Propyl benzoate is a benzoate ester obtained by condensation of benzoic acid and propanol.
Definition
US FDA substance register · UNII VWK210B7WS · registered name PROPYL BENZOATE · single chemical substance
Propyl benzoate is a benzoate ester obtained by condensation of benzoic acid and propanol. It has a balsamic odor reminescent of nuts with a sweet, fruity, nut-like taste. It has a role as a flavouring agent, an antimicrobial food preservative and a plant metabolite.
Source: PubChem
Propyl Benzoate is the ester of n-propyl alcohol and Benzoic Acid. It conforms to the formula:
Cosmetic roles
Safety & regulatory references
- Restricted
- China · Japan · South Korea
Source: MFDS (Korea) cosmetic regulatory information
Argentina · Brazil
- Maximum concentration permitted at final product : 0.5% (expressed as acid)
ASEAN
- Maximum authorised concentration in the finished cosmetic product : 0.5 % (acid)
Taiwan
- 0.5%
European Union
- Maximum concentration in ready for use preparation : 0.5% (acid)
Source: MFDS (Korea) cosmetic regulatory information
Restriction V/1a · Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
Reviewed by CIR: Safety Assessment of Alkyl Benzoates as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 2315-68-6
- EC No.EU chemical inventory number
- 219-020-8
- DTXSIDUS EPA chemical ID
- DTXSID4044878
- DTXCIDUS EPA compound ID
- DTXCID2024878
- IUPAC
- Propyl benzoate
- Molecular formula
- C10H12O2
- Molecular weight
- 164.204 g/mol
Measured properties
- Appearance
- Liquid · colourless oily liquid with a warm, herbaceous, balsamic, nut-like odour
- Boiling point
- 229.00 to 231.00 °C. @ 760.00 mm Hg · 229 °C
- Melting point
- -51 - -52 °C
- Solubility
- 0.351 mg/mL at 25 °C · insoluble in water, soluble in organic solvents, oils
- Density
- 1.020-1.026
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 6 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.
- Fragrance2
- Flavouring and nutrient2
- Processing aids not otherwise specified1
- Preservative1
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
- Category 6.3A (Category 2)
Skin Irritation · Read Across - Category 6.4A (Category 2A)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard
Related literature
- Determination of 22 preservatives in cosmetics by ultra performance liquid chromatography · 2009
- Impact of four local anaesthetics on growth and viability of in vitro cultured Borrelia burgdorferi sensu stricto, Borrelia bavariensis and Borrelia afzelii. · 2021
- Macro‐ and microscopic alterations in 2 rabbit skin regions following topically repeated applications of benzoic acid n‐alkyl esters · 1988
Linked databases 19
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- Korea Cosmetic Association ingredient dictionary
- MFDS (Korea) cosmetic ingredient register 2
- MFDS (Korea) cosmetic regulatory information 2 3
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search 2 3
- 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 · English · Chinese