3,4-Dimethylthiophene

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    632-15-5

    Molecular formula
    C6H8S

    SMILES
    CC1=CSC=C1C
    S

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    roasted 65.02%
    meaty 53.72%
    sulfurous 53.55%
    onion 50.28%
    coffee 41.36%
    savory 39.45%
    burnt 39.02%
    alliaceous 37.06%
    pungent 35.5%
    fresh 34.36%

    Scent© AI

  • Properties

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

    Molecular weight
    112.19 g/mol

    Vapor pressure est.

    • 3.9579 hPa @ 20°C
    • 5.4241 hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point

    • 144.00 to 146.00 °C. @ 760.00 mm Hg

    Solubility expt.

    • Practically insoluble to insoluble in water
    • Soluble (in ethanol)

  • Synonyms

    • 3,4-Dimethylthiophene
    • 632-15-5
    • Thiophene, 3,4-dimethyl-
    • 3,4-dimethyl-thiophene
    • UNII-96Q084Q43E
    • MFCD01764731
    • 96Q084Q43E
    • FEMA NO. 4645
    • CHEBI:89511
    • DTXSID40212549
NaN -Infinity

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
Onion 8002-72-0 Allium cepa L., fam. Liliaceae 0.9%
Onion (shallot) 8002-72-0 Allium cepa L., Aggregatum g., fam. Liliaceae 3.05%
Onion, welsh 8002-72-0 Allium fistulosum L. var. Maichuon, fam. Liliaceae 5.5%
Scallion Allium fistulosum L. var. Caespitosum, fam. Liliaceae 0.48%
Asafoetida (Pakistan) 2 9000-04-8 Ferula assafoetida L., fam. Apiaceae (Umbelliferae) 0.23%
Asafoetida (Iran) 1 9000-04-8 Ferula assafoetida L., fam. Apiaceae (Umbelliferae) 0.01%
Asafoetida headspace 9000-04-8 Ferula assafoetida L., fam. Apiaceae (Umbelliferae) 0.04%