6,6-Dimethoxy-2,5,5-trimethyl-2-hexene is an acetal.
Definition
US FDA substance register · UNII AH52EU7FVN · registered name 6,6-Dimethoxy-2,5,5-trimethyl-2-hexene · single chemical substance
6,6-Dimethoxy-2,5,5-trimethyl-2-hexene is an acetal.
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
- 67674-46-8
- EC No.EU chemical inventory number
- 266-885-2
- DTXSIDUS EPA chemical ID
- DTXSID2052366
- DTXCIDUS EPA compound ID
- DTXCID2030938
- IUPAC
- 6,6-Dimethoxy-2,5,5-trimethylhex-2-ene
- Molecular formula
- C11H22O2
- Molecular weight
- 186.295 g/mol
Measured properties
- Appearance
- Liquid
- Boiling point
- 214.00 to 215.00 °C. @ 760.00 mm Hg
- Solubility
- 66 mg/L @ 20 °C (exp)
- Melting/freezing point
- -80 ℃
- Initial boiling point and range
- 201 ℃(( at 101325 Pa))
- Flash point
- 73 ℃(( at 101325 Pa))
- Vapour pressure
- 16 ㎩ (( at 20° C))
- Water solubility
- 85.2 (at 20°C water) ㎎/ℓ
- Vapour density
- 0.877g/cm³ (at 20°C)
- Relative density
- 0.877 (at 20°C)
- n-Octanol/water partition coefficient (Kow)
- 2.98780
- Auto-ignition temperature
- 220 ℃
- Molecular weight
- 186.295
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 40 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.
- Fragrance40
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 2 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 4 studies
- Severe Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to - Category 6.3A (Category 2)
Skin Irritation · Read Across - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to
Source: US EPA CompTox dashboard
Linked databases 13
- 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
- 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