Triphenylphosphine selenide

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Names

[ Name ]:
Triphenylphosphine selenide

[Synonym ]:
Phosphorane, triphenyl-, selenide
triphenyl(selanylidene)-λ<sup>5</sup>-phosphane
EINECS 223-406-1
Triphenylphosphine selenide

Chemical & Physical Properties

[ Boiling Point ]:
448.6±28.0 °C at 760 mmHg

[ Melting Point ]:
186-188ºC

[ Molecular Formula ]:
C₁₈H₁₆PSe

[ Molecular Weight ]:
341.246

[ Flash Point ]:
225.1±24.0 °C

[ Exact Mass ]:
342.007660

[ PSA ]:
9.81000

[ LogP ]:
3.13

[ Appearance of Characters ]:
solid

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Storage condition ]:
Store below +30°C.

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SZ2455000

CHEMICAL NAME :: Phosphine selenide, triphenyl-

CAS REGISTRY NUMBER :: 3878-44-2

BEILSTEIN REFERENCE NO. :: 2269139

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C18-H15-P-Se

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,39,1953

Safety Information

[ Hazard Codes ]:
T,N

[ Risk Phrases ]:
R23/25;R33;R50/53

[ Safety Phrases ]:
S20/21-S28-S45-S60-S61

[ RIDADR ]:
UN 2811 6.1/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
SZ2455000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1(b)

[ HS Code ]:
2902909090

Synthetic Route

Click to get detail 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%