Trichloropentylsilane

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  • Identifiers

    CAS number
    107-72-2

    Molecular formula
    C5H11Cl3Si

    SMILES
    CCCCC[Si](Cl)(Cl)Cl

    Safety labels

    Flammable
    Flammable

    Corrosive
    Corrosive

    Acute Toxic
    Acute Toxic

  • Odor profile

    Fragrance
    Floral 34.46%
    Sweet 32.88%
    Oily 31.51%
    Fishy 29.37%
    Woody 28.04%
    Fresh 27.88%
    Odorless 27.81%
    Waxy 27.17%
    Citrus 26.19%
    Herbal 24.88%

     

    Flavor
    Sulfurous 26.55%
    Sulfury 22.84%
    Odorless 22.04%
    Mild 21.76%
    Meaty 21.58%
    Bloody 20.47%
    Skunky 20.47%
    Bland 20.44%
    Glue 20.15%
    Violet-leaf 18.79%

     

    Odor impact est.
    Medium

  • Properties

    pKa est.
    6.35 (neutral)

    Molecular weight
    205.6 g/mol

    Boiling point

    • 320 °F at 760 mmHg (USCG, 1999)
    • 172 °C; 60.5 °C at 15 mm Hg

    Flash point

    • 62.94 ˚C est.
    • 145 °F (USCG, 1999)
    • 145 °F (63 °C) OC

  • Synonyms

    • Pentyltrichlorosilane
    • Amyltrichlorosilane
    • 107-72-2
    • trichloro(pentyl)silane
    • Trichloroamylsilane
    • TRICHLOROPENTYLSILANE
    • Silane, trichloropentyl-
    • Pentylsilicon trichloride
    • HSDB 887
    • Silane, pentyltrichloro-
    • EINECS 203-515-0
    • UNII-N9GP7288ZP
    • UN1728
    • BRN 1737947
    • n-Pentyltrichlorosilane
    • N9GP7288ZP
    • 4-04-00-04249 (Beilstein Handbook Reference)
    • TRICHLOROPENTYLSILANE [HSDB]
    • CA0900
    • UN 1728
    • UN1-728
    • Amyl trichlorosilane
    • Amiltriclorosilano
    • n-Amyltrichlorosilane
    • pentyl-trichloro-silane
    • Silane, trichloropentyl
    • AMYL TRICHOROSILANE
    • Amyltrichlorosilane, 97%
    • Amiltriclorosilano (Spanish)
    • SCHEMBL430930
    • DTXSID70861726
    • AKOS015913879
    • Amyltrichlorosilane [UN1728] [Corrosive]
    • NS00041294
    • D88343
    • Q27284736

  • Applications

    Trichloropentylsilane (CAS 107-72-2) is primarily used as an intermediate for preparing silane coupling agents and as a surface-activation reagent, particularly to introduce alkylsilane groups into organic molecules or onto inorganic surfaces. Typical applications include: (1) a precursor for silane coupling agents in coatings, paints, and adhesives to improve adhesion and moisture resistance; (2) a reagent for silylation of polymers or silicone resins to enable stronger bonding and crosslinking; (3) a surface-treatment chemical to enhance adhesion on glass, metals, and polymers; (4) a precursor for siloxane materials and interfacial silane systems used in electronics and functional coatings; (5) an intermediate in formulations for functional adhesives and coatings.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 267.16
    methanol 187.17
    isopropanol 229.52
    water 0.38
    ethyl acetate 340.77
    n-propanol 229.78
    acetone 791.83
    n-butanol 275.75
    acetonitrile 170.26
    DMF 1087.26
    toluene 322.39
    isobutanol 181.61
    1,4-dioxane 766.21
    methyl acetate 311.88
    THF 2143.51
    2-butanone 498.87
    n-pentanol 210.5
    sec-butanol 221.29
    n-hexane 42.55
    ethylene glycol 46.45
    NMP 921.54
    cyclohexane 125.43
    DMSO 803.44
    n-butyl acetate 448.53
    n-octanol 183.12
    chloroform 660.38
    n-propyl acetate 305.6
    acetic acid 288.86
    dichloromethane 493.31
    cyclohexanone 957.03
    propylene glycol 96.58
    isopropyl acetate 278.6
    DMAc 667.28
    2-ethoxyethanol 296.53
    isopentanol 227.95
    n-heptane 82.22
    ethyl formate 247.68
    1,2-dichloroethane 374.48
    n-hexanol 277.28
    2-methoxyethanol 442.57
    isobutyl acetate 243.32
    tetrachloromethane 128.53
    n-pentyl acetate 335.15
    transcutol 751.62
    n-heptanol 189.21
    ethylbenzene 134.69
    MIBK 321.25
    2-propoxyethanol 397.36
    tert-butanol 317.0
    MTBE 375.6
    2-butoxyethanol 299.98
    propionic acid 176.68
    o-xylene 184.37
    formic acid 70.62
    diethyl ether 329.01
    m-xylene 210.96
    p-xylene 184.09
    chlorobenzene 340.44
    dimethyl carbonate 170.13
    n-octane 35.0
    formamide 141.73
    cyclopentanone 1338.84
    2-pentanone 492.79
    anisole 330.73
    cyclopentyl methyl ether 668.69
    gamma-butyrolactone 952.13
    1-methoxy-2-propanol 382.12
    pyridine 692.04
    3-pentanone 318.26
    furfural 867.37
    n-dodecane 24.84
    diethylene glycol 234.33
    diisopropyl ether 147.96
    tert-amyl alcohol 255.7
    acetylacetone 590.27
    n-hexadecane 28.63
    acetophenone 325.34
    methyl propionate 272.69
    isopentyl acetate 394.58
    trichloroethylene 815.01
    n-nonanol 165.24
    cyclohexanol 335.33
    benzyl alcohol 255.89
    2-ethylhexanol 207.92
    isooctanol 163.18
    dipropyl ether 303.37
    1,2-dichlorobenzene 272.62
    ethyl lactate 128.17
    propylene carbonate 530.32
    n-methylformamide 296.26
    2-pentanol 212.24
    n-pentane 57.25
    1-propoxy-2-propanol 361.52
    1-methoxy-2-propyl acetate 430.52
    2-(2-methoxypropoxy) propanol 275.4
    mesitylene 137.48
    ε-caprolactone 621.3
    p-cymene 144.69
    epichlorohydrin 852.29
    1,1,1-trichloroethane 414.38
    2-aminoethanol 105.37
    morpholine-4-carbaldehyde 882.83
    sulfolane 1069.27
    2,2,4-trimethylpentane 39.1
    2-methyltetrahydrofuran 976.07
    n-hexyl acetate 358.29
    isooctane 35.88
    2-(2-butoxyethoxy)ethanol 381.24
    sec-butyl acetate 224.61
    tert-butyl acetate 388.99
    decalin 50.85
    glycerin 125.87
    diglyme 682.43
    acrylic acid 162.75
    isopropyl myristate 179.01
    n-butyric acid 316.43
    acetyl acetate 249.72
    di(2-ethylhexyl) phthalate 162.63
    ethyl propionate 208.09
    nitromethane 471.88
    1,2-diethoxyethane 421.09
    benzonitrile 321.99
    trioctyl phosphate 130.99
    1-bromopropane 245.99
    gamma-valerolactone 1286.88
    n-decanol 126.5
    triethyl phosphate 147.62
    4-methyl-2-pentanol 144.77
    propionitrile 167.28
    vinylene carbonate 409.92
    1,1,2-trichlorotrifluoroethane 483.16
    DMS 225.92
    cumene 96.71
    2-octanol 163.17
    2-hexanone 357.66
    octyl acetate 214.62
    limonene 231.8
    1,2-dimethoxyethane 659.73
    ethyl orthosilicate 158.11
    tributyl phosphate 144.85
    diacetone alcohol 388.43
    N,N-dimethylaniline 240.01
    acrylonitrile 196.69
    aniline 326.43
    1,3-propanediol 182.44
    bromobenzene 359.78
    dibromomethane 358.68
    1,1,2,2-tetrachloroethane 617.22
    2-methyl-cyclohexyl acetate 291.27
    tetrabutyl urea 215.07
    diisobutyl methanol 150.41
    2-phenylethanol 287.73
    styrene 181.47
    dioctyl adipate 245.69
    dimethyl sulfate 263.73
    ethyl butyrate 324.37
    methyl lactate 159.16
    butyl lactate 238.23
    diethyl carbonate 180.83
    propanediol butyl ether 295.78
    triethyl orthoformate 259.25
    p-tert-butyltoluene 163.59
    methyl 4-tert-butylbenzoate 299.88
    morpholine 844.19
    tert-butylamine 214.66
    n-dodecanol 102.22
    dimethoxymethane 555.27
    ethylene carbonate 328.6
    cyrene 366.5
    2-ethoxyethyl acetate 391.7
    2-ethylhexyl acetate 339.06
    1,2,4-trichlorobenzene 337.05
    4-methylpyridine 704.95
    dibutyl ether 252.01
    2,6-dimethyl-4-heptanol 150.41
    DEF 444.56
    dimethyl isosorbide 613.13
    tetrachloroethylene 389.19
    eugenol 289.06
    triacetin 319.67
    span 80 318.98
    1,4-butanediol 99.97
    1,1-dichloroethane 373.94
    2-methyl-1-pentanol 192.32
    methyl formate 263.51
    2-methyl-1-butanol 205.54
    n-decane 42.78
    butyronitrile 232.77
    3,7-dimethyl-1-octanol 183.6
    1-chlorooctane 146.83
    1-chlorotetradecane 65.57
    n-nonane 42.25
    undecane 31.12
    tert-butylcyclohexane 49.77
    cyclooctane 49.99
    cyclopentanol 412.69
    tetrahydropyran 862.94
    tert-amyl methyl ether 300.01
    2,5,8-trioxanonane 484.42
    1-hexene 134.81
    2-isopropoxyethanol 231.4
    2,2,2-trifluoroethanol 105.28
    methyl butyrate 316.03

    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