2-Ethylhexyl diphenyl phosphate

Basic Information

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CAS Number

1241-94-7

Molecular Formula

C20H27O4P

Molecular Weight

362.41 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Agricultural Chemicals Pesticides Insecticides

Basic Physical Properties

Melting Point

-30°C

Boiling Point

232°C/5mmHg

Flash Point

224 °C

Refractive Index

1.5080 to 1.5110

SMILES

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CCCCC(CC)COP(=O)(Oc1ccccc1)Oc2ccccc2

InChI

InChI=1S/C20H27O4P/c1-3-5-12-18(4-2)17-22-25(21,23-19-13-8-6-9-14-19)24-20-15-10-7-11-16-20/h6-11,13-16,18H,3-5,12,17H2,1-2H3

InChIKey

CGSLYBDCEGBZCG-UHFFFAOYSA-N

LogP

6.485500000000006

Topological Polar Surface Area

44.760000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

365

Safety Information

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GHS Hazard Pictograms

H301

H410

Hazard Statement

H301 Toxic if swallowed
Acute toxicity, oral

H410 Very toxic to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Hazard Class

Class 9 Class 9

Synonyms & References

English

2-Ethylhexyl diphenyl phosphate
Diphenyl Octyl Phosphate
Phosphoric acid diphenyl 2-ethylhexyl ester
diphenyl 2-ethylhexyl phosphate
2-Ethylhexyldiphenylphosphateneat
Santicizer? 141
2-Ethylhexyl diphenyl phosphate (EDP, DPEHP)
2-ethylhexyl,diphenyl ester
Octyl Diphenyl Phosphate
Phosflex(R)362
phosphoric acid diphenyl 2-ethyl-hexyl ester
Phosphoric Acid Octyl Diphenyl Ester
phosphoric acid-(2-ethyl-hexyl ester)-diphenyl ester
Phosphorsaeure-(2-aethyl-hexylester)-diphenylester
Santicizer 141
Phosphoric Acid 2-Ethylhexyl Diphenyl Ester
Phosphoric Acid Diphenyl 2-Ethylhexyl Ester
Phosphoric acid 2-ethylhexyl diphenyl ester

MDL Number

MFCD00059949

Customs Code

2919900090

FAQ

What are the physical and chemical properties of 2-Ethylhexyl diphenyl phosphate (CAS: 1241-94-7)?

2-Ethylhexyl diphenyl phosphate is a clear, colorless liquid with a molecular weight of approximately 324.38 g/mol. It has a specific gravity of 1.15 g/cm³ and a flash point of 93°C. The compound is slightly soluble in water but highly soluble in most organic solvents. It is reactive towards bases and can undergo hydrolysis under basic conditions.

How is 2-Ethylhexyl diphenyl phosphate (CAS: 1241-94-7) typically synthesized?

2-Ethylhexyl diphenyl phosphate is usually synthesized via the reaction of diphenyl phosphate with 2-ethylhexanol. The reaction is catalyzed by a Lewis acid like aluminum chloride and typically yields high selectivity and good reaction rates. This method provides a yield of about 90%.

What industries use 2-Ethylhexyl diphenyl phosphate (CAS: 1241-94-7)?

2-Ethylhexyl diphenyl phosphate is widely used in the polymer industry as a plasticizer and in the pharmaceutical industry as a stabilizer. It can also be found in sensor applications and as a component in certain semiconductor manufacturing processes. Its use as a flame retardant in some formulations is also a notable application.

What precautions should be taken when handling 2-Ethylhexyl diphenyl phosphate (CAS: 1241-94-7)?

When handling 2-Ethylhexyl diphenyl phosphate, it is essential to use appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Spills should be contained and cleaned up using appropriate absorbent materials. Work should be conducted in a well-ventilated area or fume hood. The material safety data sheet (MSDS/SDS) should always be consulted for detailed safety information and emergency procedures.