Propyltrichlorosilane

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  • Identifiers

    CAS number
    141-57-1

    Molecular formula
    C3H7Cl3Si

    SMILES
    CCC[Si](Cl)(Cl)Cl

    Safety labels

    Flammable
    Flammable

    Corrosive
    Corrosive

    Acute Toxic
    Acute Toxic

    Irritant
    Irritant

  • Odor profile

    Odorless 36.52%
    Sweet 33.53%
    Fishy 31.39%
    Floral 30.12%
    Woody 24.69%
    Oily 22.69%
    Fresh 22.1%
    Balsamic 20.15%
    Citrus 19.63%
    Ripe 19.61%

    Scent© AI

  • Properties

    pKa est.
    7.88 (neutral)

    Molecular weight
    177.53 g/mol

    Boiling point

    • 123.5 °C

    Flash point est.
    34.55 ˚C

    Flash point expt.

    • 98 to 100 °F (NFPA, 2010)
    • 98 °F (37 °C) Closed cup

    Solubility expt.

    • SOL IN WATER

  • Synonyms

    • Trichloro(propyl)silane
    • Propyltrichlorosilane
    • 141-57-1
    • n-Propyltrichlorosilane
    • TRICHLOROPROPYLSILANE
    • Silane, trichloropropyl-
    • Propyl trichlorosilane
    • Trichloro-n-propylsilane
    • Silane, propyltrichloro-
    • UNII-X16G85FI4Y
    • NSC 93878
    • HSDB 889
    • X16G85FI4Y
    • DYNASYLAN PTCS
    • EINECS 205-489-6
    • NSC-93878
    • AI3-60044
    • DTXSID80861813
    • EC 205-489-6
    • MFCD00013603
    • UN1816
    • trichloro-propyl-silane
    • n-propyl trichlorosilane
    • WLN: G-SI-GG3
    • SCHEMBL93367
    • Silane, trichloro-n-propyl-,
    • DTXCID60810687
    • NSC93878
    • TRICHLOROPROPYLSILANE [HSDB]
    • CP0800
    • AKOS015848698
    • PROPYL TRICHLOROSILANE (NORMAL)
    • UN 1816
    • s14075
    • DB-042573
    • NS00041643
    • P0371
    • Propyltrichlorosilane [UN1816] [Corrosive]
    • D91955
    • Q27293288
    • 205-489-6

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 378.64
    methanol 348.81
    isopropanol 330.77
    water 2.8
    ethyl acetate 376.51
    n-propanol 318.05
    acetone 751.56
    n-butanol 327.14
    acetonitrile 244.83
    DMF 1233.42
    toluene 316.36
    isobutanol 242.68
    1,4-dioxane 717.36
    methyl acetate 357.97
    THF 1708.43
    2-butanone 511.74
    n-pentanol 255.16
    sec-butanol 300.45
    n-hexane 64.4
    ethylene glycol 118.42
    NMP 1017.33
    cyclohexane 137.68
    DMSO 1065.24
    n-butyl acetate 432.08
    n-octanol 223.98
    chloroform 584.43
    n-propyl acetate 309.04
    acetic acid 397.9
    dichloromethane 456.4
    cyclohexanone 883.36
    propylene glycol 181.69
    isopropyl acetate 304.65
    DMAc 744.72
    2-ethoxyethanol 375.97
    isopentanol 262.27
    n-heptane 106.95
    ethyl formate 293.83
    1,2-dichloroethane 379.14
    n-hexanol 353.44
    2-methoxyethanol 614.25
    isobutyl acetate 225.73
    tetrachloromethane 166.08
    n-pentyl acetate 343.69
    transcutol 742.29
    n-heptanol 223.76
    ethylbenzene 154.06
    MIBK 343.89
    2-propoxyethanol 548.64
    tert-butanol 402.91
    MTBE 378.55
    2-butoxyethanol 348.21
    propionic acid 257.9
    o-xylene 215.42
    formic acid 142.94
    diethyl ether 388.7
    m-xylene 237.82
    p-xylene 178.19
    chlorobenzene 347.71
    dimethyl carbonate 226.48
    n-octane 47.75
    formamide 236.58
    cyclopentanone 1084.27
    2-pentanone 512.0
    anisole 357.17
    cyclopentyl methyl ether 665.8
    gamma-butyrolactone 957.84
    1-methoxy-2-propanol 552.44
    pyridine 565.33
    3-pentanone 360.71
    furfural 891.78
    n-dodecane 35.2
    diethylene glycol 413.57
    diisopropyl ether 178.45
    tert-amyl alcohol 336.97
    acetylacetone 596.51
    n-hexadecane 39.93
    acetophenone 343.41
    methyl propionate 350.86
    isopentyl acetate 367.59
    trichloroethylene 646.26
    n-nonanol 200.26
    cyclohexanol 418.99
    benzyl alcohol 287.13
    2-ethylhexanol 237.09
    isooctanol 185.09
    dipropyl ether 348.12
    1,2-dichlorobenzene 313.94
    ethyl lactate 174.16
    propylene carbonate 534.29
    n-methylformamide 419.56
    2-pentanol 278.48
    n-pentane 93.17
    1-propoxy-2-propanol 481.98
    1-methoxy-2-propyl acetate 454.62
    2-(2-methoxypropoxy) propanol 299.26
    mesitylene 172.89
    ε-caprolactone 655.56
    p-cymene 163.55
    epichlorohydrin 800.57
    1,1,1-trichloroethane 434.28
    2-aminoethanol 194.26
    morpholine-4-carbaldehyde 957.05
    sulfolane 1180.62
    2,2,4-trimethylpentane 51.91
    2-methyltetrahydrofuran 862.47
    n-hexyl acetate 378.76
    isooctane 52.34
    2-(2-butoxyethoxy)ethanol 408.51
    sec-butyl acetate 224.25
    tert-butyl acetate 414.24
    decalin 62.1
    glycerin 258.86
    diglyme 666.68
    acrylic acid 251.5
    isopropyl myristate 189.29
    n-butyric acid 385.81
    acetyl acetate 267.66
    di(2-ethylhexyl) phthalate 171.97
    ethyl propionate 247.21
    nitromethane 583.51
    1,2-diethoxyethane 384.53
    benzonitrile 343.79
    trioctyl phosphate 149.27
    1-bromopropane 283.9
    gamma-valerolactone 1262.62
    n-decanol 157.62
    triethyl phosphate 171.71
    4-methyl-2-pentanol 186.24
    propionitrile 230.91
    vinylene carbonate 442.36
    1,1,2-trichlorotrifluoroethane 546.66
    DMS 258.23
    cumene 115.51
    2-octanol 199.23
    2-hexanone 364.28
    octyl acetate 231.31
    limonene 256.99
    1,2-dimethoxyethane 639.64
    ethyl orthosilicate 173.14
    tributyl phosphate 168.35
    diacetone alcohol 464.01
    N,N-dimethylaniline 276.04
    acrylonitrile 270.67
    aniline 345.64
    1,3-propanediol 292.61
    bromobenzene 332.88
    dibromomethane 371.1
    1,1,2,2-tetrachloroethane 565.42
    2-methyl-cyclohexyl acetate 288.55
    tetrabutyl urea 238.37
    diisobutyl methanol 178.2
    2-phenylethanol 326.11
    styrene 195.68
    dioctyl adipate 240.26
    dimethyl sulfate 380.01
    ethyl butyrate 318.93
    methyl lactate 250.32
    butyl lactate 272.73
    diethyl carbonate 201.42
    propanediol butyl ether 360.16
    triethyl orthoformate 254.67
    p-tert-butyltoluene 184.87
    methyl 4-tert-butylbenzoate 349.06
    morpholine 805.38
    tert-butylamine 275.5
    n-dodecanol 129.21
    dimethoxymethane 698.97
    ethylene carbonate 376.6
    cyrene 402.73
    2-ethoxyethyl acetate 387.25
    2-ethylhexyl acetate 320.6
    1,2,4-trichlorobenzene 387.11
    4-methylpyridine 601.92
    dibutyl ether 237.68
    2,6-dimethyl-4-heptanol 178.2
    DEF 535.5
    dimethyl isosorbide 644.12
    tetrachloroethylene 368.62
    eugenol 329.22
    triacetin 329.24
    span 80 354.5
    1,4-butanediol 165.08
    1,1-dichloroethane 391.66
    2-methyl-1-pentanol 208.45
    methyl formate 366.49
    2-methyl-1-butanol 244.14
    n-decane 56.38
    butyronitrile 290.29
    3,7-dimethyl-1-octanol 202.73
    1-chlorooctane 172.96
    1-chlorotetradecane 83.67
    n-nonane 56.79
    undecane 43.24
    tert-butylcyclohexane 63.17
    cyclooctane 64.59
    cyclopentanol 468.6
    tetrahydropyran 751.47
    tert-amyl methyl ether 324.61
    2,5,8-trioxanonane 506.55
    1-hexene 171.11
    2-isopropoxyethanol 288.47
    2,2,2-trifluoroethanol 175.25
    methyl butyrate 333.74

    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