Diclofop-methyl

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  • Identifiers

    CAS number
    51338-27-3

    Molecular formula
    C16H14Cl2O4

    SMILES
    CC(C(=O)OC)OC1=CC=C(C=C1)OC2=C(C=C(C=C2)Cl)Cl

    Safety labels

    Irritant
    Irritant

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Fruity 47.93%
    Vanilla 41.51%
    Sweet 38.57%
    Floral 38.55%
    Powdery 34.79%
    Phenolic 30.54%
    Creamy 29.18%
    Grape 26.93%
    Berry 25.3%
    Odorless 25.0%

     

    Flavor
    Bitter 75.62%
    Odorless 32.16%
    Fruity 27.38%
    Bland 27.0%
    Mild 25.47%
    Sweet-like 21.19%
    Orange flower 20.35%
    Orange blossom 19.88%
    Parsley 19.83%
    Ethyl benzoate 19.41%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    4.8

    pKa est.
    7.51 (neutral)

    Molecular weight
    341.2 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Melting point expt.

    • 39-41 °C

    Boiling point

    • 175-177 °C at 0.1 mm Hg

    Flash point

    • 154.46 ˚C est.
    • 38 °C (Closed cup)

    Solubility expt.

    • In water at 22 °C, 3 mg/l. Readily soluble in common organic solvents, eg, acetone 2490, diethyl ether 2280, xylene 2530, ethanol 110, light petroleum (BP 60-95 °C) 60 (all in g/l at 20 °C).

  • Synonyms

    • DICLOFOP-METHYL
    • Diclofop methyl
    • 51338-27-3
    • Illoxan
    • Dichlorfop-methyl
    • Hoegrass
    • Methyldiclofop
    • Hoelon
    • Methyl diclofop
    • Dichlordiphenprop
    • Methyl 2-[4-(2,4-dichlorophenoxy)phenoxy]propanoate
    • Hoelon 3EC
    • Diclofop methyl ester
    • (+-)-Diclofop-methyl
    • Caswell No. 319A
    • Diclofop-methyl [ISO]
    • HOE 23408
    • HOE 23408 oh
    • Methyl 2-(4-(2,4-dichlorophenoxy)phenoxy)propionate
    • HSDB 6607
    • UNII-9T8QCB25UO
    • EINECS 257-141-8
    • EPA Pesticide Chemical Code 110902
    • AVENOXAN
    • BRN 2224754
    • Diclofop, methyl ester
    • Methyl 2-(4-(2,4-dichlorophenoxy)phenoxy)propanoate
    • Propanoic acid, 2-[4-(2,4-dichlorophenoxy)phenoxy]-, methyl ester
    • 2-(4-(2,4-Dichlorophenoxy)phenoxy)propanoic acid methyl ester
    • Propionic acid, 2-(4-(2,4-dichlorophenoxy)phenoxy)-, methyl ester
    • 9T8QCB25UO
    • (.+/-.)-Diclofop-methyl
    • DICLOFOP-METHYL [MI]
    • CHEBI:4510
    • DICHLORFOP-METHYL [HSDB]
    • DTXSID0032605
    • CHEBI:145412
    • DICLOFOP-METHYL, (+/-)-
    • 2-(4-(2,4-Dichlorophenoxy)phenoxy)propanoic acid, methyl ester
    • methyl 2-[4-(2,4-dichlorophenoxy)phenoxy]propionate
    • 2-(4-(2,4-Dichlorophenoxy)phenoxy)-methyl-propionate
    • METHYL 2-(4-(2,4-DICHLOROPHENOXY)PHENOXY)PROPIONATE, (+/-)-
    • methyl dichlorfop
    • Propanoic acid, 2-(4-(2,4-dichlorophenoxy)phenoxy)-, methyl ester
    • Hoe-023408
    • rac-methyl 2-(4-(2,4-dichlorophenoxy)phenoxy)propanoate
    • rac-methyl 2-[4-(2,4-dichlorophenoxy)phenoxy]propanoate
    • Iloxan
    • (RS)-diclofop-methyl
    • (+ or -)-Methyl 2-(4-(2,4-dichlorophenoxy)phenoxy)propionate
    • Diclofop-methyl 100 microg/mL in Methanol
    • (+/-)-Diclofop-methyl
    • SCHEMBL55275
    • CHEMBL34474
    • DTXCID8012605
    • WCA28365
    • Tox21_300779
    • HOE-23408
    • AKOS015903182
    • DB13918
    • NCGC00163855-01
    • NCGC00163855-02
    • NCGC00163855-03
    • NCGC00163855-04
    • NCGC00163855-05
    • NCGC00254683-01
    • DA-03097
    • DA-03361
    • TS-09047
    • CAS-51338-27-3
    • DB-051949
    • HY-136367
    • CS-0128753
    • NS00005450
    • Diclofop-methyl, PESTANAL(R), analytical standard
    • Q1210263
    • Methyl 2-[4-(2,4-dichlorophenoxy)phenoxy]propanoate #
    • 2-(4-(2',4'-Dichlorophenoxy)-phenoxy)-methyl-propionate

  • Applications

    Diclofop-methyl (CAS 51338-27-3) is a selective herbicide active ingredient used primarily post-emergence to control grassy weeds in cereal crops such as wheat, barley, and oats. It is also employed for weed control in turf and ornamental grasses, including lawns, golf courses, and sports turf. It is formulated into commercial herbicide products for agricultural and turf management. In integrated weed management programs, it is often used in rotation with other herbicides to broaden the control spectrum and mitigate resistance.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 208.01
    methanol 165.73
    isopropanol 122.16
    water 0.23
    ethyl acetate 680.58
    n-propanol 189.84
    acetone 500.18
    n-butanol 167.81
    acetonitrile 562.7
    DMF 186.58
    toluene 133.25
    isobutanol 94.84
    1,4-dioxane 959.91
    methyl acetate 529.89
    THF 1799.54
    2-butanone 460.19
    n-pentanol 172.09
    sec-butanol 171.94
    n-hexane 19.37
    ethylene glycol 28.65
    NMP 117.54
    cyclohexane 58.68
    DMSO 363.32
    n-butyl acetate 241.15
    n-octanol 57.68
    chloroform 1397.87
    n-propyl acetate 318.02
    acetic acid 251.08
    dichloromethane 2020.4
    cyclohexanone 440.87
    propylene glycol 28.51
    isopropyl acetate 263.63
    DMAc 398.49
    2-ethoxyethanol 533.99
    isopentanol 113.57
    n-heptane 27.28
    ethyl formate 279.3
    1,2-dichloroethane 771.84
    n-hexanol 89.22
    2-methoxyethanol 477.76
    isobutyl acetate 129.44
    tetrachloromethane 72.23
    n-pentyl acetate 134.23
    transcutol 703.57
    n-heptanol 57.43
    ethylbenzene 111.71
    MIBK 142.68
    2-propoxyethanol 267.89
    tert-butanol 129.18
    MTBE 269.36
    2-butoxyethanol 148.48
    propionic acid 129.45
    o-xylene 86.02
    formic acid 85.36
    diethyl ether 555.71
    m-xylene 66.23
    p-xylene 131.93
    chlorobenzene 166.68
    dimethyl carbonate 182.81
    n-octane 14.31
    formamide 253.66
    cyclopentanone 431.6
    2-pentanone 359.13
    anisole 319.08
    cyclopentyl methyl ether 386.69
    gamma-butyrolactone 531.87
    1-methoxy-2-propanol 260.07
    pyridine 563.2
    3-pentanone 309.47
    furfural 424.85
    n-dodecane 10.3
    diethylene glycol 173.35
    diisopropyl ether 78.76
    tert-amyl alcohol 148.24
    acetylacetone 455.8
    n-hexadecane 11.94
    acetophenone 246.59
    methyl propionate 361.47
    isopentyl acetate 165.53
    trichloroethylene 1279.49
    n-nonanol 58.02
    cyclohexanol 208.86
    benzyl alcohol 201.68
    2-ethylhexanol 71.89
    isooctanol 47.42
    dipropyl ether 215.76
    1,2-dichlorobenzene 154.03
    ethyl lactate 100.4
    propylene carbonate 231.29
    n-methylformamide 197.53
    2-pentanol 115.6
    n-pentane 16.12
    1-propoxy-2-propanol 163.83
    1-methoxy-2-propyl acetate 238.55
    2-(2-methoxypropoxy) propanol 149.0
    mesitylene 39.47
    ε-caprolactone 406.75
    p-cymene 49.98
    epichlorohydrin 1059.44
    1,1,1-trichloroethane 438.98
    2-aminoethanol 62.05
    morpholine-4-carbaldehyde 404.67
    sulfolane 250.57
    2,2,4-trimethylpentane 10.49
    2-methyltetrahydrofuran 781.19
    n-hexyl acetate 134.81
    isooctane 4.95
    2-(2-butoxyethoxy)ethanol 202.76
    sec-butyl acetate 205.8
    tert-butyl acetate 215.86
    decalin 20.84
    glycerin 51.17
    diglyme 582.06
    acrylic acid 111.42
    isopropyl myristate 64.2
    n-butyric acid 216.35
    acetyl acetate 348.13
    di(2-ethylhexyl) phthalate 53.91
    ethyl propionate 287.5
    nitromethane 686.2
    1,2-diethoxyethane 441.43
    benzonitrile 208.03
    trioctyl phosphate 36.47
    1-bromopropane 366.65
    gamma-valerolactone 572.45
    n-decanol 45.49
    triethyl phosphate 108.26
    4-methyl-2-pentanol 49.47
    propionitrile 321.75
    vinylene carbonate 233.95
    1,1,2-trichlorotrifluoroethane 340.86
    DMS 178.47
    cumene 59.49
    2-octanol 49.33
    2-hexanone 285.25
    octyl acetate 78.94
    limonene 70.37
    1,2-dimethoxyethane 933.5
    ethyl orthosilicate 108.24
    tributyl phosphate 53.46
    diacetone alcohol 178.2
    N,N-dimethylaniline 160.68
    acrylonitrile 367.87
    aniline 146.57
    1,3-propanediol 143.55
    bromobenzene 198.35
    dibromomethane 976.07
    1,1,2,2-tetrachloroethane 749.17
    2-methyl-cyclohexyl acetate 132.99
    tetrabutyl urea 75.52
    diisobutyl methanol 42.6
    2-phenylethanol 134.26
    styrene 142.77
    dioctyl adipate 108.18
    dimethyl sulfate 165.14
    ethyl butyrate 265.22
    methyl lactate 93.5
    butyl lactate 82.15
    diethyl carbonate 189.97
    propanediol butyl ether 88.1
    triethyl orthoformate 176.26
    p-tert-butyltoluene 44.07
    methyl 4-tert-butylbenzoate 132.45
    morpholine 963.43
    tert-butylamine 71.31
    n-dodecanol 37.03
    dimethoxymethane 569.99
    ethylene carbonate 218.08
    cyrene 159.37
    2-ethoxyethyl acetate 252.13
    2-ethylhexyl acetate 137.5
    1,2,4-trichlorobenzene 171.53
    4-methylpyridine 345.92
    dibutyl ether 157.67
    2,6-dimethyl-4-heptanol 42.6
    DEF 387.6
    dimethyl isosorbide 280.59
    tetrachloroethylene 445.31
    eugenol 132.01
    triacetin 201.88
    span 80 92.37
    1,4-butanediol 83.53
    1,1-dichloroethane 589.26
    2-methyl-1-pentanol 143.73
    methyl formate 203.71
    2-methyl-1-butanol 122.34
    n-decane 18.49
    butyronitrile 301.56
    3,7-dimethyl-1-octanol 52.21
    1-chlorooctane 59.29
    1-chlorotetradecane 24.08
    n-nonane 17.14
    undecane 13.25
    tert-butylcyclohexane 14.03
    cyclooctane 15.75
    cyclopentanol 208.12
    tetrahydropyran 954.64
    tert-amyl methyl ether 227.69
    2,5,8-trioxanonane 363.17
    1-hexene 87.2
    2-isopropoxyethanol 293.72
    2,2,2-trifluoroethanol 106.42
    methyl butyrate 354.45

    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