Arachidonic acid sodium salt
Arachidonic acid sodium salt (CAS: 6610-25-9), a sodium salt derived from the omega-6 polyunsaturated fatty acid arachidonic acid, with the molecular formula C20H31O2Na and a molecular weight of 326.45 g/mol. Supplied as a waxy solid, it originates from porcine liver. This compound is utilised in biochemical research, cell biology studies, and as a reference standard in analytical chemistry due to its role in various biological signalling pathways.
- IUPAC
- 5,8,11,14-Eicosatetraenoic acid,Eicosa-5Z,8Z,11Z,14Z-tetraenoic acid,Sodium arachidonate,cis,cis,cis,cis-5,8,11,14-Eicosatetraenoic acid sodium salt, 20:4
- Synonyms
- 5,8,11,14-Eicosatetraenoic acid, sodium saltEicosa-5Z,8Z,11Z,14Z-tetraenoic acid, sodium saltSodium arachidonatecis,cis,cis,cis-5,8,11,14-Eicosatetraenoic acid sodium salt20:4

Biochemical Research
Arachidonic acid sodium salt serves as a crucial tool in understanding lipid metabolism and signalling pathways. Its use in research helps elucidate the roles of eicosanoids and their precursors in cellular functions.
Cell Biology Studies
This compound is employed in cell culture experiments to investigate the effects of omega-6 fatty acids on cell growth, differentiation, and inflammatory responses. It aids in studying membrane fluidity and signal transduction.
Analytical Standards
As a well-defined chemical entity, arachidonic acid sodium salt is used as an analytical standard for the quantification and identification of related compounds in complex biological matrices using techniques like GC-MS.
| Molecular weight | 326.45 |
|---|---|
| Empirical formula | C20H31O2Na |
| Assay | ≥90% (GC) |
| Form | waxy solid |
| Solubility | methanol: soluble50 mg/mL, clear, colorless to faintly yellow |
| Storage temperature | −20°C |
| Biological source | from porcine liver |
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 19 |
| Supplemental hazards | May form explosive peroxides. |
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 Arachidonic acid sodium salt used for?
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Arachidonic acid sodium salt is primarily used in biochemical research and cell biology studies to investigate lipid metabolism, signalling pathways, and the effects of omega-6 fatty acids. It also serves as an analytical standard.
What is the CAS number and formula for Arachidonic acid sodium salt?
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The CAS number is 6610-25-9 and the empirical formula (Hill notation) is C20H31O2Na.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Arachidonic acid sodium salt with an assay of ≥90% (GC). This is suitable for research and technical applications. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Arachidonic acid sodium salt?
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Arachidonic acid sodium salt may form explosive peroxides and requires appropriate personal protective equipment, including eyeshields, gloves, and an N100 (US) or P3 (EN143) respirator. It should be stored at -20°C and handled with care to avoid dust formation. Observe supplemental hazard statements regarding potential peroxide formation.
How is Arachidonic acid sodium salt typically packed and exported?
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Products are typically packed in secure containers suitable for chemical transport and can be exported globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a sample or quote for Arachidonic acid sodium salt?
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To request a sample or quote for Arachidonic acid sodium salt, please contact our sales team via the website or provide your details through the product inquiry form.
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