Definition
US FDA substance register · UNII WGX31S9DA1 · registered name DIHYDRO-4-METHYL-5-(3-METHYLBUTYL)-2(3H)-FURANONE · mixture
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
- 5561-08-0
- EC No.EU chemical inventory number
- 226-935-6
- DTXSIDUS EPA chemical ID
- DTXSID80863559
- DTXCIDUS EPA compound ID
- DTXCID30812158
- IUPAC
- 4-Methyl-5-(3-methylbutyl)oxolan-2-one
- Molecular formula
- C10H18O2
- Molecular weight
- 170.252 g/mol
Measured properties
- Water solubility
- 525.8 ㎎/ℓ
- n-Octanol/water partition coefficient (Kow)
- 2.42
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 1 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.
- Fragrance1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 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 2 studies
- SkinSens1
Skin Sensitization · QSAR Predicted - SkinIrr2
Skin Irritation · QSAR Predicted
Source: US EPA CompTox dashboard
Linked databases 10
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- 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