Dimethyl phenylphosphonate

Basic Information

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CAS Number

2240-41-7

Molecular Formula

C8H11O3P

Molecular Weight

186.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Insecticides

Basic Physical Properties

Boiling Point

247°C

Flash Point

154 °C

Refractive Index

1.5080 to 1.5100

SMILES

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COP(=O)(C1=CC=CC=C1)OC

InChI

InChI=1S/C8H11O3P/c1-10-12(9,11-2)8-6-4-3-5-7-8/h3-7H,1-2H3

InChIKey

OXDOANYFRLHSML-UHFFFAOYSA-N

LogP

1.7978

Topological Polar Surface Area

35.53 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

167

Safety Information

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GHS Hazard Pictograms

H303

Hazard Statement

H303 May be harmful if swallowed
Acute toxicity, oral

Synonyms & References

English

NSC 62258
AKOS006230179
Benzenephosphonic Acid Dimethyl Ester
NSC-62258
Dimethylphenylphosphonate
BP-21368
BRN 0639039
NCIOpen2_000001
SY054526
Phosphonic acid, phenyl-, O,O-dimethyl ester
Dimethoxyphenylphosphine oxide
dimethoxyphosphorylbenzene
doi:10.14272/OXDOANYFRLHSML-UHFFFAOYSA-N.1
DTXSID20176933
0-16-00-00804 (Beilstein Handbook Reference)
FT-0731949
O,O-Dimethyl phenylphosphonate
SCHEMBL499887
o,o-Dimethyl benzene phosphonate
Dimethyl Phenylphosphonate
Phosphonic acid, phenyl-, dimethyl ester
Dimethyl benzenephosphonate
CS-W022633
A878543
2240-41-7
Phenylphosphonic acid dimethyl ester
P0332
MFCD00059292
CAA24041
phenyl-phosphonic acid dimethyl ester
Phosphonic acid,p-phenyl-,dimethyl ester

MDL Number

MFCD00059292

Customs Code

2931900090

FAQ

What are the physical and chemical properties of Dimethyl phenylphosphonate (CAS: 2240-41-7)?

Dimethyl phenylphosphonate (CAS: 2240-41-7) is a colorless to slightly yellowish liquid with a molecular weight of approximately 186.21 g/mol. It has a low solubility in water but is soluble in common organic solvents. Chemically, it is highly reactive, especially under basic conditions, and can undergo hydrolysis and substitution reactions. It is often used in organic synthesis and as a phosphorus-containing compound in various industrial applications.

How is Dimethyl phenylphosphonate (CAS: 2240-41-7) typically synthesized?

Dimethyl phenylphosphonate (CAS: 2240-41-7) is typically synthesized through the reaction of phenyl phosphonic acid with dimethylamine. Commonly, this process involves treating phenyl phosphonic acid with excess dimethylamine in an aprotic solvent like dichloromethane. The reaction yields a mixture that is purified by distillation to obtain the pure compound. The process requires attention to temperature control and the use of appropriate catalysts to achieve high selectivity and yield.

What industries use Dimethyl phenylphosphonate (CAS: 2240-41-7)?

Dimethyl phenylphosphonate (CAS: 2240-41-7) is used across several industries. It is a key component in the production of pharmaceuticals, where it serves as a precursor in the synthesis of certain medicinal compounds. It is also used in the polymer industry for modifying plastics, in sensor technology for chemical detection, and in semiconductor manufacturing for etching solutions. Its versatility makes it a valuable chemical in various advanced applications.

What precautions should be taken when handling Dimethyl phenylphosphonate (CAS: 2240-41-7)?

Dimethyl phenylphosphonate (CAS: 2240-41-7) should be handled with appropriate safety precautions due to its reactivity. Safety goggles and gloves are essential, and handling should be conducted in well-ventilated areas or fume hoods. It should be stored in a cool, dry place away from heat sources and direct sunlight. In case of a spill, immediately contain the spill using absorbent materials and follow local safety guidelines. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety information.