2,6-Di-t-butyl-p-benzoquinone

Overview IFRA Request a quote

  • Identifiers

    CAS number
    719-22-2

    Molecular formula
    C14H20O2

    SMILES
    CC(C)(C)C1=CC(=O)C=C(C1=O)C(C)(C)C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Woody 57.67%
    Mint 50.59%
    Camphoreous 46.01%
    Herbal 45.7%
    Fruity 42.24%
    Tobacco 38.72%
    Dry 37.47%
    Sweet 30.02%
    Spicy 29.49%
    Green 23.73%

     

    Flavor
    Bitter 42.03%
    Herbal 33.17%
    Woody 26.54%
    Camphor 26.43%
    Minty 24.73%
    Red fruit 21.02%
    Phenolic 20.88%
    Cedarleaf 20.87%
    Ripe apricot 20.72%
    Basil 20.48%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.4

    pKa est.
    7.42 (neutral)

    Molecular weight
    220.31 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very slow

    Boiling point est.
    294°C

    Melting point expt.

    • 65-67 °C

    Flash point

    • 128.09 ˚C est.

  • Synonyms

    • 719-22-2
    • 2,6-Di-tert-butyl-P-benzoquinone
    • 2,6-Di-tert-butylcyclohexa-2,5-diene-1,4-dione
    • 2,6-Di-tert-butyl-1,4-benzoquinone
    • 2,6-Di-tert-butylbenzoquinone
    • 2,6-Di-tert-butylquinone
    • 2,6-DI-T-BUTYL-P-BENZOQUINONE
    • 2,5-Cyclohexadiene-1,4-dione, 2,6-bis(1,1-dimethylethyl)-
    • p-Benzoquinone, 2,6-di-tert-butyl-
    • 2,6-Di-t-butyl-1,4-benzoquinone
    • 2,6-Bis(1,1-dimethylethyl)-2,5-cyclohexadiene-1,4-dione
    • NSC 14448
    • CCRIS 7070
    • 2,6-di(tert-butyl)benzo-1,4-quinone
    • HSDB 2775
    • 2,6-ditert-butylcyclohexa-2,5-diene-1,4-dione
    • EINECS 211-946-0
    • 4C9D8L0Y0T
    • DBQ
    • AI3-61049
    • NSC-14448
    • 3,5-di-tert-butylquinone
    • 2,6-di-tert-butylbenzo-1,4-quinone
    • 2,6-bis-tert-Butylbenzoquinone
    • DTXSID7021493
    • CHEBI:89187
    • 2,6-di-tert-Butyl-para-benzoquinone
    • MFCD00001601
    • 2,5-Cyclohexadien-1,4-dione, 2,6-bis(1,1-dimethylethyl)-
    • 2,6-bis-(1,1-dimethylethyl)-2,5-cyclohexadiene-1,4-dione
    • 3,5-DI-TERT-BUTYL-P-BENZOQUINONE
    • Benzoquinone, 2,6-di-(1,1-dimethylethyl)
    • 2,6-DI-T-BUTYL-P-BENZOQUINONE [HSDB]
    • p-Benzoquinone, 2,6-bis-(1,1-dimethylethyl)
    • BIS(1,1-DIMETHYLETHYL)-2,6-CYCLOHEXADIENE-1,4-DIONE, 2,6-
    • UNII-4C9D8L0Y0T
    • 2,6-Ditert-butylbenzo-1,4-quinone
    • 2,6Ditertbutylquinone
    • Maybridge1_002204
    • 2,6Ditertbutylbenzoquinone
    • CBMicro_047944
    • 2,6DitertbutylPbenzoquinone
    • 2, 6-Di-tert-butylquinone
    • 2,6Ditbutyl1,4benzoquinone
    • pBenzoquinone, 2,6ditertbutyl
    • SCHEMBL853674
    • 2,6-ditert.butyl-benzoquinone
    • 2,6-Di-tert-butyl-p-quinone
    • 2,6Ditertbutyl1,4benzoquinone
    • DTXCID801493
    • CHEMBL3185121
    • HMS547M04
    • p-Benzoquinone,6-di-tert-butyl-
    • NSC14448
    • 2, 6-Di-tert-butyl-p-benzoquinone
    • Tox21_200521
    • BTB 09891
    • CCG-49871
    • 2,6-di(tertiarybutyl)-p-benzoquinone
    • 2,6-di-tertiary-butyl-p-benzoquinone
    • 2,6-ditert-butyl-[1,4]benzoquinone
    • 3,5-di-tertiary-butyl-p-benzoquinone
    • AKOS015841128
    • 2,6-di(tertiary-butyl)-p-benzoquinone
    • CS-W013138
    • FD33565
    • 2,6-Di-tert-butyl-[1,4]benzoquinone
    • 2,6-Di-tert.-butyl-1,4-benzoquinone
    • 2,6-Ditert-butylbenzo-1,4-quinone #
    • NCGC00248670-01
    • NCGC00258075-01
    • AS-18524
    • CAS-719-22-2
    • SY048468
    • BIM-0047946.P001
    • DB-020256
    • 2,4-dione, 2,6-bis(1,1-dimethylethyl)-
    • 2,6-bis(1,1-dimethylethyl)-p-benzoquinone
    • 2,6-Di-tert-butyl-1,4-benzoquinone, 98%
    • D2256
    • NS00010801
    • D90022
    • 2,1-dimethylethyl)-2,5-cyclohexadiene-1,4-dione
    • 2,6Bis(1,1dimethylethyl)2,5cyclohexadiene1,4dione
    • SR-01000639296-1
    • 2,5Cyclohexadiene1,4dione, 2,6bis(1,1dimethylethyl)
    • 2,6-Ditert-butylbenzo-1,4-quinone (ACD/Name 4.0)
    • Q27161373
    • 2,6-Bis-(1,1-Dimethylethyl)-2,5-cycloxehadien-1,4-dione
    • 2,6-Bis(1, 1-dimethylethyl)-2,5-cyclohexadiene-1,4-dione
    • 211-946-0

  • Applications

    2,6-Di-t-butyl-p-benzoquinone (CAS 719-22-2) is used primarily as an antioxidant and stabilizer in polymer formulations and coatings, where its hindered quinone core helps suppress radical degradation during processing and service. It also serves as a chemical intermediate for the synthesis of specialty dyes, pigments, and other quinone derivatives, providing redox-active building blocks for organic synthesis. In industrial manufacturing, it may be explored as a redox mediator or co-initiator in polymerization and as a precursor to antioxidant additives for lubricants, adhesives, and sealants. The quinone core can also be a starting point for research into electronics-related compounds and energy-storage applications, where its redox properties are of interest, subject to formulation limits and local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 50.78
    methanol 41.81
    isopropanol 55.87
    water 0.7
    ethyl acetate 59.92
    n-propanol 61.77
    acetone 88.36
    n-butanol 59.67
    acetonitrile 62.07
    DMF 201.58
    toluene 87.97
    isobutanol 56.07
    1,4-dioxane 107.07
    methyl acetate 78.49
    THF 235.74
    2-butanone 107.8
    n-pentanol 47.87
    sec-butanol 66.94
    n-hexane 19.42
    ethylene glycol 16.78
    NMP 261.95
    cyclohexane 29.94
    DMSO 70.6
    n-butyl acetate 91.21
    n-octanol 51.23
    chloroform 259.72
    n-propyl acetate 56.01
    acetic acid 42.38
    dichloromethane 157.09
    cyclohexanone 166.35
    propylene glycol 34.78
    isopropyl acetate 49.46
    DMAc 187.7
    2-ethoxyethanol 44.27
    isopentanol 49.71
    n-heptane 19.46
    ethyl formate 70.42
    1,2-dichloroethane 93.29
    n-hexanol 91.15
    2-methoxyethanol 77.93
    isobutyl acetate 48.54
    tetrachloromethane 45.11
    n-pentyl acetate 60.3
    transcutol 51.16
    n-heptanol 53.57
    ethylbenzene 76.32
    MIBK 56.47
    2-propoxyethanol 100.26
    tert-butanol 63.12
    MTBE 51.56
    2-butoxyethanol 62.77
    propionic acid 56.84
    o-xylene 72.09
    formic acid 17.18
    diethyl ether 42.63
    m-xylene 68.44
    p-xylene 102.06
    chlorobenzene 113.81
    dimethyl carbonate 41.75
    n-octane 13.04
    formamide 27.64
    cyclopentanone 225.62
    2-pentanone 78.79
    anisole 90.4
    cyclopentyl methyl ether 93.45
    gamma-butyrolactone 204.05
    1-methoxy-2-propanol 74.66
    pyridine 154.11
    3-pentanone 68.45
    furfural 183.48
    n-dodecane 11.59
    diethylene glycol 56.56
    diisopropyl ether 20.82
    tert-amyl alcohol 69.08
    acetylacetone 77.96
    n-hexadecane 12.87
    acetophenone 103.24
    methyl propionate 71.73
    isopentyl acetate 86.1
    trichloroethylene 194.48
    n-nonanol 47.85
    cyclohexanol 78.41
    benzyl alcohol 79.01
    2-ethylhexanol 68.27
    isooctanol 44.28
    dipropyl ether 48.51
    1,2-dichlorobenzene 104.46
    ethyl lactate 50.57
    propylene carbonate 156.18
    n-methylformamide 74.37
    2-pentanol 45.83
    n-pentane 17.61
    1-propoxy-2-propanol 86.28
    1-methoxy-2-propyl acetate 82.33
    2-(2-methoxypropoxy) propanol 67.5
    mesitylene 45.56
    ε-caprolactone 147.75
    p-cymene 61.94
    epichlorohydrin 162.43
    1,1,1-trichloroethane 119.56
    2-aminoethanol 35.4
    morpholine-4-carbaldehyde 167.16
    sulfolane 208.31
    2,2,4-trimethylpentane 12.16
    2-methyltetrahydrofuran 142.53
    n-hexyl acetate 79.9
    isooctane 8.68
    2-(2-butoxyethoxy)ethanol 60.1
    sec-butyl acetate 46.86
    tert-butyl acetate 53.56
    decalin 25.19
    glycerin 38.33
    diglyme 84.28
    acrylic acid 51.52
    isopropyl myristate 45.43
    n-butyric acid 76.39
    acetyl acetate 42.3
    di(2-ethylhexyl) phthalate 55.05
    ethyl propionate 59.13
    nitromethane 74.75
    1,2-diethoxyethane 38.8
    benzonitrile 107.16
    trioctyl phosphate 41.44
    1-bromopropane 81.04
    gamma-valerolactone 212.93
    n-decanol 40.24
    triethyl phosphate 54.02
    4-methyl-2-pentanol 32.95
    propionitrile 78.01
    vinylene carbonate 130.67
    1,1,2-trichlorotrifluoroethane 110.55
    DMS 66.81
    cumene 56.52
    2-octanol 45.27
    2-hexanone 71.79
    octyl acetate 57.64
    limonene 66.82
    1,2-dimethoxyethane 96.34
    ethyl orthosilicate 46.59
    tributyl phosphate 42.7
    diacetone alcohol 72.9
    N,N-dimethylaniline 87.72
    acrylonitrile 92.29
    aniline 77.61
    1,3-propanediol 45.9
    bromobenzene 121.25
    dibromomethane 127.71
    1,1,2,2-tetrachloroethane 186.8
    2-methyl-cyclohexyl acetate 88.2
    tetrabutyl urea 64.38
    diisobutyl methanol 37.72
    2-phenylethanol 107.26
    styrene 71.84
    dioctyl adipate 61.89
    dimethyl sulfate 63.92
    ethyl butyrate 72.28
    methyl lactate 56.75
    butyl lactate 62.75
    diethyl carbonate 58.02
    propanediol butyl ether 59.34
    triethyl orthoformate 56.0
    p-tert-butyltoluene 61.73
    methyl 4-tert-butylbenzoate 95.3
    morpholine 127.5
    tert-butylamine 48.0
    n-dodecanol 34.18
    dimethoxymethane 87.0
    ethylene carbonate 98.35
    cyrene 113.01
    2-ethoxyethyl acetate 52.59
    2-ethylhexyl acetate 75.93
    1,2,4-trichlorobenzene 124.14
    4-methylpyridine 159.01
    dibutyl ether 38.82
    2,6-dimethyl-4-heptanol 37.72
    DEF 91.67
    dimethyl isosorbide 141.75
    tetrachloroethylene 98.99
    eugenol 91.4
    triacetin 60.89
    span 80 73.91
    1,4-butanediol 27.12
    1,1-dichloroethane 115.06
    2-methyl-1-pentanol 47.89
    methyl formate 67.47
    2-methyl-1-butanol 56.31
    n-decane 15.94
    butyronitrile 81.55
    3,7-dimethyl-1-octanol 48.91
    1-chlorooctane 44.83
    1-chlorotetradecane 25.01
    n-nonane 15.24
    undecane 13.44
    tert-butylcyclohexane 22.93
    cyclooctane 13.72
    cyclopentanol 105.47
    tetrahydropyran 117.74
    tert-amyl methyl ether 54.31
    2,5,8-trioxanonane 72.15
    1-hexene 46.38
    2-isopropoxyethanol 39.05
    2,2,2-trifluoroethanol 25.98
    methyl butyrate 85.53

    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