6-pentyloxan-2-one is a delta-lactone that is 5-valerolactone substituted by a pentyl group at position 6.
How much products actually contain
No product states its amount yet.
Of the products containing it, 1 list it before the 1% line and 0 after it (usually 1% or less).
Products using this ingredient
1 of 1 confirmed · likeliest to carry enough first
Definition
6-pentyloxan-2-one is a delta-lactone that is 5-valerolactone substituted by a pentyl group at position 6. It has a role as a metabolite. It is functionally related to a 5-valerolactone.
Source: PubChem
US FDA substance register · UNII CNA0S5T234 · registered name .DELTA.-DECALACTONE · 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 δ－デカラクトン: 本品は、次の化学式で表される複素環式化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 705-86-2
- EC No.EU chemical inventory number
- 211-889-1
- DTXSIDUS EPA chemical ID
- DTXSID0044496
- DTXCIDUS EPA compound ID
- DTXCID8024496
- IUPAC
- 6-Pentyloxan-2-one
- Molecular formula
- C10H18O2
- Molecular weight
- 170.252 g/mol
Measured properties
- Appearance
- CBI, Liquid · colourless liquid with a coconut-fruity odour, butter-like on dilution
- Boiling point
- 117.00 to 120.00 °C. @ 0.02 mm Hg · 281 °C
- Melting point
- -27.00 °C. @ 760.00 mm Hg
- Solubility
- very slightly · very soluble in alcohol and propylene glycol, insoluble in water
- Density
- 0.964-0.971
- Melting/freezing point
- -27 ℃
- Initial boiling point and range
- 121 ℃
- Flash point
- 110 ℃
- Vapour pressure
- 0.00475 ㎜Hg
- Relative density
- 0.954
- n-Octanol/water partition coefficient (Kow)
- 2.57
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 80 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.
- Fragrance75
- Flavouring and nutrient3
- Deodorizer2
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
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: according to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: according to
Source: US EPA CompTox dashboard
Related literature
Linked databases 19
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- 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 2
- Tlooto literature search
- 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
- Wikipedia · English · Chinese