Ethyldiphenylphosphine oxide

Basic Information

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CAS Number

1733-57-9

Molecular Formula

C14H15OP

Molecular Weight

230.25 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

120-125 °C

Boiling Point

179-180°C 14mm

Flash Point

>110°C

SMILES

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CCP(=O)(C1=CC=CC=C1)C2=CC=CC=C2

InChI

InChI=1S/C14H15OP/c1-2-16(15,13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,2H2,1H3

InChIKey

AKTGKEBIBGSCLD-UHFFFAOYSA-N

LogP

3.0204000000000013

Topological Polar Surface Area

17.07 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

228

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

Ethyldiphenylphosphine oxide, 97%
J-010898
Diphenyl(ethyl)phosphine oxide
AKOS016034554
A935078
Diphenylethylphosphineoxide
DIPHENYLPHOSPHINOETHANE MONOXIDE
E77995
BRN 0910291
Phosphine oxide, diphenylethyl-
CB83WF95OB
Phosphine oxide, ethyldiphenyl-
SCHEMBL777736
DTXSID70169577
Ethyldiphenylphosphine oxide
(ethyl-phenylphosphoryl)benzene
[ethyl(phenyl)phosphoroso]benzene
[ethyl(phenyl)phosphoryl]benzene
CS-0203217
FT-0625262
MFCD00013912
Q27275388
diphenylethylphosphine oxide
1733-57-9
EINECS 217-068-4
Ethyl diphenyl phosphine oxide
AS-60765
AKTGKEBIBGSCLD-UHFFFAOYSA-N
NS00014958
UNII-CB83WF95OB
Phosphine oxide,ethyldiphenyl-

MDL Number

MFCD00013912

Customs Code

2902909090

FAQ

What are the physical and chemical properties of Ethyldiphenylphosphine oxide (CAS: 1733-57-9)?

Ethyldiphenylphosphine oxide, CAS 1733-57-9, is a yellow crystalline solid with a molecular weight of approximately 267.24 g/mol. It is slightly soluble in water but highly soluble in organic solvents. It is reactive towards nucleophiles and can undergo substitution reactions. Its physical properties include a melting point of about 96-98°C and a density of 1.30 g/cm³.

How is Ethyldiphenylphosphine oxide (CAS: 1733-57-9) typically synthesized?

Ethyldiphenylphosphine oxide is typically synthesized by the reaction of phenylphosphoryl chloride with ethyl alcohol. The process involves the nucleophilic substitution of the chloride ion by the alcohol, yielding the desired ethyl diphenylphosphine oxide. This reaction is often carried out in the presence of a base to improve the yield and selectivity.

What industries use Ethyldiphenylphosphine oxide (CAS: 1733-57-9)?

Ethyldiphenylphosphine oxide (CAS 1733-57-9) is used in various industries, particularly in the synthesis of pharmaceuticals, where it serves as a precursor for the production of certain drugs. It is also utilized in the polymer industry for the modification of polymer properties and in the electronics industry for semiconductor applications.

What precautions should be taken when handling Ethyldiphenylphosphine oxide (CAS: 1733-57-9)?

When handling Ethyldiphenylphosphine oxide (CAS 1733-57-9), it is important to use appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a fume hood to minimize exposure. Spills should be cleaned up immediately using appropriate absorbent materials. Always refer to the Safety Data Sheet (SDS) for detailed handling and emergency procedures.