Cycluron

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  • Identifiers

    CAS number
    2163-69-1

    Molecular formula
    C11H22N2O

    SMILES
    CN(C)C(=O)NC1CCCCCCC1

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Cooling 42.74%
    Mint 37.33%
    Fishy 32.89%
    Cheesy 32.53%
    Animal 28.14%
    Odorless 25.92%
    Savory 25.13%
    Herbal 23.72%
    Ripe 23.65%
    Fresh 22.59%

     

    Flavor
    Fruity 40.04%
    Odorless 21.06%
    Mild 20.12%
    Herbal 19.56%
    Bouillon 19.52%
    Alkaline 19.46%
    Green tea 19.35%
    Terpentine 19.28%
    Acrid 19.28%
    Pleasant 19.17%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    2.4

    pKa est.
    8.42 (weak base)

    Molecular weight
    198.31 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    277°C

    Melting point expt.

    • 138 °C (PURE)
    • MP: 134-138 °C /Technical/

    Flash point

    • 150.43 ˚C est.

    Solubility expt.

    • SOLUBILITY @ 20 °C: 1.1 G/L WATER, 67 G/KG ACETONE, 55 G/KG BENZENE, 500 G/KG METHANOL
    • In water at 20 °C, 0.11%. In acetone 6.7%, benzene 5.5%, methanol 50%, ethyl acetate 4.4 g/100g, diethyl ether 1.6g/100g (all at 20 °C).
    • In water 1.2X10+3 mg/l at 20 °C

  • Synonyms

    • CYCLURON
    • 3-Cyclooctyl-1,1-dimethylurea
    • 2163-69-1
    • Cyclouron
    • Urea, N'-cyclooctyl-N,N-dimethyl-
    • Caswell No. 271A
    • Cycluron [BSI:ISO]
    • N-Cyclooctyl-N',N'-dimethylurea
    • HS 61
    • Urea, 3-cyclooctyl-1,1-dimethyl-
    • V8K90CTK5Q
    • HSDB 1553
    • CYCLURON [HSDB]
    • 3-Cyclooctyl-1,1-dimethylharnstoff
    • CYCLURON [ISO]
    • EINECS 218-493-8
    • EPA Pesticide Chemical Code 035504
    • BRN 2209526
    • 1-cyclooctyl-3,3-dimethylurea
    • N'-Cyclooctyl-N,N-dimethylurea
    • 3-Cyclooctyl-1,1-dimethylharnstoff [German]
    • DTXSID8041824
    • CHEBI:82231
    • OMU
    • Alipur (Salt/Mix)
    • Alipur-O (Salt/Mix)
    • 3Cyclooctyl1,1dimethylurea
    • UNII-V8K90CTK5Q
    • NCyclooctylN',N'dimethylurea
    • SCHEMBL135838
    • Urea, 3cyclooctyl1,1dimethyl
    • Urea, N'cyclooctylN,Ndimethyl
    • 1,1-Dimethyl-3-cyclooctylurea
    • 3Cyclooctyl1,1dimethylharnstoff
    • CHEMBL1879112
    • DTXCID6021824
    • AKOS006240838
    • NCGC00166182-01
    • UREA, N-CYCLOOCTYL-N,N-DIMETHYL-
    • O,N-CYCLOOCTYL-N',N'-DIMETHYLUREA
    • O,N-CYCLOOCTYL-N',N'- DIMETHYLUREA
    • Cycluron, PESTANAL(R), analytical standard
    • NS00008784
    • C19109
    • Q27155824
    • Pesticide3_Cycluron_C11H22N2O_3-Cyclooctyl-1,1-dimethylurea
    • 218-493-8

  • Applications

    Cycluron (CAS 2163-69-1) is commonly evaluated for use in industrial manufacturing as a solvent and as a chemical synthesis intermediate; it may also function as a processing aid in polymers and plastics. In coatings and inks, it is used as a solvent and formulation component to improve flow and compatibility. It may appear in adhesive formulations as a solvent or processing aid. It can be found in specialized cleaning formulations as a solvent for equipment and surface cleaning. Its role is typically as a solvent, processing aid, or intermediate, and is constrained by formulation needs and regulatory requirements.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 498.63
    methanol 706.76
    isopropanol 408.3
    water 0.81
    ethyl acetate 303.26
    n-propanol 407.51
    acetone 416.88
    n-butanol 353.97
    acetonitrile 256.76
    DMF 725.49
    toluene 174.14
    isobutanol 303.11
    1,4-dioxane 414.14
    methyl acetate 252.31
    THF 654.89
    2-butanone 316.05
    n-pentanol 207.61
    sec-butanol 308.52
    n-hexane 16.32
    ethylene glycol 95.84
    NMP 620.9
    cyclohexane 42.79
    DMSO 591.67
    n-butyl acetate 295.13
    n-octanol 96.7
    chloroform 1591.47
    n-propyl acetate 200.25
    acetic acid 622.48
    dichloromethane 1137.88
    cyclohexanone 628.79
    propylene glycol 172.01
    isopropyl acetate 229.84
    DMAc 485.66
    2-ethoxyethanol 238.62
    isopentanol 276.09
    n-heptane 10.29
    ethyl formate 286.02
    1,2-dichloroethane 591.62
    n-hexanol 202.95
    2-methoxyethanol 454.07
    isobutyl acetate 142.24
    tetrachloromethane 194.22
    n-pentyl acetate 202.17
    transcutol 544.72
    n-heptanol 116.86
    ethylbenzene 80.29
    MIBK 180.76
    2-propoxyethanol 295.56
    tert-butanol 371.2
    MTBE 221.63
    2-butoxyethanol 223.96
    propionic acid 422.6
    o-xylene 123.88
    formic acid 228.72
    diethyl ether 189.52
    m-xylene 122.18
    p-xylene 126.02
    chlorobenzene 346.56
    dimethyl carbonate 99.92
    n-octane 6.77
    formamide 271.07
    cyclopentanone 760.74
    2-pentanone 276.92
    anisole 137.86
    cyclopentyl methyl ether 280.4
    gamma-butyrolactone 832.0
    1-methoxy-2-propanol 344.28
    pyridine 575.18
    3-pentanone 195.28
    furfural 702.17
    n-dodecane 6.4
    diethylene glycol 211.13
    diisopropyl ether 57.28
    tert-amyl alcohol 279.57
    acetylacetone 297.73
    n-hexadecane 7.44
    acetophenone 175.07
    methyl propionate 222.77
    isopentyl acetate 244.34
    trichloroethylene 1301.97
    n-nonanol 86.15
    cyclohexanol 322.58
    benzyl alcohol 181.1
    2-ethylhexanol 111.63
    isooctanol 98.17
    dipropyl ether 94.43
    1,2-dichlorobenzene 320.5
    ethyl lactate 108.15
    propylene carbonate 511.42
    n-methylformamide 407.57
    2-pentanol 208.14
    n-pentane 18.49
    1-propoxy-2-propanol 223.64
    1-methoxy-2-propyl acetate 225.68
    2-(2-methoxypropoxy) propanol 149.7
    mesitylene 75.53
    ε-caprolactone 530.89
    p-cymene 60.47
    epichlorohydrin 667.05
    1,1,1-trichloroethane 585.63
    2-aminoethanol 246.41
    morpholine-4-carbaldehyde 473.39
    sulfolane 889.41
    2,2,4-trimethylpentane 17.52
    2-methyltetrahydrofuran 481.22
    n-hexyl acetate 210.45
    isooctane 11.08
    2-(2-butoxyethoxy)ethanol 214.12
    sec-butyl acetate 136.59
    tert-butyl acetate 200.11
    decalin 21.04
    glycerin 218.44
    diglyme 365.8
    acrylic acid 400.95
    isopropyl myristate 67.24
    n-butyric acid 662.76
    acetyl acetate 254.55
    di(2-ethylhexyl) phthalate 93.99
    ethyl propionate 150.64
    nitromethane 618.25
    1,2-diethoxyethane 183.51
    benzonitrile 293.22
    trioctyl phosphate 66.97
    1-bromopropane 307.64
    gamma-valerolactone 765.53
    n-decanol 59.36
    triethyl phosphate 84.29
    4-methyl-2-pentanol 116.42
    propionitrile 295.49
    vinylene carbonate 462.38
    1,1,2-trichlorotrifluoroethane 615.6
    DMS 161.34
    cumene 57.58
    2-octanol 80.76
    2-hexanone 183.78
    octyl acetate 92.04
    limonene 84.52
    1,2-dimethoxyethane 315.67
    ethyl orthosilicate 81.7
    tributyl phosphate 83.23
    diacetone alcohol 248.91
    N,N-dimethylaniline 102.71
    acrylonitrile 387.3
    aniline 283.41
    1,3-propanediol 336.48
    bromobenzene 355.73
    dibromomethane 712.91
    1,1,2,2-tetrachloroethane 1110.31
    2-methyl-cyclohexyl acetate 132.66
    tetrabutyl urea 97.48
    diisobutyl methanol 71.09
    2-phenylethanol 170.28
    styrene 106.98
    dioctyl adipate 106.72
    dimethyl sulfate 192.28
    ethyl butyrate 159.05
    methyl lactate 152.6
    butyl lactate 177.37
    diethyl carbonate 111.23
    propanediol butyl ether 203.45
    triethyl orthoformate 118.56
    p-tert-butyltoluene 57.72
    methyl 4-tert-butylbenzoate 168.97
    morpholine 531.17
    tert-butylamine 209.14
    n-dodecanol 43.29
    dimethoxymethane 238.59
    ethylene carbonate 384.7
    cyrene 178.18
    2-ethoxyethyl acetate 216.77
    2-ethylhexyl acetate 191.27
    1,2,4-trichlorobenzene 362.41
    4-methylpyridine 464.97
    dibutyl ether 92.59
    2,6-dimethyl-4-heptanol 71.09
    DEF 320.9
    dimethyl isosorbide 262.72
    tetrachloroethylene 757.85
    eugenol 169.04
    triacetin 184.67
    span 80 167.97
    1,4-butanediol 123.6
    1,1-dichloroethane 685.55
    2-methyl-1-pentanol 173.68
    methyl formate 269.64
    2-methyl-1-butanol 253.59
    n-decane 10.51
    butyronitrile 334.78
    3,7-dimethyl-1-octanol 97.07
    1-chlorooctane 59.66
    1-chlorotetradecane 22.72
    n-nonane 9.03
    undecane 7.89
    tert-butylcyclohexane 18.77
    cyclooctane 12.1
    cyclopentanol 402.67
    tetrahydropyran 453.28
    tert-amyl methyl ether 162.4
    2,5,8-trioxanonane 228.56
    1-hexene 81.5
    2-isopropoxyethanol 169.42
    2,2,2-trifluoroethanol 247.65
    methyl butyrate 243.25

    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