trans-2,cis-6-Nonadienal

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    557-48-2

    Molecular formula
    C9H14O

    SMILES
    CC/C=C\CC/C=C/C=O
    O

    Safety labels

    Irritant
    Irritant

    Retention indicies (RI)

    • DB5: 1150.33
    • Carbowax: 1578.5

  • Odor profile

    green 88.92%
    fatty 87.8%
    cucumber 68.9%
    melon 68.82%
    citrus 60.68%
    vegetable 59.4%
    waxy 56.82%
    aldehydic 56.67%
    fresh 54.11%
    fruity 50.17%

    Scent© AI

  • Properties

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

    Molecular weight
    138.21 g/mol

    Vapor pressure est.

    • 0.0598 hPa @ 20°C
    • 0.0946 hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point

    • 94.00 to 95.00 °C. @ 18.00 mm Hg

    Solubility expt.

    • very slightly
    • Soluble in most fixed oils; Insoluble in water
    • soluble (in ethanol)

  • Synonyms

    • trans-2,cis-6-Nonadienal
    • 557-48-2
    • trans,cis-2,6-Nonadienal
    • (2E,6Z)-nona-2,6-dienal
    • Violet leaf aldehyde
    • Cucumber aldehyde
    • 2,6-Nonadienal, (2E,6Z)-
    • (E,Z)-2,6-nonadienal
    • (2E,6Z)-Nonadienal
    • (2E,6Z)-Nona-2,6-dien-1-al
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
Cassie absolute (blossom) 8023-82-3 Acacia farnesiana (L.) Willd., fam. Mimosaceae (Leguminosae) 0.07%
Linden blossom bract Tilia cordata Mill. (Tilia glabra Vent.), fam. Tiliaceae 0.05%
Linden blossom flower Tilia cordata Mill. (Tilia glabra Vent.), fam. Tiliaceae 0.05%
Narcissus poeticus absolute 8023-75-4 Narcissus poeticus L., fam. Amaryllidaceae 0.1%
Orris butter 8002-73-1 Iris florentina L., fam. Iridaceae 0.01%
Violet odorata leaf 1 8024-08-6 Viola odorata L., fam. Violaceae 12.0%
Violet odorata leaf 2 8024-08-6 Viola odorata L., fam. Violaceae 13.0%
Violet odorata flower headspace Viola odorata L., fam. Violaceae 0.01%
Ribes sanguineum flower headspace Ribes sanguineum L., fam. Grossulariaceae 0.01%
Jasmine polyanthum flower headspace Jasminum polyanthum L., fam. Oleaceae 0.01%
Tulip sylvestre Tulipa sylvestris L., fam. Liliaceae 0.01%
Tamarind 3 fruit Tamarindus indica L., fam. Leguminosae 0.01%
Premna serratifolia flower bud Premna serratifolia L. (P.obtusifolia Br.R., P.taitensis Sch.),Verbenaceae 5.0%
Mullilam leaf (India) Zanthoxylum rhetsa D.C. syn. Z. limonella (Dennst.) Alston, fam. Rutaceae 0.01%
Cerastium candidissimum (Greece) Cerastium candidissimum Correns, fam. Caryophyllaceae 0.3%
Osage orange fruit, 1b steamdistilled Maclura pomifera (Raf.) Schneid, fam. Moraceae 4.4%
Viola etrusca (Italy) 1a hydrodistilled oil Viola etrusca Erben, fam. Violaceae 0.08%
Spinach, cooked Spinacia oleracea L., fam. Oleraceae 0.05%