Valeric acid is a straight-chain saturated fatty acid containing five carbon atoms.
Definition
Valeric acid is a straight-chain saturated fatty acid containing five carbon atoms. It has a role as a plant metabolite. It is a short-chain fatty acid and a straight-chain saturated fatty acid. It is a conjugate acid of a valerate.
Source: PubChem
US FDA substance register · UNII GZK92PJM7B · registered name Valeric acid · 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
- 109-52-4
- EC No.EU chemical inventory number
- 203-677-2
- DTXSIDUS EPA chemical ID
- DTXSID7021655
- DTXCIDUS EPA compound ID
- DTXCID801655
- IUPAC
- Pentanoic acid
- Molecular formula
- C5H10O2
- Molecular weight
- 102.133 g/mol
Measured properties
- Appearance
- liquid
- Colour
- colourless
- pH
- 3.3
- Melting/freezing point
- -34 ℃
- Initial boiling point and range
- 186.1 ℃
- Flash point
- 86 ℃(c.c.)
- Flammability (solid, gas)
- combustible
- Upper/lower flammability or explosive limits
- 7.6 / 1.6 %
- Vapour pressure
- 0.196 ㎜Hg (@ 25℃)
- Water solubility
- 24000 ㎎/ℓ (@ 25℃)
- Vapour density
- 3.5
- Relative density
- 0.94
- n-Octanol/water partition coefficient (Kow)
- 1.39
- Auto-ignition temperature
- 400 ℃
- Viscosity
- 2.30 cP (@ 20℃)
- Molecular weight
- 102.15
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 10 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.
- Intermediate3
- Flavouring and nutrient2
- Fragrance2
- Solvent1
- Lubricating agent1
- Monomers1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
6 skin studies and 2 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 8 studies
- Corrosive
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) 1981 according to - Category 8.2C (Category 1C)
Skin Irritation · Read Across - Skin Corr. 1B
Skin Irritation · Authoritative - Skin corrosion/irritation - Category 1
Skin Irritation · Screening - Classification not possible
Skin Sensitization · Screening - Category 1
Skin Irritation · Screening - Category 1
Eye Irritation · Screening - Category 8.3A (Category 1)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard
Related literature
- The nanocellulose fiber scaffold to construct a hierarchical phenolic coating on cotton fiber surfaces for inactivating pathogens through an enhanced protein adsorption mechanism. · 2024
- Chitosan/poly (3-hydroxy butyric acid-co-3-hydroxy valeric acid) electrospun nanofibers with cephradine for superficial incisional skin wound infection management. · 2023
- The differential crosstalk of the skin-gut microbiome axis as a new emerging actor in systemic sclerosis. · 2023
- Low Concentration of Fecal Valeric Acid at 1 Year of Age Is Linked with Eczema and Food Allergy at 13 Years of Age: Findings from a Swedish Birth Cohort · 2021
- GC-FID AND PHYSICOCHEMICAL STUDIES OF OIL FROM THE LEAVES OF FICUS ELASTICA LINN · 2017
Linked databases 16
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem
- Tlooto literature search 2 3 4 5
- 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 · Korean · English · Japanese · Chinese