Octadecyl palmitate

Basic Information

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CAS Number

2598-99-4

Molecular Formula

C34H68O2

Molecular Weight

508.92 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Fine Chemicals Surfactants Anionic Surfactants

Polymers and Plastics Thermoplastics Polyolefins

Basic Physical Properties

Boiling Point

528.4°Cat760mmHg

Density

0.857

Flash Point

283.6°C

SMILES

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CCCCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCC

InChI

InChI=1S/C34H68O2/c1-3-5-7-9-11-13-15-17-18-19-21-23-25-27-29-31-33-36-34(35)32-30-28-26-24-22-20-16-14-12-10-8-6-4-2/h3-33H2,1-2H3

InChIKey

BILPUZXRUDPOOF-UHFFFAOYSA-N

LogP

12.272399999999982

Topological Polar Surface Area

26.3 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

406

Synonyms & References

English

Hexadecanoic acid,octadecyl ester
Stearyl Palmitate
Palmitic acid stearyl ester

MDL Number

MFCD00056224

Customs Code

2915709000

FAQ

What are the physical and chemical properties of Octadecyl palmitate (CAS: 2598-99-4)?

Octadecyl palmitate (CAS: 2598-99-4) is an oily liquid with a high melting point. Its molecular weight is approximately 344.5 g/mol. It is sparingly soluble in water but miscible with most organic solvents. Chemically, it is relatively stable but can react with strong acids or bases. It is used in cosmetics and pharmaceuticals due to its excellent emollient properties.

How is Octadecyl palmitate (CAS: 2598-99-4) typically synthesized?

Octadecyl palmitate is typically synthesized through an esterification reaction between palmitic acid and 18-methylene stearic acid. The reaction is catalyzed by a solid acid, such as Amberlyst-15, and proceeds with good selectivity and a yield of around 95%. The process involves heating the reactants under an inert atmosphere to ensure purity.

What industries use Octadecyl palmitate (CAS: 2598-99-4)?

Octadecyl palmitate (CAS: 2598-99-4) is widely used in the cosmetics and pharmaceutical industries for its skin conditioning properties. It is also utilized in the polymer industry for improving the flexibility and stability of plastic materials. Additionally, it finds applications in sensors and semiconductors for its lubricating and protective qualities.

What precautions should be taken when handling Octadecyl palmitate (CAS: 2598-99-4)?

When handling Octadecyl palmitate (CAS: 2598-99-4), always use personal protective equipment (PPE) including gloves and safety glasses. Store it in a cool, well-ventilated area away from heat sources and incompatible materials. In case of a spill, use appropriate absorbent material to contain the spill and dispose of it according to local regulations. Refer to the Safety Data Sheet (SDS) for more detailed handling instructions.