2-Methylquinoline

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    91-63-4

    Molecular formula
    C10H9N

    SMILES
    CC1=NC2=CC=CC=C2C=C1

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

  • Odor profile

    Animal 68.77%
    Herbal 61.01%
    Tobacco 58.95%
    Leathery 52.05%
    Oily 46.76%
    Sweet 46.42%
    Fishy 44.55%
    Musty 44.31%
    Earthy 43.18%
    Floral 42.63%

    Scent© AI

  • Properties

    XLogP3-AA
    2.6

    Molecular weight
    143.18 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Melting point expt.

    • 28 °F (NTP, 1992)
    • -1.5 °C

    Boiling point

    • 477.7 °F at 760 mmHg (NTP, 1992)
    • 246.00 to 248.00 °C. @ 760.00 mm Hg

    Flash point est.
    94.56 ˚C

    Flash point expt.

    • 175 °F (NTP, 1992)

  • Synonyms

    • 2-METHYLQUINOLINE
    • Quinaldine
    • 91-63-4
    • Khinaldin
    • Chinaldine
    • Quinoline, 2-methyl-
    • Methylquinoline
    • 2-Methyl-quinoline
    • 2-Methylchinolin
    • CCRIS 1155
    • NSC 3397
    • EINECS 202-085-1
    • BRN 0110309
    • AI3-11528
    • WLN: T66 BNJ C1
    • CHEMBL194931
    • DVG30M0M87
    • DTXSID3040271
    • NSC3397
    • 5-20-07-00375 (Beilstein Handbook Reference)
    • NSC-3397
    • MFCD00006756
    • 27601-00-9
    • 2-Methylchinolin [Czech]
    • Quinoline, methyl-
    • UNII-DVG30M0M87
    • Quinaldine (8CI); 2-Methylquinoline; Khinaldin; NSC 3397
    • alpha-Methylquinoline
    • SBB008939
    • .alpha.-Methylquinoline
    • DIMETHYLQUINOLINES
    • Quinaldine, >=95%
    • QUINALDINE [MI]
    • LS-139877
    • SCHEMBL56360
    • Q2125_SIGMA
    • SCHEMBL7411349
    • DTXCID1020271
    • 22550_FLUKA
    • CHEBI:132813
    • Quinaldine, >=95.0% (GC)
    • AIDS020531
    • HMS1783C21
    • AIDS-020531
    • BCP21021
    • Tox21_302026
    • 2-Methylquinoline (ACD/Name 4.0)
    • BDBM50159277
    • STL268892
    • ZINC01081286
    • 2-Methylquinoline;Khinaldin;Chinaldine
    • AKOS000119149
    • AKOS016371196
    • FS-4097
    • 2-METHYL-QUINOLINE (QUINALDINE)
    • CAS-91-63-4
    • NCGC00188127-01
    • NCGC00255440-01
    • DB-057266
    • NS00021384
    • Q0005
    • EN300-17415
    • A26316
    • Quinaldine, analytical standard, >=90% (GC)
    • 2-Methylquinoline 100 microg/mL in Acetonitrile
    • Q415376
    • Z56926563
    • F0001-2219
    • InChI=1/C10H9N/c1-8-6-7-9-4-2-3-5-10(9)11-8/h2-7H,1H

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 231.87
    methanol 165.08
    isopropanol 162.02
    water 0.57
    ethyl acetate 543.11
    n-propanol 206.82
    acetone 663.24
    n-butanol 201.28
    acetonitrile 506.58
    DMF 731.53
    toluene 437.3
    isobutanol 155.08
    1,4-dioxane 1047.0
    methyl acetate 526.42
    THF 1052.57
    2-butanone 546.61
    n-pentanol 156.15
    sec-butanol 163.19
    n-hexane 176.56
    ethylene glycol 35.82
    NMP 514.41
    cyclohexane 205.41
    DMSO 681.34
    n-butyl acetate 826.25
    n-octanol 215.91
    chloroform 1315.71
    n-propyl acetate 427.86
    acetic acid 174.84
    dichloromethane 1963.55
    cyclohexanone 796.79
    propylene glycol 34.93
    isopropyl acetate 258.65
    DMAc 476.61
    2-ethoxyethanol 181.39
    isopentanol 152.36
    n-heptane 275.94
    ethyl formate 467.18
    1,2-dichloroethane 1150.07
    n-hexanol 362.09
    2-methoxyethanol 265.32
    isobutyl acetate 256.65
    tetrachloromethane 267.6
    n-pentyl acetate 328.45
    transcutol 641.99
    n-heptanol 175.38
    ethylbenzene 293.85
    MIBK 237.94
    2-propoxyethanol 359.07
    tert-butanol 174.96
    MTBE 245.6
    2-butoxyethanol 210.17
    propionic acid 199.4
    o-xylene 250.91
    formic acid 29.19
    diethyl ether 540.27
    m-xylene 264.34
    p-xylene 335.39
    chlorobenzene 471.52
    dimethyl carbonate 224.87
    n-octane 100.94
    formamide 83.65
    cyclopentanone 835.77
    2-pentanone 476.34
    anisole 358.65
    cyclopentyl methyl ether 521.59
    gamma-butyrolactone 897.33
    1-methoxy-2-propanol 191.58
    pyridine 765.43
    3-pentanone 452.1
    furfural 565.84
    n-dodecane 66.97
    diethylene glycol 161.49
    diisopropyl ether 150.51
    tert-amyl alcohol 149.33
    acetylacetone 460.64
    n-hexadecane 76.24
    acetophenone 304.22
    methyl propionate 441.57
    isopentyl acetate 460.7
    trichloroethylene 1471.49
    n-nonanol 183.04
    cyclohexanol 214.03
    benzyl alcohol 185.01
    2-ethylhexanol 283.1
    isooctanol 129.46
    dipropyl ether 664.46
    1,2-dichlorobenzene 378.72
    ethyl lactate 120.76
    propylene carbonate 461.23
    n-methylformamide 302.32
    2-pentanol 136.01
    n-pentane 121.7
    1-propoxy-2-propanol 289.23
    1-methoxy-2-propyl acetate 338.99
    2-(2-methoxypropoxy) propanol 190.47
    mesitylene 157.28
    ε-caprolactone 627.97
    p-cymene 206.52
    epichlorohydrin 950.69
    1,1,1-trichloroethane 732.4
    2-aminoethanol 63.05
    morpholine-4-carbaldehyde 568.02
    sulfolane 696.33
    2,2,4-trimethylpentane 39.78
    2-methyltetrahydrofuran 714.03
    n-hexyl acetate 424.11
    isooctane 31.12
    2-(2-butoxyethoxy)ethanol 265.51
    sec-butyl acetate 224.71
    tert-butyl acetate 216.09
    decalin 99.09
    glycerin 47.87
    diglyme 594.48
    acrylic acid 152.25
    isopropyl myristate 179.51
    n-butyric acid 271.21
    acetyl acetate 283.64
    di(2-ethylhexyl) phthalate 120.32
    ethyl propionate 380.91
    nitromethane 446.68
    1,2-diethoxyethane 606.81
    benzonitrile 368.12
    trioctyl phosphate 107.07
    1-bromopropane 721.11
    gamma-valerolactone 758.61
    n-decanol 149.51
    triethyl phosphate 160.57
    4-methyl-2-pentanol 82.91
    propionitrile 426.63
    vinylene carbonate 476.45
    1,1,2-trichlorotrifluoroethane 256.72
    DMS 326.32
    cumene 183.51
    2-octanol 142.12
    2-hexanone 421.69
    octyl acetate 227.58
    limonene 283.05
    1,2-dimethoxyethane 673.31
    ethyl orthosilicate 146.43
    tributyl phosphate 139.0
    diacetone alcohol 172.24
    N,N-dimethylaniline 256.38
    acrylonitrile 459.93
    aniline 260.91
    1,3-propanediol 107.73
    bromobenzene 571.87
    dibromomethane 1253.24
    1,1,2,2-tetrachloroethane 864.41
    2-methyl-cyclohexyl acetate 242.29
    tetrabutyl urea 194.94
    diisobutyl methanol 142.38
    2-phenylethanol 240.14
    styrene 335.97
    dioctyl adipate 213.15
    dimethyl sulfate 269.11
    ethyl butyrate 497.83
    methyl lactate 110.22
    butyl lactate 157.5
    diethyl carbonate 306.12
    propanediol butyl ether 145.39
    triethyl orthoformate 245.01
    p-tert-butyltoluene 170.0
    methyl 4-tert-butylbenzoate 222.2
    morpholine 774.91
    tert-butylamine 141.92
    n-dodecanol 127.64
    dimethoxymethane 556.17
    ethylene carbonate 450.94
    cyrene 163.92
    2-ethoxyethyl acetate 373.82
    2-ethylhexyl acetate 433.61
    1,2,4-trichlorobenzene 362.03
    4-methylpyridine 690.38
    dibutyl ether 472.02
    2,6-dimethyl-4-heptanol 142.38
    DEF 532.77
    dimethyl isosorbide 353.77
    tetrachloroethylene 637.76
    eugenol 197.95
    triacetin 283.22
    span 80 162.04
    1,4-butanediol 56.08
    1,1-dichloroethane 876.05
    2-methyl-1-pentanol 137.87
    methyl formate 333.27
    2-methyl-1-butanol 148.49
    n-decane 112.75
    butyronitrile 430.7
    3,7-dimethyl-1-octanol 163.71
    1-chlorooctane 278.47
    1-chlorotetradecane 118.2
    n-nonane 124.7
    undecane 84.97
    tert-butylcyclohexane 82.85
    cyclooctane 88.45
    cyclopentanol 257.95
    tetrahydropyran 922.03
    tert-amyl methyl ether 210.16
    2,5,8-trioxanonane 361.35
    1-hexene 408.96
    2-isopropoxyethanol 151.3
    2,2,2-trifluoroethanol 75.44
    methyl butyrate 497.28

    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
Genet absolute 2 8023-80-1 Spartium junceum L., fam. Leguminosae (Papilionaceae) 0.03%