Oleic acid
Oleic acid (CAS: 112-80-1), a monounsaturated omega-9 fatty acid with the linear formula CH3(CH2)7CH=CH(CH2)7COOH and a molecular weight of 282.46 g/mol, is a key building block. Primarily found naturally in animal and vegetable fats, it serves as a crucial intermediate in various chemical synthesis processes and finds applications in cell biology research. Its properties make it a versatile compound for industrial and laboratory use.
- IUPAC
- cis-9-Octadecenoic acid,Elainic acid
- Synonyms
- cis-9-Octadecenoic acidElainic acid

Chemical Synthesis Intermediate
Oleic acid is extensively used as a precursor in the synthesis of numerous organic compounds. Its unsaturated nature allows for diverse chemical transformations, making it valuable in producing surfactants, lubricants, and emulsifiers.
Cell Biology Research
With a suitability for cell culture, Oleic acid is employed in biological research to study lipid metabolism and cell membrane function. It can be incorporated into cell culture media to provide essential fatty acids for cellular processes.
Laboratory Reagent
As a readily available carboxylic acid, Oleic acid functions as a standard reagent in analytical and synthetic organic chemistry laboratories. Its defined properties aid in various experimental procedures.
| Molecular weight | 282.46 |
|---|---|
| Linear formula | CH3(CH2)7CH=CH(CH2)7COOH |
| Assay | ≥60% (GC) |
| Grade | SAJ first grade |
| Boiling point | 194-195 °C/1.2 mmHg(lit.) |
| Density | 0.89 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.459(lit.)n20/D 1.459 |
| Melting point | 13-14 °C(lit.) |
| Solubility | ethanol: soluble |
| Vapour pressure | 1 mmHg (176 °C) |
| Storage temperature | −20°C |
| Suitability | suitable for cell culture |

Hazard statements
- H315Causes skin irritation
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 38 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Availability | available only in Japan |
|---|
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 Oleic acid used for?
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Oleic acid is used as an intermediate in chemical synthesis and in cell biology research, particularly in cell culture applications. It is also a common laboratory reagent.
What is the CAS number and chemical formula for Oleic acid?
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The CAS number for Oleic acid is 112-80-1, and its linear chemical formula is CH3(CH2)7CH=CH(CH2)7COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Oleic acid in SAJ first grade, with an assay of ≥60% (GC). TSS does not represent this product as USP, BP, or EP grade.
How should Oleic acid be handled safely?
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Oleic acid is classified as a Warning signal word with H315 hazard statement (causes skin irritation). Recommended personal protective equipment includes eyeshields, gloves, and appropriate respiratory protection such as a multi-purpose combination respirator cartridge (US) or an ABEK filter (EN14387).
Is Oleic acid available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Oleic acid. Please note that this specific product is currently available only in Japan.
How can I request a sample or quote for Oleic acid?
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To request a sample or a quote for Oleic acid, please contact our sales department through the website or by phone. Our team will assist you with your inquiry.
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