(E)-non-2-enal is a monounsaturated fatty aldehyde that is (2E)-non-2-ene which is carrying an oxo group at position 1.
Definition
US FDA substance register · UNII 8VEO649985 · registered name 2-NONENAL, (2E)- · single chemical substance
(E)-non-2-enal is a monounsaturated fatty aldehyde that is (2E)-non-2-ene which is carrying an oxo group at position 1. It has a role as a plant metabolite. It is a medium-chain fatty aldehyde, an enal and a monounsaturated fatty aldehyde.
Source: PubChem
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 18829-56-6
- EC No.EU chemical inventory number
- 242-609-6
- DTXSIDUS EPA chemical ID
- DTXSID0047086
- DTXCIDUS EPA compound ID
- DTXCID8027086
- IUPAC
- (2E)-Non-2-enal
- Molecular formula
- C9H16O
- Molecular weight
- 140.226 g/mol
Measured properties
- Appearance
- Liquid, [Merck Index] Colorless liquid, [Alfa Aesar MSDS] · White to slightly yellow liquid, Powerful, penetrating fatty, violet aroma
- Boiling point
- 88-90 °C (12 mm Hg)
- Solubility
- Soluble in most fixed oils, Insoluble in water · Soluble (in ethanol)
- Density
- 0.855-0.865
- Colour
- colourless
- Initial boiling point and range
- 88~90 ℃ (at 12 mmHg)
- Flash point
- 84 ℃
- Relative density
- 0.846 ()
- Molecular weight
- 140.23
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 6 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.
- Fragrance5
- Flavouring and nutrient1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
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
Source: US EPA CompTox dashboard
Linked databases 12
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata