2-ethyl-4-hydroxy-5-methyl-3(2H)-furanone

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    27538-10-9

    Molecular formula
    C7H10O3

    SMILES
    CCC1C(=O)C(=C(O1)C)O
    OOHO

    Safety labels

    Irritant
    Irritant

    Retention indicies (RI)

    • Carbowax: 2073.0

  • Odor profile

    caramellic 89.69%
    sweet 80.7%
    burnt 62.41%
    fruity 61.09%
    roasted 49.57%
    buttery 42.86%
    coffee 40.15%
    nutty 38.74%
    strawberry 33.03%
    creamy 29.34%

    Scent© AI

  • Properties

    XLogP3-AA
    1.2 Well soluble in IAA, MMB, TEC

    Molecular weight
    142.15 g/mol

    Vapor pressure est.

    • 0.0022 hPa @ 20°C
    • 0.004 hPa @ 25°C

    Evaporation rate
    Very slow

    Boiling point

    • 103.00 °C. @ 15.00 mm Hg

  • Synonyms

    • 27538-10-9
    • 2-Ethyl-4-hydroxy-5-methyl-3(2H)-furanone
    • Ethyl furaneol
    • homofuraneol
    • 2-Ethyl-4-hydroxy-5-methylfuran-3(2H)-one
    • 3(2H)-FURANONE, 2-ETHYL-4-HYDROXY-5-METHYL-
    • CCRIS 6903
    • 4-Hydroxy-2-ethyl-5-methyl-3(2H)-furanone
    • 2-ethyl-4-hydroxy-5-methylfuran-3-one
    • Homofureanol
NaN -Infinity

IFRA Standard 51

Recommendation
Restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 0.045 % Category 7A
Rinse-off products applied to the hair with some hand contact
 0.52 %
Category 2
Products applied to the axillae
 0.014 % Category 7B
Leave-on products applied to the hair with some hand contact
 0.52 %
Category 3
Products applied to the face/body using fingertips
 0.27 % Category 8
Products with significant anogenital exposure
 0.021 %
Category 4
Products related to fine fragrance
 0.25 % Category 9
Products with body and hand exposure, primarily rinse off
 0.49 %
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 0.064 % Category 10A
Household care products with mostly hand contact
 0.98 %
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 0.064 % Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 1.8 %
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 0.064 % Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 0.021 %
Category 5D
Baby Creams, baby Oils and baby talc
 0.021 % Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 0.021 %
Category 6
Products with oral and lip exposure
 0.15 % Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction

Botanical

Name CAS Botanical Proportion
Mandrake fruit (Israel) Mandragora officinarum L., fam. Solanaceae 0.04%