Citronellic acid is a monounsaturated fatty acid that is oct-6-enoic acid carrying methyl groups at positions 3 and 7.
Definition
Citronellic acid is a monounsaturated fatty acid that is oct-6-enoic acid carrying methyl groups at positions 3 and 7. It has a role as a flavouring agent and a plant metabolite. It is a monoterpenoid, a monounsaturated fatty acid and a medium-chain fatty acid. It is functionally related to a citronellal.
Source: PubChem
US FDA substance register · UNII 1JJT408R87 · registered name CITRONELLIC ACID · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 502-47-6
- EC No.EU chemical inventory number
- 207-939-7
- DTXSIDUS EPA chemical ID
- DTXSID1047106
- DTXCIDUS EPA compound ID
- DTXCID9027106
- IUPAC
- 3,7-Dimethyloct-6-enoic acid
- Molecular formula
- C10H18O2
- Molecular weight
- 170.252 g/mol
Measured properties
- Appearance
- Liquid, [Sigma-Aldrich MSDS] · Solid
- Boiling point
- 121.00 to 122.00 °C. @ 1.00 mm Hg · 121-122 °C (1 mm Hg)
- Melting point
- 257 °C
- Solubility
- slightly · Insoluble in glycerol, water, soluble in most fixed oils, propylene glycol
- Density
- 0.920-0.926 (20 °C)
- Colour
- colourless
- Melting/freezing point
- 257 ℃
- Initial boiling point and range
- 121~122 ℃
- Flash point
- &, gt, 110 ℃
- Vapour pressure
- 0.041 ㎜Hg
- Water solubility
- 89.48 ㎎/ℓ
- n-Octanol/water partition coefficient (Kow)
- 3.78
- Molecular weight
- 170.25
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 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.
- Flavouring and nutrient2
- Deodorizer1
- Anti-dandruff (EPA)1
- Biocide1
- Fragrance1
Source: US EPA CompTox dashboard
Related literature
- Citronellic Acid Improves Skin Barrier Function by Activation of PPAR-α · 2024
- Bioactive Potential of Chitosan–Oleic Acid Nanoparticles Loaded with Lemon Peel Essential Oil for Topical Treatment of Vulvovaginal Candidiasis · 2024
- Topical Toxicity and Repellency Profiles of 17 Essential Oil Components against Insecticide-Resistant and Susceptible Strains of Adult Musca domestica (Diptera: Muscidae) · 2024
- Toxicity and neurophysiological impacts of plant essential oil components on bed bugs (Cimicidae: Hemiptera) · 2019
- Inhibitory effects of geranic acid derivatives on melanin biosynthesis. · 2012
Linked databases 15
- 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 2
- 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