Phosphine oxide,diphenyl(phenylmethyl)-

Modify Date: 2025-08-25 08:08:25

Phosphine oxide,diphenyl(phenylmethyl)- Structure
Phosphine oxide,diphenyl(phenylmethyl)- structure
Common Name Phosphine oxide,diphenyl(phenylmethyl)-
CAS Number 2959-74-2 Molecular Weight 292.31100
Density 1.15g/cm3 Boiling Point 423ºC at 760mmHg
Molecular Formula C19H17OP Melting Point N/A
MSDS N/A Flash Point 209.6ºC

 Names

Name diphenylphosphorylmethylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.15g/cm3
Boiling Point 423ºC at 760mmHg
Molecular Formula C19H17OP
Molecular Weight 292.31100
Flash Point 209.6ºC
Exact Mass 292.10200
PSA 26.88000
LogP 4.20070
Vapour Pressure 5.67E-07mmHg at 25°C
Index of Refraction 1.61
Storage condition 2-8°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ0245000
CHEMICAL NAME :
Phosphine oxide, diphenyl(phenylmethyl)-
CAS REGISTRY NUMBER :
2959-74-2
BEILSTEIN REFERENCE NO. :
2809334
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C19-H17-O-P
MOLECULAR WEIGHT :
292.33

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 24(4),22,1990

 Synthetic Route

 Synonyms

benzylbisphenylphosphine oxide
Phosphine oxide,diphenyl(phenylmethyl)
Diphenyl(phenylmethyl)phosphine oxide
Phosphine oxide,benzyldiphenyl
Phosphine oxide,benzyldiphenyl-(6CI,7CI,8CI)
benzyl-diphenyl-phosphate oxygen
P-benzyldiphenylphosphonium oxide
Diphenylbenzylphosphine oxide
Benzyldiphenylphosphine oxide
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