Oleyl Phosphate (Mono- and Di- Ester mixture) TCI O0146

Chemical Identity

CAS No.: 37310-83-1
PubChem: CID 44630416·SID 87574150
Formula: C54H108O8P2
Molecular weight: 947.4 g/mol

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: bis[(Z)-octadec-9-enyl] hydrogen phosphate;[(Z)-octadec-9-enyl] dihydrogen phosphate
SMILES: CCCCCCCC/C=C\CCCCCCCCOP(=O)(O)O.CCCCCCCC/C=C\CCCCCCCCOP(=O)(OCCCCCCCC/C=C\CCCCCCCC)O
InChIKey: AXHWYIGCHLDYSI-DJVOFWIMSA-N

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Volume 25mL 500mL

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Oleyl Phosphate (Mono- and Di-Ester mixture) from TCI is a phosphoric acid ester of oleyl alcohol, a long-chain unsaturated fatty alcohol. It is a mixture of monoester and diester, so each molecule has a polar phosphate head group and a long, strongly lipophilic hydrocarbon tail. This amphiphilic structure lets oleyl phosphate work as an anionic surfactant, emulsifier, and dispersing agent. In the laboratory it is often used to modify surfaces, stabilise emulsions, and study lubricant formulations and metal-protection materials.

Several properties make it a common choice. The phosphate group binds strongly to metal and metal oxide surfaces. The oleyl tail, which carries a cis double bond, gives good solubility in oils and non-polar solvents. Together, these features make it an effective surface ligand for nanoparticles and a useful anti-wear additive in lubricants. Because it is a mixture of mono- and diesters, its interfacial behaviour covers a wider range than a single ester. This often makes it a good fit for complex formulation systems where one pure surfactant may not give enough flexibility.

In Indonesia, oleyl phosphate is relevant to materials science and nanotechnology research laboratories, where surface ligands and dispersants are needed for nanoparticle synthesis and stabilisation. It also serves laboratories that develop lubricants, corrosion-protection coatings, and emulsion-based formulations, as well as university chemistry departments studying amphiphilic molecules and interfacial chemistry. Catalogued under non-heterocyclic building blocks, it can also serve as a starting material for further synthetic work in academic and industrial research.

Related TCI products

Nanoparticle surface functionalisation: the phosphate head binds strongly to metal and metal oxide surfaces, while the oleyl tail keeps the particles dispersed in non-polar solvents.
Emulsion stabilisation studies: its amphiphilic structure, with a polar phosphate head and a lipophilic tail, lets it act as an anionic emulsifier at oil–water interfaces in formulation research.
Lubricant and anti-wear additive research: the phosphate group anchors to metal surfaces and the oil-soluble oleyl chain mixes into base oils, which suits studies of friction and wear protection.
Metal surface protection and corrosion studies: strong adsorption of the phosphate group on metal and oxide surfaces makes it suitable for testing protective film formation and surface modification.
Dispersion of solids in non-polar media: as a dispersing agent, the mono- and diester mixture offers a wide range of interfacial behaviour that helps with complex multi-component formulation systems.

Brand	TCI (product code O0146)
CAS number	37310-83-1
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes	see the pack sizes listed on the product page
Physical form	—
Storage	keep tightly closed in a cool, dry place; follow the TCI label and Safety Data Sheet

Composition: mixture of oleyl phosphate monoester and diester

Keep Oleyl Phosphate in its original, tightly closed container in a cool, dry, well-ventilated area, away from heat, direct sunlight, and strong oxidising agents. Reseal the container promptly after use to limit exposure to moisture and air, since the unsaturated oleyl chain can slowly degrade over time. Use clean glass or chemically compatible containers when transferring or portioning the material. Wear suitable personal protective equipment, including safety glasses, chemical-resistant gloves, and a lab coat, and avoid contact with skin and eyes. Handle the product in a well-ventilated area or fume hood, clean up spills promptly, and always consult the TCI Safety Data Sheet for specific hazard, first-aid, and disposal information before use.

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