2-Methylthiirene

  • Identifiers

    Molecular formula
    C3H4S

    SMILES
    CC1=CS1

  • Odor profile

    Fragrance
    Sulfurous 69.7%
    Meaty 63.42%
    Roasted 54.34%
    Onion 53.49%
    Garlic 47.61%
    Cooked 39.41%
    Savory 37.62%
    Alliaceous 37.26%
    Beefy 30.77%
    Burnt 23.25%

     

    Flavor
    Roasted 44.09%
    Nutty 44.03%
    Meaty 37.61%
    Sulfurous 35.4%
    Onion 34.06%
    Vegetable 31.79%
    Sulfur 31.07%
    Garlic 29.85%
    Alliaceous 28.97%
    Green 28.18%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.0

    pKa est.
    5.13 (weak acid)

    Molecular weight
    72.13 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    61°C

    Flash point

    • -6.15 ˚C est.

  • Synonyms

    • 2-methylthiirene
    • HCH3(cyc-CCS)
    • Thiirene, methyl-
  • Applications

    Applications of 2-Methylthiirene in real-world settings include its use as a reactive intermediate in organic synthesis to access sulfur-containing compounds and sulfur heterocycles; it may serve as a monomer or comonomer for specialty polymers after appropriate polymerization; it functions as a building block in pharmaceutical and agrochemical research for preparing sulfur-containing heterocycles; it is used as a reactive intermediate in academic and industrial research to explore ring-opening and functionalization of thiirene rings; and, with proper handling and regulatory compliance, it may be evaluated for use in advanced materials and coatings as a precursor to sulfur-rich materials.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 340.81
    methanol 266.3
    isopropanol 281.57
    water 4.59
    ethyl acetate 301.54
    n-propanol 290.81
    acetone 427.88
    n-butanol 276.59
    acetonitrile 295.48
    DMF 367.5
    toluene 198.38
    isobutanol 209.41
    1,4-dioxane 534.25
    methyl acetate 317.46
    THF 615.75
    2-butanone 422.36
    n-pentanol 208.59
    sec-butanol 293.16
    n-hexane 72.37
    ethylene glycol 132.24
    NMP 371.9
    cyclohexane 105.19
    DMSO 319.86
    n-butyl acetate 251.24
    n-octanol 177.53
    chloroform 439.0
    n-propyl acetate 188.75
    acetic acid 321.15
    dichloromethane 316.93
    cyclohexanone 358.13
    propylene glycol 214.83
    isopropyl acetate 181.2
    DMAc 387.51
    2-ethoxyethanol 319.05
    isopentanol 201.29
    n-heptane 116.46
    ethyl formate 149.95
    1,2-dichloroethane 205.58
    n-hexanol 311.75
    2-methoxyethanol 432.65
    isobutyl acetate 132.48
    tetrachloromethane 119.2
    n-pentyl acetate 150.65
    transcutol 740.64
    n-heptanol 169.17
    ethylbenzene 95.79
    MIBK 190.27
    2-propoxyethanol 460.94
    tert-butanol 304.8
    MTBE 273.82
    2-butoxyethanol 276.66
    propionic acid 253.73
    o-xylene 129.64
    formic acid 108.4
    diethyl ether 344.48
    m-xylene 139.02
    p-xylene 115.22
    chlorobenzene 185.34
    dimethyl carbonate 134.15
    n-octane 37.6
    formamide 137.53
    cyclopentanone 422.37
    2-pentanone 329.13
    anisole 219.58
    cyclopentyl methyl ether 326.38
    gamma-butyrolactone 367.67
    1-methoxy-2-propanol 388.62
    pyridine 352.41
    3-pentanone 290.2
    furfural 317.88
    n-dodecane 32.0
    diethylene glycol 321.67
    diisopropyl ether 131.85
    tert-amyl alcohol 280.53
    acetylacetone 298.42
    n-hexadecane 35.18
    acetophenone 187.96
    methyl propionate 266.83
    isopentyl acetate 195.13
    trichloroethylene 385.84
    n-nonanol 155.41
    cyclohexanol 240.91
    benzyl alcohol 164.37
    2-ethylhexanol 191.38
    isooctanol 125.49
    dipropyl ether 276.4
    1,2-dichlorobenzene 151.38
    ethyl lactate 119.53
    propylene carbonate 206.28
    n-methylformamide 192.02
    2-pentanol 233.64
    n-pentane 88.0
    1-propoxy-2-propanol 386.35
    1-methoxy-2-propyl acetate 268.25
    2-(2-methoxypropoxy) propanol 247.04
    mesitylene 90.4
    ε-caprolactone 286.85
    p-cymene 98.23
    epichlorohydrin 389.52
    1,1,1-trichloroethane 278.09
    2-aminoethanol 215.26
    morpholine-4-carbaldehyde 433.21
    sulfolane 326.14
    2,2,4-trimethylpentane 47.22
    2-methyltetrahydrofuran 462.35
    n-hexyl acetate 211.79
    isooctane 43.05
    2-(2-butoxyethoxy)ethanol 333.54
    sec-butyl acetate 141.56
    tert-butyl acetate 195.13
    decalin 50.51
    glycerin 239.1
    diglyme 507.12
    acrylic acid 216.66
    isopropyl myristate 103.33
    n-butyric acid 255.72
    acetyl acetate 197.02
    di(2-ethylhexyl) phthalate 93.74
    ethyl propionate 176.92
    nitromethane 346.49
    1,2-diethoxyethane 302.81
    benzonitrile 180.71
    trioctyl phosphate 73.03
    1-bromopropane 193.35
    gamma-valerolactone 462.98
    n-decanol 122.35
    triethyl phosphate 90.35
    4-methyl-2-pentanol 133.51
    propionitrile 239.19
    vinylene carbonate 180.4
    1,1,2-trichlorotrifluoroethane 335.86
    DMS 164.61
    cumene 71.26
    2-octanol 118.77
    2-hexanone 227.57
    octyl acetate 140.02
    limonene 156.86
    1,2-dimethoxyethane 363.7
    ethyl orthosilicate 95.97
    tributyl phosphate 80.13
    diacetone alcohol 260.38
    N,N-dimethylaniline 145.43
    acrylonitrile 236.87
    aniline 224.28
    1,3-propanediol 241.46
    bromobenzene 177.14
    dibromomethane 248.46
    1,1,2,2-tetrachloroethane 321.72
    2-methyl-cyclohexyl acetate 153.39
    tetrabutyl urea 110.35
    diisobutyl methanol 116.36
    2-phenylethanol 199.34
    styrene 123.5
    dioctyl adipate 128.19
    dimethyl sulfate 157.41
    ethyl butyrate 187.83
    methyl lactate 175.02
    butyl lactate 133.42
    diethyl carbonate 120.86
    propanediol butyl ether 272.77
    triethyl orthoformate 149.29
    p-tert-butyltoluene 101.52
    methyl 4-tert-butylbenzoate 172.02
    morpholine 550.64
    tert-butylamine 215.38
    n-dodecanol 102.08
    dimethoxymethane 294.03
    ethylene carbonate 162.68
    cyrene 208.2
    2-ethoxyethyl acetate 217.83
    2-ethylhexyl acetate 171.12
    1,2,4-trichlorobenzene 199.93
    4-methylpyridine 288.65
    dibutyl ether 171.88
    2,6-dimethyl-4-heptanol 116.36
    DEF 280.53
    dimethyl isosorbide 300.83
    tetrachloroethylene 210.98
    eugenol 166.63
    triacetin 219.12
    span 80 246.9
    1,4-butanediol 137.91
    1,1-dichloroethane 278.58
    2-methyl-1-pentanol 168.18
    methyl formate 145.72
    2-methyl-1-butanol 219.36
    n-decane 48.54
    butyronitrile 220.75
    3,7-dimethyl-1-octanol 154.91
    1-chlorooctane 109.33
    1-chlorotetradecane 60.1
    n-nonane 49.05
    undecane 38.08
    tert-butylcyclohexane 49.1
    cyclooctane 52.47
    cyclopentanol 279.23
    tetrahydropyran 465.57
    tert-amyl methyl ether 236.68
    2,5,8-trioxanonane 364.3
    1-hexene 143.63
    2-isopropoxyethanol 253.84
    2,2,2-trifluoroethanol 137.45
    methyl butyrate 185.6

    Scent© AI

1 of 4
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