Diuron

Overview IFRA Request a quote

  • Identifiers

    CAS number
    330-54-1

    Molecular formula
    C9H10Cl2N2O

    SMILES
    CN(C)C(=O)NC1=CC(=C(C=C1)Cl)Cl

    Safety labels

    Health Hazard
    Health

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Odorless 51.51%
    Savory 31.08%
    Cooling 27.04%
    Meaty 26.76%
    Cheesy 26.6%
    Grape 25.87%
    Animal 23.8%
    Ripe 22.86%
    Cooked 21.77%
    Milky 21.3%

     

    Flavor
    Bitter 51.32%
    Odorless 43.86%
    Mild 28.36%
    Bland 23.62%
    Roasted 20.49%
    Sweet-like 19.83%
    Orange flower 19.83%
    Yeast 19.51%
    Nitrile 19.5%
    Scallion 19.26%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    2.7

    pKa est.
    6.53 (neutral)

    Molecular weight
    233.09 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Melting point expt.

    • 318.2 °F (USCG, 1999)
    • 158-159 °C
    • MP: 159 °C. Decomposes at 180 °C
    • 316 °F

    Boiling point

    • 356 to 374 °F at 760 mmHg (USCG, 1999)
    • Decomposes at 180-190 °C
    • 356 °F (decomposes)
    • 356 °F (Decomposes)

    Flash point

    • 148.44 ˚C est.

    Solubility expt.

    • 0.004 % (NIOSH, 2024)
    • In water, 42.0 mg/L at 25 °C
    • In water, 37.4 mg/L at 25 °C
    • Very low solubility in hydrocarbon solvents
    • In acetone 53, butyl stearate 1.4, benzene 1.2 (all in g/kg at 27 °C). Sparingly soluble in hydrocarbons.
    • 0.004%

  • Synonyms

    • diuron
    • 330-54-1
    • 3-(3,4-Dichlorophenyl)-1,1-dimethylurea
    • DCMU
    • Duran
    • Dynex
    • Vonduron
    • Dailon
    • Karmex
    • Marmer
    • Karmex DW
    • 1,1-Dimethyl-3-(3,4-dichlorophenyl)urea
    • Di-on
    • Dichlorfenidim
    • Cekiuron
    • Crisuron
    • Herbatox
    • Karmex D
    • 1-(3,4-Dichlorophenyl)-3,3-dimethylurea
    • Karmex Diuron Herbicide
    • Urox D
    • Drexel
    • Lucenit
    • Unidron
    • N'-(3,4-Dichlorophenyl)-N,N-dimethylurea
    • Diuron Nortox
    • Telvar Diuron Weed Killer
    • Preventol A 6
    • Diuron 4L
    • Direx 4L
    • DP Hardener 95
    • Urea, N'-(3,4-dichlorophenyl)-N,N-dimethyl-
    • Diater
    • N-(3,4-Dichlorophenyl)-N',N'-dimethylurea
    • DCMU 99
    • HW 920
    • Diuron [ISO]
    • N,N,-Dimethyl-N'-(3,4-dichlorophenyl)urea
    • Karamex
    • DTXSID0020446
    • 3-(3,4-Dichlor-phenyl)-1,1-dimethyl-harnstoff
    • CHEBI:116509
    • 1-(3,4-Dichlorophenyl)-3,3-dimethyluree
    • 9I3SDS92WY
    • Urea, 3-(3,4-dichlorophenyl)-1,1-dimethyl-
    • DIURON [HSDB]
    • NSC-8950
    • DIURON [MI]
    • 1-(3,4-Dichlorophenyl)-3,3-dimethyluree [French]
    • DTXCID00446
    • 3-(3,4-Dichlor-phenyl)-1,1-dimethyl-harnstoff [German]
    • 3-(3,4-dichlorophenyl)-1,1-dimethyl-urea
    • 3-(3,4-Dicloro-fenyl)-1,1-dimetil-urea
    • 3-(3,4-Dichloor-fenyl)-1,1-dimethylureum
    • 3-(3,4-Dichloro-phenyl)-1,1-dimethyl-urea
    • MFCD00018136
    • NCGC00094525-01
    • Anduron
    • Ansaron
    • Dirurol
    • Durashield
    • Herburon
    • Seduron
    • Bioron
    • 3-(3,4-Dichlorophenol)-1,1-dimethylurea
    • Farmco diuron
    • Sup'r flo
    • Diuron 900
    • Caswell No. 410
    • Ditox-800
    • Aguron
    • Dichlorfenidim [Russian]
    • USAF P-7
    • Diuron [ANSI:BSI:ISO]
    • USAF XR-42
    • CAS-330-54-1
    • CCRIS 1012
    • HSDB 382
    • Direx 80W
    • NSC 8950
    • 1-(3,4-Dichlorophenyl)-3,3-dimethyluree (French)
    • EINECS 206-354-4
    • AF 101
    • UNII-9I3SDS92WY
    • EPA Pesticide Chemical Code 035505
    • BRN 2215168
    • 3-(3,4-Dichlor-phenyl)-1,1-dimethyl-harnstoff (German)
    • Tigrex
    • Xarmex
    • Direx
    • AI3-61438
    • Desdimethyldiuron
    • Diuron?
    • Karmex DL
    • Drexel diuron 4L
    • Diuron (Standard)
    • 3-(3,4-Dichloor-fenyl)-1,1-dimethylureum [Dutch]
    • 3-(3,4-Dicloro-fenyl)-1,1-dimetil-urea [Italian]
    • Diuron (ACGIH)
    • Diuron 10 microg/mL in Acetonitrile
    • Karmex 80W
    • DICHLORFENDISM
    • Ditox800
    • Diuron 100 microg/mL in Acetonitrile
    • Spectrum_001823
    • 1-(3,3-dimethylurea
    • 3-(3,1-dimethylurea
    • SpecPlus_000424
    • N'-(3,N-dimethylurea
    • N-(3,N'-dimethylurea
    • 1,4-dichlorophenyl)urea
    • 3-(3,1-dimethylureum
    • n,n-dimethyl-n'-(3,4-dichlorophenyl)urea
    • 3-(3,1-dimetil-urea
    • Spectrum2_001229
    • Spectrum3_000822
    • Spectrum4_000662
    • Spectrum5_001956
    • Diuron, >=98%
    • USAF XR42
    • EC 206-354-4
    • Cambridge id 5104305
    • SCHEMBL7279
    • DYHARD UR 200
    • 3-(3,1-dimethyl-harnstoff
    • BSPBio_002343
    • KBioGR_001063
    • KBioSS_002328

  • Applications

    Diuron (CAS 330-54-1) is a substituted urea herbicide used primarily to control annual grasses and broadleaf weeds in crops, including row crops, citrus, and vineyards, and it is also applied for weed management in turf areas such as lawns and golf courses; in forestry and reforestation programs it is used to reduce competing vegetation, and it is employed for non-crop vegetation control along rights-of-way, roadways, and around industrial sites. Its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 66.54
    methanol 62.14
    isopropanol 58.72
    water 0.46
    ethyl acetate 76.09
    n-propanol 57.71
    acetone 237.96
    n-butanol 49.53
    acetonitrile 69.75
    DMF 640.65
    toluene 24.78
    isobutanol 44.39
    1,4-dioxane 109.02
    methyl acetate 115.05
    THF 244.73
    2-butanone 190.99
    n-pentanol 46.26
    sec-butanol 57.83
    n-hexane 0.87
    ethylene glycol 17.49
    NMP 300.02
    cyclohexane 0.94
    DMSO 252.76
    n-butyl acetate 58.83
    n-octanol 17.42
    chloroform 272.54
    n-propyl acetate 70.62
    acetic acid 129.85
    dichloromethane 199.48
    cyclohexanone 153.07
    propylene glycol 32.84
    isopropyl acetate 47.01
    DMAc 659.93
    2-ethoxyethanol 111.14
    isopentanol 46.28
    n-heptane 1.08
    ethyl formate 93.18
    1,2-dichloroethane 92.54
    n-hexanol 39.28
    2-methoxyethanol 138.7
    isobutyl acetate 42.59
    tetrachloromethane 21.14
    n-pentyl acetate 40.94
    transcutol 133.53
    n-heptanol 26.5
    ethylbenzene 18.52
    MIBK 56.81
    2-propoxyethanol 86.27
    tert-butanol 73.54
    MTBE 61.89
    2-butoxyethanol 63.64
    propionic acid 65.05
    o-xylene 21.98
    formic acid 66.69
    diethyl ether 36.63
    m-xylene 19.73
    p-xylene 31.88
    chlorobenzene 47.29
    dimethyl carbonate 66.04
    n-octane 0.66
    formamide 126.41
    cyclopentanone 238.39
    2-pentanone 101.87
    anisole 78.43
    cyclopentyl methyl ether 66.14
    gamma-butyrolactone 224.05
    1-methoxy-2-propanol 104.88
    pyridine 137.95
    3-pentanone 82.19
    furfural 245.08
    n-dodecane 0.75
    diethylene glycol 76.03
    diisopropyl ether 9.57
    tert-amyl alcohol 71.28
    acetylacetone 121.57
    n-hexadecane 0.86
    acetophenone 101.72
    methyl propionate 85.36
    isopentyl acetate 53.52
    trichloroethylene 329.33
    n-nonanol 17.51
    cyclohexanol 41.39
    benzyl alcohol 87.89
    2-ethylhexanol 25.06
    isooctanol 23.18
    dipropyl ether 21.09
    1,2-dichlorobenzene 51.71
    ethyl lactate 50.28
    propylene carbonate 125.93
    n-methylformamide 172.44
    2-pentanol 32.7
    n-pentane 0.76
    1-propoxy-2-propanol 59.04
    1-methoxy-2-propyl acetate 71.8
    2-(2-methoxypropoxy) propanol 61.16
    mesitylene 11.15
    ε-caprolactone 118.98
    p-cymene 13.89
    epichlorohydrin 230.06
    1,1,1-trichloroethane 96.19
    2-aminoethanol 40.8
    morpholine-4-carbaldehyde 246.53
    sulfolane 217.29
    2,2,4-trimethylpentane 1.66
    2-methyltetrahydrofuran 129.58
    n-hexyl acetate 42.16
    isooctane 0.97
    2-(2-butoxyethoxy)ethanol 69.51
    sec-butyl acetate 43.82
    tert-butyl acetate 52.88
    decalin 1.67
    glycerin 53.9
    diglyme 140.02
    acrylic acid 74.71
    isopropyl myristate 17.87
    n-butyric acid 75.5
    acetyl acetate 55.29
    di(2-ethylhexyl) phthalate 28.54
    ethyl propionate 56.93
    nitromethane 264.03
    1,2-diethoxyethane 50.02
    benzonitrile 78.08
    trioctyl phosphate 18.5
    1-bromopropane 36.95
    gamma-valerolactone 258.84
    n-decanol 13.26
    triethyl phosphate 33.49
    4-methyl-2-pentanol 23.14
    propionitrile 57.3
    vinylene carbonate 122.31
    1,1,2-trichlorotrifluoroethane 226.21
    DMS 50.89
    cumene 15.04
    2-octanol 18.35
    2-hexanone 83.43
    octyl acetate 24.92
    limonene 17.84
    1,2-dimethoxyethane 178.25
    ethyl orthosilicate 29.24
    tributyl phosphate 22.2
    diacetone alcohol 84.48
    N,N-dimethylaniline 64.8
    acrylonitrile 95.2
    aniline 63.51
    1,3-propanediol 57.98
    bromobenzene 39.22
    dibromomethane 95.36
    1,1,2,2-tetrachloroethane 218.19
    2-methyl-cyclohexyl acetate 44.22
    tetrabutyl urea 32.79
    diisobutyl methanol 14.27
    2-phenylethanol 62.0
    styrene 24.76
    dioctyl adipate 32.51
    dimethyl sulfate 120.43
    ethyl butyrate 47.84
    methyl lactate 64.87
    butyl lactate 43.69
    diethyl carbonate 38.98
    propanediol butyl ether 59.36
    triethyl orthoformate 35.99
    p-tert-butyltoluene 13.48
    methyl 4-tert-butylbenzoate 61.92
    morpholine 151.38
    tert-butylamine 31.68
    n-dodecanol 10.09
    dimethoxymethane 161.83
    ethylene carbonate 86.21
    cyrene 103.83
    2-ethoxyethyl acetate 63.9
    2-ethylhexyl acetate 41.3
    1,2,4-trichlorobenzene 71.88
    4-methylpyridine 153.13
    dibutyl ether 15.78
    2,6-dimethyl-4-heptanol 14.27
    DEF 140.89
    dimethyl isosorbide 108.4
    tetrachloroethylene 127.62
    eugenol 71.56
    triacetin 55.98
    span 80 47.66
    1,4-butanediol 36.3
    1,1-dichloroethane 111.11
    2-methyl-1-pentanol 48.51
    methyl formate 145.13
    2-methyl-1-butanol 48.66
    n-decane 1.11
    butyronitrile 58.92
    3,7-dimethyl-1-octanol 19.66
    1-chlorooctane 8.15
    1-chlorotetradecane 3.49
    n-nonane 0.89
    undecane 0.89
    tert-butylcyclohexane 1.99
    cyclooctane 0.38
    cyclopentanol 59.9
    tetrahydropyran 75.14
    tert-amyl methyl ether 49.26
    2,5,8-trioxanonane 94.1
    1-hexene 8.43
    2-isopropoxyethanol 74.72
    2,2,2-trifluoroethanol 80.23
    methyl butyrate 85.78

    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