5-Heptenal, 2,6-dimethyl- is a monounsaturated fatty aldehyde.
How much products actually contain
No product states its amount yet.
Of the products containing it, 4 list it before the 1% line and 0 after it (usually 1% or less).
Products using this ingredient
4 of 4 confirmed · likeliest to carry enough first
Definition
5-Heptenal, 2,6-dimethyl- is a monounsaturated fatty aldehyde.
Source: PubChem
US FDA substance register · UNII Z331YX9EL9 · registered name 2,6-DIMETHYL-5-HEPTENAL · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ジメチルヘプテナール: 本品は、次の化学式で表される有機化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 106-72-9
- EC No.EU chemical inventory number
- 203-427-2
- DTXSIDUS EPA chemical ID
- DTXSID8044753
- DTXCIDUS EPA compound ID
- DTXCID6024753
- IUPAC
- 2,6-Dimethylhept-5-enal
- Molecular formula
- C9H16O
- Molecular weight
- 140.226 g/mol
Measured properties
- Appearance
- liquid
- Melting/freezing point
- &, lt, -20 ℃
- Initial boiling point and range
- 181 ℃(101.6 kPa)
- Flash point
- 62 ℃(101.6 kPa)
- Vapour pressure
- 151 ㎩ (20 °C)
- Water solubility
- 500 ㎎/ℓ (20 °C, pH: &, gt, = 6 - &, lt, = 6.5 )
- Relative density
- 850 kg/m³
- n-Octanol/water partition coefficient (Kow)
- 3.4 (35 °C, pH: 7)
- Auto-ignition temperature
- 208 ℃ (&, gt, 101.2 - &, lt, 102.1 kPa)
- Molecular weight
- 140.2244
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: KOSHA safety data sheets (Korea)
What products actually use it for
What the 182 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.
- Fragrance177
- Flavouring and nutrient2
- Deodorizer2
- Softener and conditioner1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 1 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 2 studies
- Low to Moderate Frequency of Sensitization
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) according to EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay) according to EPA OPPTS 870.2600 (Skin Sensitisation) - Studies Indicate No Significant Irritation
eye irritation: in vitro / ex vivo · Screening · other guideline: OECD Guideline 437 (Bovine Corneal Opacity and Permeability Test Method for Identifying i) Chemicals Inducing Serious Eye Damage and ii) Chemicals Not Requiring Classification for Eye Irritation or Serious Eye Damage) according to
Source: US EPA CompTox dashboard
Linked databases 17
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2 3
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata