Benzene, 1,1'-oxybis[methyl-

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  • Identifiers

    CAS number
    4731-34-4

    Molecular formula
    C14H14O

    SMILES
    CC1=CC=CC=C1OC2=CC=CC=C2C

  • Odor profile

    Fragrance
    Phenolic 69.43%
    Leathery 45.88%
    Medicinal 45.67%
    Spicy 45.59%
    Smoky 41.19%
    Animal 39.93%
    Herbal 37.48%
    Earthy 34.6%
    Sweet 34.57%
    Anisic 31.07%

     

    Flavor
    Phenolic 66.84%
    Sweet 53.56%
    Medicinal 45.5%
    Smoky 35.62%
    Smoke 34.5%
    Powdery 34.44%
    Spicy 33.07%
    Phenol 32.51%
    Herbal 30.74%
    Nutty 29.96%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    4.2

    pKa est.
    7.72 (neutral)

    Molecular weight
    198.26 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    274°C

    Flash point

    • 111.15 ˚C est.

  • Synonyms

    • 1-methyl-2-(2-methylphenoxy)benzene
    • Di-o-tolyl ether
    • 4731-34-4
    • TOLYL ETHER
    • Benzene,1,1'-oxybis[methyl-
    • 1,1'-oxybis(2-methylbenzene)
    • Benzene, 1,1'-oxybis(methyl-
    • benzene, 1,1'-oxybis[2-methyl-
    • EINECS 225-233-7
    • EINECS 248-948-6
    • AI3-02478
    • Benzene, 1,1'-oxybis(2-methyl-
    • EC 248-948-6
    • bis(2-methylphenyl) ether
    • 1,1'-Oxybis[2-methylbenzene]
    • Benzene, 1,1'-oxybis[methyl-
    • 2,2'-dimethyldiphenyl ether
    • bis(o-tolyl) ether
    • MFCD00035807
    • SCHEMBL127000
    • DTXSID10892276
    • HS-5863
    • DB-238280
    • NS00008768
    • 225-233-7

  • Applications

    Chemical name: Benzene, 1,1'-oxybis[methyl-; CAS 4731-34-4. In industrial contexts, this aryl ether typically serves as an intermediate in the synthesis of specialty polymers and resins; as a solvent or diluent for coatings, inks, and adhesives; as a processing aid in plastics manufacturing; as a precursor to certain plasticizers and stabilizers; and as an industrial cleaning solvent.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 416.47
    methanol 229.69
    isopropanol 312.72
    water 0.92
    ethyl acetate 1758.12
    n-propanol 415.21
    acetone 831.18
    n-butanol 457.85
    acetonitrile 1338.1
    DMF 653.0
    toluene 959.73
    isobutanol 326.39
    1,4-dioxane 1637.68
    methyl acetate 1307.72
    THF 1742.15
    2-butanone 1317.61
    n-pentanol 350.56
    sec-butanol 440.96
    n-hexane 383.34
    ethylene glycol 26.66
    NMP 463.84
    cyclohexane 428.09
    DMSO 435.7
    n-butyl acetate 1427.85
    n-octanol 339.83
    chloroform 5940.72
    n-propyl acetate 1154.56
    acetic acid 416.13
    dichloromethane 6416.58
    cyclohexanone 1353.73
    propylene glycol 52.08
    isopropyl acetate 797.46
    DMAc 752.1
    2-ethoxyethanol 426.49
    isopentanol 413.24
    n-heptane 275.96
    ethyl formate 1029.92
    1,2-dichloroethane 3027.74
    n-hexanol 439.89
    2-methoxyethanol 436.95
    isobutyl acetate 657.88
    tetrachloromethane 829.89
    n-pentyl acetate 684.33
    transcutol 1378.82
    n-heptanol 296.63
    ethylbenzene 781.4
    MIBK 529.9
    2-propoxyethanol 463.98
    tert-butanol 399.5
    MTBE 758.49
    2-butoxyethanol 399.07
    propionic acid 425.26
    o-xylene 515.77
    formic acid 69.67
    diethyl ether 1516.97
    m-xylene 473.74
    p-xylene 959.12
    chlorobenzene 1226.05
    dimethyl carbonate 417.99
    n-octane 145.63
    formamide 271.28
    cyclopentanone 1276.14
    2-pentanone 1040.98
    anisole 1055.79
    cyclopentyl methyl ether 778.16
    gamma-butyrolactone 1459.91
    1-methoxy-2-propanol 343.71
    pyridine 2054.66
    3-pentanone 996.37
    furfural 1154.75
    n-dodecane 81.94
    diethylene glycol 170.31
    diisopropyl ether 366.2
    tert-amyl alcohol 453.49
    acetylacetone 922.6
    n-hexadecane 95.67
    acetophenone 865.14
    methyl propionate 928.21
    isopentyl acetate 970.3
    trichloroethylene 5013.57
    n-nonanol 314.03
    cyclohexanol 415.52
    benzyl alcohol 464.24
    2-ethylhexanol 419.94
    isooctanol 252.82
    dipropyl ether 953.45
    1,2-dichlorobenzene 1134.04
    ethyl lactate 235.52
    propylene carbonate 1020.07
    n-methylformamide 410.31
    2-pentanol 364.98
    n-pentane 206.59
    1-propoxy-2-propanol 418.09
    1-methoxy-2-propyl acetate 629.49
    2-(2-methoxypropoxy) propanol 359.9
    mesitylene 304.63
    ε-caprolactone 1329.35
    p-cymene 351.78
    epichlorohydrin 2095.02
    1,1,1-trichloroethane 2498.87
    2-aminoethanol 89.95
    morpholine-4-carbaldehyde 743.97
    sulfolane 918.29
    2,2,4-trimethylpentane 96.99
    2-methyltetrahydrofuran 1355.29
    n-hexyl acetate 843.89
    isooctane 68.29
    2-(2-butoxyethoxy)ethanol 483.31
    sec-butyl acetate 687.28
    tert-butyl acetate 637.3
    decalin 201.77
    glycerin 57.13
    diglyme 1277.02
    acrylic acid 335.82
    isopropyl myristate 348.41
    n-butyric acid 754.11
    acetyl acetate 939.0
    di(2-ethylhexyl) phthalate 227.59
    ethyl propionate 1056.37
    nitromethane 1015.4
    1,2-diethoxyethane 1232.84
    benzonitrile 880.99
    trioctyl phosphate 164.9
    1-bromopropane 1828.61
    gamma-valerolactone 1218.8
    n-decanol 228.26
    triethyl phosphate 354.75
    4-methyl-2-pentanol 213.76
    propionitrile 1097.82
    vinylene carbonate 1065.64
    1,1,2-trichlorotrifluoroethane 709.28
    DMS 588.82
    cumene 416.62
    2-octanol 259.64
    2-hexanone 927.61
    octyl acetate 418.11
    limonene 421.71
    1,2-dimethoxyethane 1363.06
    ethyl orthosilicate 356.37
    tributyl phosphate 246.94
    diacetone alcohol 402.22
    N,N-dimethylaniline 599.6
    acrylonitrile 1078.7
    aniline 579.63
    1,3-propanediol 185.12
    bromobenzene 1622.59
    dibromomethane 4071.11
    1,1,2,2-tetrachloroethane 3371.46
    2-methyl-cyclohexyl acetate 595.16
    tetrabutyl urea 295.79
    diisobutyl methanol 238.01
    2-phenylethanol 453.96
    styrene 967.72
    dioctyl adipate 466.03
    dimethyl sulfate 368.17
    ethyl butyrate 1186.04
    methyl lactate 183.37
    butyl lactate 296.75
    diethyl carbonate 818.4
    propanediol butyl ether 220.4
    triethyl orthoformate 621.4
    p-tert-butyltoluene 300.55
    methyl 4-tert-butylbenzoate 485.72
    morpholine 1334.23
    tert-butylamine 344.11
    n-dodecanol 176.83
    dimethoxymethane 739.31
    ethylene carbonate 901.02
    cyrene 301.93
    2-ethoxyethyl acetate 783.19
    2-ethylhexyl acetate 875.75
    1,2,4-trichlorobenzene 1067.08
    4-methylpyridine 1621.43
    dibutyl ether 858.34
    2,6-dimethyl-4-heptanol 238.01
    DEF 1041.69
    dimethyl isosorbide 758.41
    tetrachloroethylene 2188.1
    eugenol 416.58
    triacetin 552.42
    span 80 297.71
    1,4-butanediol 86.5
    1,1-dichloroethane 2686.01
    2-methyl-1-pentanol 372.81
    methyl formate 389.36
    2-methyl-1-butanol 402.57
    n-decane 157.13
    butyronitrile 1193.72
    3,7-dimethyl-1-octanol 311.3
    1-chlorooctane 508.9
    1-chlorotetradecane 180.68
    n-nonane 168.65
    undecane 106.77
    tert-butylcyclohexane 179.16
    cyclooctane 163.83
    cyclopentanol 353.05
    tetrahydropyran 1749.13
    tert-amyl methyl ether 570.26
    2,5,8-trioxanonane 714.35
    1-hexene 874.43
    2-isopropoxyethanol 334.04
    2,2,2-trifluoroethanol 175.44
    methyl butyrate 1398.71

    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