1-Ethyl-2-Methylbenzene

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    611-14-3

    Molecular formula
    C9H12

    SMILES
    CCC1=CC=CC=C1C

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

    Health Hazard
    Health

    Environmental Hazard
    Environmental

    Retention indicies (RI)

    • Carbowax: 1341.0

  • Odor profile

    woody 39.71%
    spicy 39.53%
    herbal 38.2%
    phenolic 35.67%
    citrus 35.17%
    sweet 35.1%
    earthy 31.83%
    gassy 30.96%
    terpenic 29.09%
    musty 27.5%

    Scent© AI

  • Properties

    XLogP3-AA
    3.5 Well soluble in BB, DEP, IAA

    Molecular weight
    120.19 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Melting point expt.

    • -113.4 °F (USCG, 1999)

    Boiling point

    • 329.4 °F at 760 mmHg (USCG, 1999)

    Flash point expt.

    • 103 °F (USCG, 1999)

  • Synonyms

    • 1-Ethyl-2-methylbenzene
    • 2-Ethyltoluene
    • 611-14-3
    • O-ETHYLTOLUENE
    • o-Methylethylbenzene
    • 1-Methyl-2-ethylbenzene
    • Toluene, o-ethyl-
    • ortho-Ethyltoluene
    • Benzene, 1-ethyl-2-methyl-
    • 1,2-methylethylbenzene
    • o-Ethyl methylbenzene
    • o-Ethyl methyl benzene
    • Ethyltoluene
    • 2-ethyl toluene
    • Ethyltoluene, o-
    • o-Ethylmethylbenzene
    • NSC 405731
    • 2-Methyl-1-ethylbenzene
    • EINECS 210-255-1
    • 2-Methylethylbenzene
    • BRN 1851237
    • DBX00873SV
    • DTXSID2050403
    • CHEBI:34276
    • AI3-28773
    • NSC-405731
    • CHEMBL364233
    • DTXCID5029477
    • 4-05-00-00999 (Beilstein Handbook Reference)
    • 2-ethyl-1-methylbenzene
    • 1-ethyl-2-methyl-benzene
    • UNII-DBX00873SV
    • oEthyltoluene
    • 2Ethyltoluene
    • Ethyl toluene
    • alphaMethylxylene
    • Toluene, oethyl
    • 2Ethyl toluene
    • Toluene, ethyl
    • Toluene, ethyl-
    • oEthylmethylbenzene
    • oMethylethylbenzene
    • 2Methylethylbenzene
    • oEthyl methylbenzene
    • 2-ethylmethylbenzene
    • 1Methyl2ethylbenzene
    • MFCD00009257
    • Toluene, ar-ethyl-
    • oEthyl methyl benzene
    • Toluene, 2-ethyl-
    • Benzene, 1ethyl2methyl
    • 2-Ethyltoluene, 99%
    • 2-Ethyltoluene 100 microg/mL in Methanol
    • ALPHA-METHYLXYLENE
    • BIDD:ER0573
    • WLN: 2R B1
    • DTXSID8027876
    • EINECS 247-093-6
    • Tox21_303797
    • BDBM50167949
    • NSC405731
    • AKOS015842902
    • AC-6953
    • CS-W009542
    • DS-2369
    • NCGC00356979-01
    • CAS-611-14-3
    • DB-024735
    • A8492
    • E0184
    • NS00002055
    • Q27115961
    • 210-255-1
    • 247-093-6
    • 611-14-3(2-ethyltoluene)25550-14-5(unspecifiedisomer)622-96-8(4-ethyltoluene)620-14-4(3-ethyltoluene)
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
Blackcurrant bud, absolute 68606-81-5 Ribes nigrum L., fam. Grossulariaceae 0.03%
Santolina chamaecyparisus (France) 2 84961-58-0 Santolina chamaecyparisus L., fam. Asteraceae (Compositae) 0.05%
Styrax (China) 8024-01-9 Liquidamber formosana Hance, fam. Hamamelidaceae 0.42%