetrating 20.7%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    4.2

    pKa est.
    6.15 (neutral)

    Molecular weight
    161.03 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Fast

    Melting point expt.

    • 7.7 °F (NTP, 1992)
    • -13.5 °C

    Boiling point

    • 385 to 387 °F at 760 mmHg (NTP, 1992)
    • 201 °C @ 760 mm Hg
    • at 101.3kPa: 200 °C

    Flash point

    • 90.34 ˚C est.
    • 93 °C
    • 199 °F, open cup
    • 87 °C c.c.

    Solubility expt.

    • INSOL IN WATER
    • Solubility in water, g/100ml at 20 °C: (very poor)

  • Synonyms

    • 2,4-DICHLOROTOLUENE
    • 95-73-8
    • 2,4-Dichloro-1-methylbenzene
    • Benzene, 2,4-dichloro-1-methyl-
    • Toluene, 2,4-dichloro-
    • 2,4-dichloro-1-methyl-benzene
    • HSDB 2567
    • 2,4-dichloromethylbenzene
    • NSC 8764
    • EINECS 202-445-8
    • UNII-3S32N6LG3X
    • BRN 1931691
    • 3S32N6LG3X
    • DTXSID5040702
    • NSC-8764
    • DTXCID3020702
    • EC 202-445-8
    • 4-05-00-00815 (Beilstein Handbook Reference)
    • MFCD00000583
    • 1,3-dichloro-4-methylbenzene
    • 2,4-DCT
    • 2,4-Diclorotoluene
    • 4,6-dichlorotoluene
    • Toluene, 2,4dichloro
    • 2,4Dichloro1methylbenzene
    • 2,4-dichloro-methylbenzene
    • SCHEMBL28352
    • 2 pound not4-Dichlorotoluene
    • Benzene, 2,4dichloro1methyl
    • 2,4-Dichlorotoluene, 99%
    • Benzene,4-dichloro-1-methyl-
    • CHEBI:81651
    • NSC8764
    • 2,4-Dichloro-1-methylbenzene #
    • Tox21_302123
    • STL483076
    • 2,4-bis(chloranyl)-1-methyl-benzene
    • AKOS000121198
    • CAS-95-73-8
    • NCGC00164064-01
    • NCGC00255577-01
    • PS-11943
    • DB-024296
    • D0419
    • NS00002540
    • EN300-21594
    • C18300
    • A845450
    • Q27155532
    • F0001-2279
    • 202-445-8

  • Applications

    2,4-Dichlorotoluene (CAS 95-73-8) is an industrial building block used as an important intermediate in the synthesis of a range of organic compounds and finds practical applications across several sectors, including dye and pigment manufacture, agrochemical intermediates (pesticides/herbicides), pharmaceutical intermediates, and precursors for specialty polymers as well as coatings and inks formulation.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 40.63
    methanol 23.67
    isopropanol 38.12
    water 0.14
    ethyl acetate 130.84
    n-propanol 46.34
    acetone 162.47
    n-butanol 43.28
    acetonitrile 74.6
    DMF 182.92
    toluene 180.71
    isobutanol 35.1
    1,4-dioxane 267.31
    methyl acetate 181.5
    THF 303.5
    2-butanone 218.99
    n-pentanol 46.14
    sec-butanol 53.23
    n-hexane 9.14
    ethylene glycol 7.86
    NMP 124.66
    cyclohexane 10.11
    DMSO 76.17
    n-butyl acetate 135.58
    n-octanol 56.04
    chloroform 295.31
    n-propyl acetate 108.52
    acetic acid 38.85
    dichloromethane 244.86
    cyclohexanone 158.95
    propylene glycol 15.16
    isopropyl acetate 90.27
    DMAc 255.81
    2-ethoxyethanol 94.14
    isopentanol 44.3
    n-heptane 16.82
    ethyl formate 66.76
    1,2-dichloroethane 152.63
    n-hexanol 68.2
    2-methoxyethanol 92.52
    isobutyl acetate 88.07
    tetrachloromethane 55.25
    n-pentyl acetate 97.61
    transcutol 341.59
    n-heptanol 52.3
    ethylbenzene 119.17
    MIBK 91.32
    2-propoxyethanol 132.83
    tert-butanol 60.87
    MTBE 129.72
    2-butoxyethanol 102.07
    propionic acid 41.01
    o-xylene 111.17
    formic acid 9.58
    diethyl ether 105.72
    m-xylene 109.68
    p-xylene 147.33
    chlorobenzene 133.62
    dimethyl carbonate 60.85
    n-octane 11.33
    formamide 26.54
    cyclopentanone 196.25
    2-pentanone 123.09
    anisole 249.2
    cyclopentyl methyl ether 111.36
    gamma-butyrolactone 157.71
    1-methoxy-2-propanol 86.29
    pyridine 269.24
    3-pentanone 116.44
    furfural 197.08
    n-dodecane 10.28
    diethylene glycol 66.28
    diisopropyl ether 43.59
    tert-amyl alcohol 75.27
    acetylacetone 162.04
    n-hexadecane 11.88
    acetophenone 189.06
    methyl propionate 107.22
    isopentyl acetate 135.97
    trichloroethylene 418.12
    n-nonanol 52.64
    cyclohexanol 45.81
    benzyl alcohol 108.28
    2-ethylhexanol 66.92
    isooctanol 49.73
    dipropyl ether 84.68
    1,2-dichlorobenzene 120.17
    ethyl lactate 43.62
    propylene carbonate 91.78
    n-methylformamide 54.8
    2-pentanol 39.33
    n-pentane 7.29
    1-propoxy-2-propanol 105.35
    1-methoxy-2-propyl acetate 150.98
    2-(2-methoxypropoxy) propanol 125.91
    mesitylene 62.7
    ε-caprolactone 142.69
    p-cymene 70.41
    epichlorohydrin 283.09
    1,1,1-trichloroethane 210.9
    2-aminoethanol 20.06
    morpholine-4-carbaldehyde 207.41
    sulfolane 128.77
    2,2,4-trimethylpentane 10.52
    2-methyltetrahydrofuran 200.46
    n-hexyl acetate 128.87
    isooctane 9.1
    2-(2-butoxyethoxy)ethanol 145.61
    sec-butyl acetate 93.54
    tert-butyl acetate 124.95
    decalin 18.83
    glycerin 21.71
    diglyme 310.68
    acrylic acid 36.18
    isopropyl myristate 63.71
    n-butyric acid 54.79
    acetyl acetate 90.9
    di(2-ethylhexyl) phthalate 57.54
    ethyl propionate 89.81
    nitromethane 103.75
    1,2-diethoxyethane 196.58
    benzonitrile 127.27
    trioctyl phosphate 37.01
    1-bromopropane 98.58
    gamma-valerolactone 245.23
    n-decanol 41.32
    triethyl phosphate 59.49
    4-methyl-2-pentanol 36.81
    propionitrile 74.27
    vinylene carbonate 102.04
    1,1,2-trichlorotrifluoroethane 149.76
    DMS 113.49
    cumene 75.79
    2-octanol 47.26
    2-hexanone 136.77
    octyl acetate 74.05
    limonene 83.99
    1,2-dimethoxyethane 239.21
    ethyl orthosilicate 62.93
    tributyl phosphate 46.39
    diacetone alcohol 115.48
    N,N-dimethylaniline 159.29
    acrylonitrile 89.74
    aniline 106.8
    1,3-propanediol 33.32
    bromobenzene 161.36
    dibromomethane 153.39
    1,1,2,2-tetrachloroethane 258.4
    2-methyl-cyclohexyl acetate 107.74
    tetrabutyl urea 65.23
    diisobutyl methanol 47.89
    2-phenylethanol 135.56
    styrene 133.1
    dioctyl adipate 82.05
    dimethyl sulfate 89.22
    ethyl butyrate 105.78
    methyl lactate 45.42
    butyl lactate 64.55
    diethyl carbonate 72.54
    propanediol butyl ether 78.04
    triethyl orthoformate 83.28
    p-tert-butyltoluene 74.68
    methyl 4-tert-butylbenzoate 133.65
    morpholine 223.39
    tert-butylamine 40.2
    n-dodecanol 34.35
    dimethoxymethane 141.53
    ethylene carbonate 72.4
    cyrene 113.94
    2-ethoxyethyl acetate 158.64
    2-ethylhexyl acetate 125.64
    1,2,4-trichlorobenzene 160.98
    4-methylpyridine 275.74
    dibutyl ether 87.41
    2,6-dimethyl-4-heptanol 47.89
    DEF 116.05
    dimethyl isosorbide 245.89
    tetrachloroethylene 158.25
    eugenol 140.58
    triacetin 122.62
    span 80 95.11
    1,4-butanediol 17.37
    1,1-dichloroethane 163.06
    2-methyl-1-pentanol 56.12
    methyl formate 53.81
    2-methyl-1-butanol 46.15
    n-decane 15.53
    butyronitrile 69.58
    3,7-dimethyl-1-octanol 65.22
    1-chlorooctane 56.66
    1-chlorotetradecane 27.75
    n-nonane 14.95
    undecane 12.13
    tert-butylcyclohexane 21.18
    cyclooctane 6.78
    cyclopentanol 49.02
    tetrahydropyran 175.85
    tert-amyl methyl ether 117.07
    2,5,8-trioxanonane 221.23
    1-hexene 43.39
    2-isopropoxyethanol 87.57
    2,2,2-trifluoroethanol 22.39
    methyl butyrate 112.16

    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