Propyl butyrate is a butyrate ester resulting from the formal condensation of the hydroxy group of propanol with the carboxy group of butyric acid.
Definition
Propyl butyrate is a butyrate ester resulting from the formal condensation of the hydroxy group of propanol with the carboxy group of butyric acid. It has a role as an insect attractant, a plant metabolite and a human metabolite. It is functionally related to a propan-1-ol.
Source: PubChem
US FDA substance register · UNII CW590750SQ · registered name PROPYL BUTYRATE · single chemical substance
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
- 105-66-8
- EC No.EU chemical inventory number
- 203-320-0
- DTXSIDUS EPA chemical ID
- DTXSID6059318
- DTXCIDUS EPA compound ID
- DTXCID3032915
- IUPAC
- Propyl butanoate
- Molecular formula
- C7H14O2
- Molecular weight
- 130.187 g/mol
Measured properties
- Appearance
- liquid
- Colour
- colourless
- Melting/freezing point
- -97~95 ℃
- Initial boiling point and range
- 138~144 ℃
- Flash point
- 37 ℃
- Vapour pressure
- 5.95 ㎜Hg (at 25℃)
- Water solubility
- 1620 ㎎/ℓ
- Vapour density
- 4.49
- Relative density
- 0.8730
- n-Octanol/water partition coefficient (Kow)
- 2.34 ((est.))
- Molecular weight
- 130.19
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 5 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.
- Fragrance3
- Flavouring and nutrient2
Source: US EPA CompTox dashboard
Related literature
Linked databases 15
- 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
- PubMed
- 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 · Japanese · Chinese