Ingredient Dictionary

TRANS-2-DECENAL

(2E)-dec-2-enal is a dec-2-enal in which the olefinic double bond has E configuration.

Definition

(2E)-dec-2-enal is a dec-2-enal in which the olefinic double bond has E configuration. It has a role as a mutagen, a nematicide and an alarm pheromone.

Source: PubChem

US FDA substance register · UNII E93S23U2BU · registered name 2-DECENAL, (2E)- · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

Safety & regulatory references

Korea’s toxic-substance GHS classification: Danger · H331 (category 3) · H400 (category 1) · H410 (category 1)

Source: Korea toxic substances GHS register (NIER)

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

Names & identifiers

TRANS-2-DECENALINCI2-Decenal, (E)-Synonym

CAS No.chemical registry number: 3913-81-3
EC No.EU chemical inventory number: 223-474-2
DTXSIDUS EPA chemical ID: DTXSID5047035
DTXCIDUS EPA compound ID: DTXCID3027035

IUPAC: (2E)-Dec-2-enal
Molecular formula: C10H18O
Molecular weight: 154.253 g/mol

Measured properties

Appearance: Colorless or pale yellow liquid, [Alfa Aesar MSDS]
Boiling point: 78.00 to 80.00 °C. @ 3.00 mm Hg
Melting point: -8.92 °C. @ 760.00 mm Hg

Values measured on the substance itself, not a specification for a commercial raw material.

Source: PubChem

What products actually use it for

What the 4 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.

Fragrance3
Flavouring and nutrient1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 0 eye studies are on record.

Classed as moderate1

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 1 studies

SkinIrr2
Skin Irritation · QSAR Predicted