1,3,5,7-Tetramethyl-1,3,5,7-tetravinylcyclotetrasiloxane

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  • Identifiers

    CAS number
    2554-06-5

    Molecular formula
    C12H24O4Si4

    SMILES
    C[Si]1(O[Si](O[Si](O[Si](O1)(C)C=C)(C)C=C)(C)C=C)C=C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 48.78%
    Sweet 22.95%
    Fruity 21.72%
    Roasted 21.14%
    Spicy 18.1%
    Burnt 17.61%
    Cooked 17.24%
    Meaty 16.59%
    Pungent 16.55%
    Green 15.84%

     

    Flavor
    Fruity 28.99%
    Bitter 26.76%
    Nutty 26.01%
    Green 24.1%
    Earthy 20.71%
    Floral 20.63%
    Roasted 20.19%
    Taco 19.71%
    Bouillon 19.5%
    Matches 19.29%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    7.99 (neutral)

    Molecular weight
    344.66 g/mol

    Flash point

    • 101.89 ˚C est.

  • Synonyms

    • 2554-06-5
    • 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane
    • Cyclotetrasiloxane, 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-
    • 1,3,5,7-Tetramethyl-1,3,5,7-tetravinylcyclotetrasiloxane
    • 2,4,6,8-Tetraethenyl-2,4,6,8-tetramethylcyclotetrasiloxane
    • 3NT606T1VK
    • DTXSID3038808
    • TM-TVCS
    • DTXCID1018808
    • Cyclotetrasiloxane, 2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-
    • RefChem:412447
    • 219-863-1
    • 2,4,6,8-Tetramethyl-2,4,6,8-tetravinyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
    • 27342-69-4
    • 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane
    • 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
    • C12H24O4Si4
    • Tetramethyltetravinylcyclotetrasiloxane
    • S-Tetramethyltetravinylcyclotetrasiloxane
    • 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
    • 1,3,5,7-tetravinyltetramethylcyclotetrasiloxane
    • MFCD00040293
    • Tetravinyltetramethylcyclotetrasiloxane
    • Cyclotetrasiloxane, tetraethenyltetramethyl-
    • 2,4,6,8-Tetramethyltetravinylcyclotetrasiloxane
    • Methyl vinyl cyclotetrasiloxane
    • 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane
    • EINECS 219-863-1
    • EINECS 248-418-4
    • Tetraethenyltetramethylcyclotetrasiloxane
    • starbld0027409
    • UNII-3NT606T1VK
    • SCHEMBL78748
    • CHEMBL3183255
    • SCHEMBL16001932
    • SCHEMBL16001933
    • SCHEMBL17107870
    • Tox21_301527
    • MSK165836
    • AKOS008901212
    • s16255
    • s16500
    • NCGC00255671-01
    • AS-15205
    • SY041894
    • CAS-2554-06-5
    • CS-0167988
    • NS00044825
    • T2523
    • 1,3,5,7-tetramethyltetravinylcyclotetrasiloxane
    • D71084
    • EC 219-863-1
    • Q27257777
    • 2,4,6,8-Tetramethyl2,4,6,8-tetravinylcyclo-tetrasiloxane
    • 2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-cyclotetrasiloxane
    • 2554-06-5

  • Applications

    1,3,5,7-Tetramethyl-1,3,5,7-tetravinylcyclotetrasiloxane is a multi-functional siloxane platform for silicone chemistry. It may be used as a crosslinking agent in silicone elastomers and resins via hydrosilylation or radical routes, enabling networks with improved thermal and mechanical properties. It serves as an intermediate in the synthesis of functional siloxanes and in the preparation of coatings and sealants with vinyl functionality. It can act as a reactive diluent or spacer in high-performance coatings and inks, providing controlled crosslink density. It may be employed in adhesives and sealants to enhance cure and adhesion characteristics. In electronics, it may be used in encapsulation and protective coatings to improve stability and insulation, leveraging the thermal and dielectric properties of siloxanes. Subject to local regulations and formulation limits (2554-06-5).

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 77.33
    methanol 94.62
    isopropanol 61.27
    water 3.99
    ethyl acetate 86.47
    n-propanol 76.39
    acetone 113.04
    n-butanol 68.09
    acetonitrile 53.1
    DMF 340.43
    toluene 64.77
    isobutanol 52.91
    1,4-dioxane 131.21
    methyl acetate 84.33
    THF 329.63
    2-butanone 106.57
    n-pentanol 51.98
    sec-butanol 59.1
    n-hexane 17.15
    ethylene glycol 34.6
    NMP 359.92
    cyclohexane 29.25
    DMSO 294.39
    n-butyl acetate 76.61
    n-octanol 46.42
    chloroform 277.77
    n-propyl acetate 67.12
    acetic acid 62.03
    dichloromethane 238.21
    cyclohexanone 179.37
    propylene glycol 49.17
    isopropyl acetate 66.73
    DMAc 278.81
    2-ethoxyethanol 86.05
    isopentanol 49.99
    n-heptane 18.16
    ethyl formate 81.96
    1,2-dichloroethane 147.06
    n-hexanol 75.03
    2-methoxyethanol 151.69
    isobutyl acetate 48.74
    tetrachloromethane 58.88
    n-pentyl acetate 79.0
    transcutol 69.1
    n-heptanol 54.28
    ethylbenzene 38.97
    MIBK 68.26
    2-propoxyethanol 138.82
    tert-butanol 59.81
    MTBE 52.86
    2-butoxyethanol 87.22
    propionic acid 69.41
    o-xylene 47.48
    formic acid 40.77
    diethyl ether 82.5
    m-xylene 47.32
    p-xylene 45.45
    chlorobenzene 90.32
    dimethyl carbonate 75.84
    n-octane 10.94
    formamide 70.14
    cyclopentanone 267.72
    2-pentanone 104.08
    anisole 74.73
    cyclopentyl methyl ether 135.34
    gamma-butyrolactone 278.88
    1-methoxy-2-propanol 134.22
    pyridine 141.85
    3-pentanone 94.08
    furfural 223.37
    n-dodecane 9.07
    diethylene glycol 98.68
    diisopropyl ether 31.81
    tert-amyl alcohol 54.23
    acetylacetone 112.78
    n-hexadecane 10.11
    acetophenone 85.18
    methyl propionate 102.99
    isopentyl acetate 63.59
    trichloroethylene 217.84
    n-nonanol 45.74
    cyclohexanol 74.12
    benzyl alcohol 65.12
    2-ethylhexanol 51.14
    isooctanol 40.97
    dipropyl ether 63.58
    1,2-dichlorobenzene 92.25
    ethyl lactate 53.69
    propylene carbonate 149.58
    n-methylformamide 142.77
    2-pentanol 48.03
    n-pentane 20.56
    1-propoxy-2-propanol 95.12
    1-methoxy-2-propyl acetate 90.56
    2-(2-methoxypropoxy) propanol 62.64
    mesitylene 32.96
    ε-caprolactone 156.22
    p-cymene 34.54
    epichlorohydrin 230.83
    1,1,1-trichloroethane 117.81
    2-aminoethanol 61.15
    morpholine-4-carbaldehyde 239.57
    sulfolane 360.32
    2,2,4-trimethylpentane 9.66
    2-methyltetrahydrofuran 162.18
    n-hexyl acetate 84.08
    isooctane 7.27
    2-(2-butoxyethoxy)ethanol 71.58
    sec-butyl acetate 51.41
    tert-butyl acetate 66.02
    decalin 15.65
    glycerin 76.25
    diglyme 116.77
    acrylic acid 64.13
    isopropyl myristate 41.44
    n-butyric acid 83.2
    acetyl acetate 57.81
    di(2-ethylhexyl) phthalate 45.73
    ethyl propionate 72.2
    nitromethane 118.54
    1,2-diethoxyethane 53.58
    benzonitrile 74.18
    trioctyl phosphate 40.99
    1-bromopropane 100.59
    gamma-valerolactone 276.68
    n-decanol 36.62
    triethyl phosphate 47.41
    4-methyl-2-pentanol 33.86
    propionitrile 67.16
    vinylene carbonate 135.09
    1,1,2-trichlorotrifluoroethane 174.51
    DMS 65.93
    cumene 29.98
    2-octanol 41.88
    2-hexanone 73.97
    octyl acetate 54.51
    limonene 47.81
    1,2-dimethoxyethane 129.83
    ethyl orthosilicate 45.06
    tributyl phosphate 39.39
    diacetone alcohol 79.25
    N,N-dimethylaniline 66.16
    acrylonitrile 78.36
    aniline 71.98
    1,3-propanediol 73.35
    bromobenzene 91.3
    dibromomethane 172.65
    1,1,2,2-tetrachloroethane 207.51
    2-methyl-cyclohexyl acetate 69.71
    tetrabutyl urea 64.09
    diisobutyl methanol 30.39
    2-phenylethanol 82.66
    styrene 45.03
    dioctyl adipate 55.98
    dimethyl sulfate 137.77
    ethyl butyrate 66.46
    methyl lactate 88.24
    butyl lactate 67.48
    diethyl carbonate 46.45
    propanediol butyl ether 65.96
    triethyl orthoformate 52.23
    p-tert-butyltoluene 34.08
    methyl 4-tert-butylbenzoate 83.05
    morpholine 162.6
    tert-butylamine 41.46
    n-dodecanol 28.9
    dimethoxymethane 205.77
    ethylene carbonate 109.37
    cyrene 108.66
    2-ethoxyethyl acetate 84.67
    2-ethylhexyl acetate 61.12
    1,2,4-trichlorobenzene 109.93
    4-methylpyridine 130.61
    dibutyl ether 41.75
    2,6-dimethyl-4-heptanol 30.39
    DEF 135.45
    dimethyl isosorbide 125.13
    tetrachloroethylene 132.74
    eugenol 88.28
    triacetin 69.37
    span 80 69.14
    1,4-butanediol 36.18
    1,1-dichloroethane 117.34
    2-methyl-1-pentanol 43.33
    methyl formate 112.1
    2-methyl-1-butanol 51.7
    n-decane 14.05
    butyronitrile 67.63
    3,7-dimethyl-1-octanol 37.24
    1-chlorooctane 41.6
    1-chlorotetradecane 20.3
    n-nonane 12.75
    undecane 11.01
    tert-butylcyclohexane 12.82
    cyclooctane 14.34
    cyclopentanol 105.49
    tetrahydropyran 136.28
    tert-amyl methyl ether 56.29
    2,5,8-trioxanonane 87.98
    1-hexene 37.11
    2-isopropoxyethanol 58.59
    2,2,2-trifluoroethanol 46.15
    methyl butyrate 85.16

    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