Ingredient Dictionary

NONADIENAL

(2E,6Z)-nona-2,6-dienal is an enal that is (2E,6Z)-nona-2,6-diene substituted by an oxo group at position 1.

Definition

(2E,6Z)-nona-2,6-dienal is an enal that is (2E,6Z)-nona-2,6-diene substituted by an oxo group at position 1. It has a role as a plant metabolite. It is an enal and a trans-2,3-unsaturated fatty aldehyde.

Source: PubChem

US FDA substance register · UNII 93E895X03C · registered name 2,6-NONADIENAL, (2E,6Z)- · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Nonadienal is the organic compound that conforms to the formula

Cosmetic roles

Gives the product a scentPERFUMINGListed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCEAdds flavour (lip and oral products)FLAVOURING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

More data — names, identifiers, properties, test records, literature

Names & identifiers

NONADIENALINCI2,6-Nonadienal, (E,Z)-Synonym

CAS No.chemical registry number: 557-48-2
EC No.EU chemical inventory number: 209-178-6
DTXSIDUS EPA chemical ID: DTXSID1047104
DTXCIDUS EPA compound ID: DTXCID701767739

IUPAC: (2E,6Z)-Nona-2,6-dienal
Molecular formula: C9H14O
Molecular weight: 138.21 g/mol

Measured properties

Appearance: Slightly yellow liquid, powerful, violet, cucumber · liquid
Boiling point: 94.00 to 95.00 °C. @ 18.00 mm Hg · 94 °C
Solubility: very slightly · Soluble in most fixed oils, Insoluble in water
Density: 0.850-0.870
Flash point: 82 ℃
Molecular weight: 138.23

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 15 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Fragrance13
Flavouring and nutrient2

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

2 skin studies and 0 eye studies are on record.

Classed as moderate2

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 2 studies

SkinIrr2
Skin Irritation · QSAR Predicted
SkinSens1
Skin Sensitization · QSAR Predicted