Propyl acetate is an acetate ester obtained by the formal condensation of acetic acid with propanol.
How much products actually contain
No product states its amount yet.
Of the products containing it, 254 list it before the 1% line and 0 after it (usually 1% or less).
Products using this ingredient
12 of 254 confirmed · likeliest to carry enough first · See all 254
Definition
Propyl acetate is an acetate ester obtained by the formal condensation of acetic acid with propanol. It has a role as a fragrance and a plant metabolite. It is functionally related to a propan-1-ol.
Source: PubChem
US FDA substance register · UNII 4AWM8C91G6 · registered name PROPYL ACETATE · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Reviewed by CIR: Final Report of the Cosmetic Ingredient Reveiw Expert Panel on the Safety Assessment of Methyl Acetate
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 酢酸プロピル: 本品は、酢酸(*)とプロパノール(*)とのエステルであり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 109-60-4
- EC No.EU chemical inventory number
- 203-686-1
- DTXSIDUS EPA chemical ID
- DTXSID6021901
- DTXCIDUS EPA compound ID
- DTXCID301901
- IUPAC
- Propyl acetate
- Molecular formula
- C5H10O2
- Molecular weight
- 102.133 g/mol
Measured properties
- Appearance
- N-propyl acetate appears as a clear colorless liquid with a pleasant odor. Flash point 58 °F. Less dense than water, Vapors are heavier than air. · CBI, Liquid
- Odour
- Pleasant odor · Odor of pears
- Boiling point
- 214.9 °F at 760 mmHg (USCG, 1999) · 101.5 °C
- Melting point
- -139 °F (USCG, 1999) · -93 °C
- Solubility
- 2 % (NIOSH, 2024) · 18900 mg/L (at 20 °C)
- Density
- 0.886 at 68 °F (USCG, 1999) - Less dense than water, will float
- Colour
- colourless
- Melting/freezing point
- -92 ℃( -95℃ (2))
- Initial boiling point and range
- 101.6 ℃
- Flash point
- 14 ℃
- Upper/lower flammability or explosive limits
- 8 / 2 %
- Vapour pressure
- 35.9 ㎜Hg (25℃)
- Water solubility
- 18900 (mg/L, 20℃)
- Vapour density
- 3.5 (g/㎤)
- Relative density
- 0.882
- n-Octanol/water partition coefficient (Kow)
- 1.24 ( = log Pow)
- Auto-ignition temperature
- 450 ℃
- Viscosity
- 786000 (0℃)
- Molecular weight
- 102.12
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 24 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.
- Solvent11
- Fragrance5
- Processing aids not otherwise specified2
- Pigment2
- Flavouring and nutrient2
- Fuel1
- Intermediate1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
3 skin studies and 4 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 7 studies
- Classification not possible
Skin Sensitization · Screening - Classification not possible
Skin Irritation · Screening - Category 6.3B (Category 3)
Skin Irritation · Read Across - Eye Irrit. 2
Eye Irritation · Screening - Eye Irrit. 2
Eye Irritation · Authoritative - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Category 2B
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
Linked databases 21
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- 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 2
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese