alpha-METHYLCINNAMALDEHYDE

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    101-39-3

    Molecular formula
    C10H10O

    SMILES
    C/C(=C\C1=CC=CC=C1)/C=O
    O

    Safety labels

    Irritant
    Irritant

    Retention indicies (RI)

    • Carbowax: 1992.0

  • Odor profile

    sweet 79.94%
    spicy 77.75%
    cinnamon 72.61%
    balsamic 59.8%
    floral 57.02%
    warm 50.12%
    cherry 45.48%
    powdery 44.6%
    almond 42.69%
    herbal 41.48%

    Scent© AI

  • Properties

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

    Molecular weight
    146.19 g/mol

    Vapor pressure est.

    • 0.0078 hPa @ 20°C
    • 0.013 hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point

    • 302 °F at 100 mmHg (NTP, 1992)

    Flash point expt.

    • 175 °F (NTP, 1992)

    Solubility expt.

    • less than 1 mg/mL at 70 °F (NTP, 1992)
    • insoluble in water; soluble in oils
    • miscible (in ethanol)

  • Synonyms

    • 15174-47-7
    • ALPHA-METHYLCINNAMALDEHYDE
    • 101-39-3
    • alpha-Methylcinnamylaldehyde
    • 2-Propenal, 2-methyl-3-phenyl-
    • (E)-2-METHYL-3-PHENYLACRYLALDEHYDE
    • 2-Methyl-3-phenylacrylaldehyde
    • (E)-2-methyl-3-phenylprop-2-enal
    • 2-Methyl-3-phenylacrolein
    • alpha-Methyl-trans-cinnamaldehyde
NaN -Infinity

IFRA Standard 51

Recommendation
Restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 0.27 % Category 7A
Rinse-off products applied to the hair with some hand contact
 3.1 %
Category 2
Products applied to the axillae
 0.08 % Category 7B
Leave-on products applied to the hair with some hand contact
 3.1 %
Category 3
Products applied to the face/body using fingertips
 1.6 % Category 8
Products with significant anogenital exposure
 0.16 %
Category 4
Products related to fine fragrance
 1.5 % Category 9
Products with body and hand exposure, primarily rinse off
 2.9 %
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 0.38 % Category 10A
Household care products with mostly hand contact
 11 %
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 0.38 % Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 11 %
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 0.38 % Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 5.8 %
Category 5D
Baby Creams, baby Oils and baby talc
 0.38 % Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 5.8 %
Category 6
Products with oral and lip exposure
 0.88 % Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction

Botanical

Name CAS Botanical Proportion
Amomum tsao-ko (China) 1 Amomum tsao-ko Crevost et Lemarie, fam. Zingiberaceae 2.2%
Amomum tsao-ko (Vietnam) Amomum tsao-ko Crevost et Lemarie, fam. Zingiberaceae 2.8%
Amomum tsao-ko (China) 2 Amomum tsao-ko Crevost et Lemiare, fam. Zingiberaceae 2.04%
Alpinia laosensis (Vietnam) Alpinia laosensis Gagnep., fam. Zingiberaceae 0%
Carob bean powder 2a raw 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.01%