2-Methylthiophene

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    554-14-3

    Molecular formula
    C5H6S

    SMILES
    CC1=CC=CS1

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Sulfurous 74.63%
    Green 64.05%
    Alliaceous 62.81%
    Onion 60.31%
    Roasted 53.11%
    Pungent 50.19%
    Burnt 48.54%
    Meaty 43.46%
    Garlic 43.27%
    Coffee 40.17%

    Scent© AI

  • Properties

    XLogP3-AA
    2.3

    Molecular weight
    98.17 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • -63.4 °C

    Boiling point

    • 112.00 °C. @ 760.00 mm Hg

    Flash point est.
    1.84 ˚C

    Solubility expt.

    • 112.6 mg/L @ 25 °C (exp)

  • Synonyms

    • 2-METHYLTHIOPHENE
    • 554-14-3
    • Thiophene, 2-methyl-
    • 2-methyl thiophene
    • alpha-Methylthiophene
    • CCRIS 2936
    • 2-methyl-thiophene
    • 2-Methylthiacyclopentadiene
    • 2-thiotolene
    • 2-methylthiophen
    • EINECS 209-063-0
    • BRN 0103734
    • AI3-15911
    • 7115JAP77A
    • MFCD00005451
    • .ALPHA.-METHYLTHIOPHENE
    • DTXSID3060291
    • FEMA NO. 4928
    • CHEBI:141567
    • 25154-40-9
    • Thiophene, methyl-
    • C5H6S
    • UNII-7115JAP77A
    • a-Thiotolene
    • alphaMethylthiophene
    • Thiophene, 2methyl
    • 5-Methyl-2-thiophene
    • 2-Methylthiophene, 98%
    • 2-Methylthiophene (Standard)
    • DTXCID7041883
    • BCP27458
    • HY-W010615R
    • STR03626
    • 2-Methylthiophene, analytical standard
    • AKOS000120897
    • CS-W011331
    • HY-W010615
    • AC-16543
    • DB-052725
    • M0635
    • NS00022367
    • EN300-20445
    • A15646
    • F10310
    • Q15632818
    • F0001-1454
    • 2-Methylthiophene, certified reference material, TraceCERT(R)
    • 209-063-0

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 285.8
    methanol 217.88
    isopropanol 230.11
    water 3.95
    ethyl acetate 551.57
    n-propanol 277.89
    acetone 346.14
    n-butanol 282.31
    acetonitrile 365.41
    DMF 303.11
    toluene 402.73
    isobutanol 186.93
    1,4-dioxane 696.05
    methyl acetate 469.76
    THF 528.63
    2-butanone 434.11
    n-pentanol 223.44
    sec-butanol 269.75
    n-hexane 71.94
    ethylene glycol 82.64
    NMP 309.81
    cyclohexane 87.55
    DMSO 219.88
    n-butyl acetate 340.17
    n-octanol 175.64
    chloroform 1272.1
    n-propyl acetate 268.4
    acetic acid 266.52
    dichloromethane 818.21
    cyclohexanone 363.38
    propylene glycol 131.41
    isopropyl acetate 310.04
    DMAc 459.9
    2-ethoxyethanol 349.21
    isopentanol 214.91
    n-heptane 103.15
    ethyl formate 209.07
    1,2-dichloroethane 401.08
    n-hexanol 309.35
    2-methoxyethanol 421.35
    isobutyl acetate 177.53
    tetrachloromethane 291.62
    n-pentyl acetate 215.04
    transcutol 1043.27
    n-heptanol 191.27
    ethylbenzene 193.62
    MIBK 232.98
    2-propoxyethanol 445.7
    tert-butanol 270.03
    MTBE 350.46
    2-butoxyethanol 314.35
    propionic acid 268.02
    o-xylene 261.23
    formic acid 89.53
    diethyl ether 462.63
    m-xylene 262.28
    p-xylene 231.72
    chlorobenzene 371.16
    dimethyl carbonate 174.37
    n-octane 41.42
    formamide 158.65
    cyclopentanone 372.13
    2-pentanone 358.87
    anisole 426.13
    cyclopentyl methyl ether 345.28
    gamma-butyrolactone 372.6
    1-methoxy-2-propanol 361.19
    pyridine 610.65
    3-pentanone 352.92
    furfural 455.65
    n-dodecane 32.42
    diethylene glycol 270.47
    diisopropyl ether 175.19
    tert-amyl alcohol 292.96
    acetylacetone 358.72
    n-hexadecane 36.41
    acetophenone 337.6
    methyl propionate 361.74
    isopentyl acetate 266.55
    trichloroethylene 936.65
    n-nonanol 172.74
    cyclohexanol 215.95
    benzyl alcohol 269.29
    2-ethylhexanol 225.33
    isooctanol 151.9
    dipropyl ether 321.14
    1,2-dichlorobenzene 335.33
    ethyl lactate 130.66
    propylene carbonate 258.54
    n-methylformamide 204.17
    2-pentanol 243.45
    n-pentane 86.35
    1-propoxy-2-propanol 373.46
    1-methoxy-2-propyl acetate 341.14
    2-(2-methoxypropoxy) propanol 298.22
    mesitylene 159.43
    ε-caprolactone 369.64
    p-cymene 154.46
    epichlorohydrin 481.82
    1,1,1-trichloroethane 648.49
    2-aminoethanol 171.62
    morpholine-4-carbaldehyde 492.45
    sulfolane 277.33
    2,2,4-trimethylpentane 56.3
    2-methyltetrahydrofuran 471.14
    n-hexyl acetate 264.11
    isooctane 41.97
    2-(2-butoxyethoxy)ethanol 405.21
    sec-butyl acetate 227.16
    tert-butyl acetate 313.71
    decalin 63.67
    glycerin 167.42
    diglyme 662.43
    acrylic acid 230.55
    isopropyl myristate 134.53
    n-butyric acid 342.32
    acetyl acetate 356.15
    di(2-ethylhexyl) phthalate 119.97
    ethyl propionate 261.56
    nitromethane 427.84
    1,2-diethoxyethane 458.59
    benzonitrile 307.62
    trioctyl phosphate 75.27
    1-bromopropane 330.93
    gamma-valerolactone 496.26
    n-decanol 132.51
    triethyl phosphate 126.48
    4-methyl-2-pentanol 152.36
    propionitrile 325.95
    vinylene carbonate 301.07
    1,1,2-trichlorotrifluoroethane 423.2
    DMS 205.2
    cumene 134.98
    2-octanol 129.73
    2-hexanone 282.36
    octyl acetate 169.2
    limonene 204.0
    1,2-dimethoxyethane 431.17
    ethyl orthosilicate 135.41
    tributyl phosphate 85.84
    diacetone alcohol 292.02
    N,N-dimethylaniline 285.21
    acrylonitrile 333.79
    aniline 387.94
    1,3-propanediol 214.72
    bromobenzene 402.34
    dibromomethane 562.88
    1,1,2,2-tetrachloroethane 700.83
    2-methyl-cyclohexyl acetate 221.54
    tetrabutyl urea 108.66
    diisobutyl methanol 133.75
    2-phenylethanol 302.6
    styrene 254.94
    dioctyl adipate 169.72
    dimethyl sulfate 198.73
    ethyl butyrate 299.36
    methyl lactate 170.25
    butyl lactate 148.11
    diethyl carbonate 193.61
    propanediol butyl ether 212.08
    triethyl orthoformate 221.03
    p-tert-butyltoluene 151.95
    methyl 4-tert-butylbenzoate 253.06
    morpholine 656.76
    tert-butylamine 198.33
    n-dodecanol 103.79
    dimethoxymethane 303.79
    ethylene carbonate 233.49
    cyrene 229.39
    2-ethoxyethyl acetate 329.62
    2-ethylhexyl acetate 242.0
    1,2,4-trichlorobenzene 411.97
    4-methylpyridine 540.49
    dibutyl ether 236.43
    2,6-dimethyl-4-heptanol 133.75
    DEF 369.93
    dimethyl isosorbide 403.28
    tetrachloroethylene 492.78
    eugenol 265.47
    triacetin 278.04
    span 80 252.02
    1,4-butanediol 109.2
    1,1-dichloroethane 551.11
    2-methyl-1-pentanol 218.61
    methyl formate 141.4
    2-methyl-1-butanol 225.15
    n-decane 54.36
    butyronitrile 309.69
    3,7-dimethyl-1-octanol 175.31
    1-chlorooctane 152.37
    1-chlorotetradecane 68.33
    n-nonane 52.79
    undecane 40.18
    tert-butylcyclohexane 61.05
    cyclooctane 52.37
    cyclopentanol 190.27
    tetrahydropyran 521.66
    tert-amyl methyl ether 330.72
    2,5,8-trioxanonane 477.93
    1-hexene 183.51
    2-isopropoxyethanol 287.55
    2,2,2-trifluoroethanol 141.43
    methyl butyrate 270.91

    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

Botanical

Name CAS Botanical Proportion
Truffle, Asian Tuber indicum Cooke et Mass. (T. himalayense Zhang-Minter),fam.Ascomycetae 0.5%