| | Identification | Back Directory |  | [Name] 
 TRIPHENYLPHOSPHINE SELENIDE
 |  | [CAS] 
 3878-44-2
 |  | [Synonyms] 
 Triphenylphosphinselenid
 triphenyl-phosphineselenid
 TRIPHENYLPHOSPHINE SELENIDE
 Phosphine selenide, triphenyl-
 Triphenylphosphine selenide,98%
 TRIPHENYLPHOSPHINE SELENIDE FOR SYNTHESI
 |  | [EINECS(EC#)] 
 223-406-1
 |  | [Molecular Formula] 
 C18H15PSe
 |  | [MDL Number] 
 MFCD00013477
 |  | [MOL File] 
 3878-44-2.mol
 |  | [Molecular Weight] 
 341.25
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 WHITE TO OFF-WHITE CRYSTALLINE POWDER
 |  | [Melting point ] 
 186-188 °C
 
 |  | [Boiling point ] 
 448.6±28.0 °C(Predicted)
 |  | [storage temp. ] 
 Store below +30°C.
 |  | [solubility ] 
 very sol dichloromethane; moderately sol on heating in acetonitrile, benzene, 1-butanol, ethanol,  methanol; insol ether, water
 |  | [form ] 
 solid
 |  | [color ] 
 White to Almost white
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 WHITE TO OFF-WHITE CRYSTALLINE POWDER
 |  | [Uses] 
 Triphenylphosphine Selenide is used for conversion of epoxides into alkenes.
 |  | [Preparation] 
 Triphenylphosphine Selenide is prepared from Triphenylphosphine and either Potassium Selenocyanate or elemental Selenium.
 |  | [Purification Methods] 
 Triphenylphosphine Selenide is purified by recrystallization from ethanol.
 |  | [Precautions] 
 Triphenylphosphine Selenide is toxic; use in a fume hood.
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 T,N
 |  | [Risk Statements ] 
 23/25-33-50/53
 |  | [Safety Statements ] 
 20/21-28-45-60-61
 |  | [RIDADR ] 
 UN 2811 6.1/PG 2
 
 |  | [WGK Germany ] 
 3
 
 |  | [RTECS ] 
 SZ2455000
 
 |  | [HazardClass ] 
 6.1(b)
 |  | [PackingGroup ] 
 III
 |  | [HS Code ] 
 29310099
 |  | [Toxicity] 
 rat,LD,oral,> 500mg/kg (500mg/kg),National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review.  Vol. 5, Pg. 39, 1953.
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