Diphenylphosphine oxide

Modify Date: 2025-08-20 22:43:32

Diphenylphosphine oxide Structure
Diphenylphosphine oxide structure
Common Name Diphenylphosphine oxide
CAS Number 4559-70-0 Molecular Weight 202.189
Density N/A Boiling Point 329.2±25.0 °C at 760 mmHg
Molecular Formula C12H11OP Melting Point 56-57 °C(lit.)
MSDS Chinese USA Flash Point 152.9±23.2 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name Diphenylphosphine oxide
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 329.2±25.0 °C at 760 mmHg
Melting Point 56-57 °C(lit.)
Molecular Formula C12H11OP
Molecular Weight 202.189
Flash Point 152.9±23.2 °C
Exact Mass 202.054749
PSA 40.54000
LogP 1.29
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.608-1.61

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R22;R36/37/38
Safety Phrases S26
RIDADR NONH for all modes of transport
WGK Germany 2
HS Code 2902909090

 Synthetic Route

 Customs

HS Code 2902909090
Summary 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Articles5

More Articles
Edwards, M. L.; Stemerick, D. M. et al.

Tetrahedron Lett. 31 , 5571, (1990)

Kurz, L.; Lee, G.; Morgans, D. et al.

Tetrahedron Lett. 31 , 632, (1990)

Alcock, N. W.; Brown, J. M.; Hulmes, D. I.

Tetrahedron Asymmetry 4 , 743, (1993)

 Synonyms

oxo(diphenyl)phosphanium
Diphenylphosphine oxide
Phosphorane, diphenyl-, oxide
MFCD00002079
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