Petroselinic acid
Petroselinic acid (CAS: 593-39-5), with the molecular formula C18H34O2 and a molecular weight of 282.46 g/mol, is a naturally occurring monounsaturated fatty acid. Primarily found in plants like parsley and celery, it functions as a component of the lipid structures within these organisms. It is utilized in biochemical research, particularly within cell biology and nutrition studies, and serves as a valuable reference standard in fatty acid analysis.
- IUPAC
- 5-Heptadecylene-1-carboxylic acid,6-Octadecylenic acid,cis-6-Octadecenoic acid,C18:1n-12
- Synonyms
- cis-6-Octadecenoic acid5-Heptadecylene-1-carboxylic acidC18:1n-126-Octadecylenic acid

Biochemical Research
Petroselinic acid is used in cell biology research to study lipid metabolism and membrane composition. It serves as a standard for chromatographic and spectroscopic analyses of fatty acids.
Nutrition and Phytochemical Studies
As a significant component of certain plant oils, petroselinic acid is investigated for its nutritional properties and role in plant physiology. Its presence in herbs like Panax ginseng is of interest for phytochemical analysis.
Fatty Acid Standards
The compound acts as a reference material for the identification and quantification of fatty acids in complex biological and food matrices.
| Molecular weight | 282.46 |
|---|---|
| Empirical formula | C18H34O2 |
| Assay | ≥99% |
| Form | powder |
| Colour | white |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Petroselinic acid used for?
+
Petroselinic acid is used in biochemical research, cell biology studies, nutrition research, and as a standard for fatty acid analysis. It is also investigated for its role as a phytochemical in plants.
What is the CAS number and molecular formula for Petroselinic acid?
+
The CAS number for Petroselinic acid is 593-39-5, and its molecular formula is C18H34O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Petroselinic acid with a purity of ≥99%. We do not represent this product as USP, BP, or EP grade.
How should Petroselinic acid be handled safely?
+
Petroselinic acid is a potential irritant to the skin, eyes, and respiratory tract. Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation.
How is Petroselinic acid packed and shipped?
+
Petroselinic acid is typically supplied as a white powder and stored at -20°C. It is carefully packed for global export by Tech Serve Solutions to maintain product integrity.
How can I request a sample or quote for Petroselinic acid?
+
To request a sample or a quote for Petroselinic acid, please contact the Tech Serve Solutions sales team through our website or by phone.
▶ Related products
![(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide (C8H13N3O4) — chemical structure, CAS 138472-01-2; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138472-01-2.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide
C8H13N3O4
Biochemicals & Reagents![(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide (C14H18N4O4) — chemical structure, CAS 162626-99-5; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F162626-99-5.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide
C14H18N4O4
Biochemicals & Reagents
(±)-2,5-Dimethoxy-4-bromoamphetamine hydrobromide
Biochemicals & Reagents

(±)-2-(p-Methoxyphenoxy)propionic acid
C10H12O4
Biochemicals & Reagents
(±)-2-Amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene hydrobromide
C10H13NO2·HBr
Biochemicals & Reagents
(±)-2-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxyoctanoic acid
C8H16O3
Biochemicals & Reagents▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis