Triphenylphosphine oxide CAS NO.791-28-6

Triphenylphosphine oxide Basic information

Product Name:    Triphenylphosphine oxide
Synonyms:    (C6H5)3P=O;Trisphenylphosphine oxide;Orlistat USP RC C;Orlistat Related Compound C (25 mg) (Triphenylphosphine oxide);Triphenylphosphine oxide(TPPO);Triphenylphosphine oxide, 99% 100GR;Orlistat USP Related Compound C (Triphenylphosphine Oxide);Ph3PO
CAS:    791-28-6
MF:    C18H15OP
MW:    278.28
EINECS:    212-338-8
Product Categories:    
Mol File:    791-28-6.mol
 

Triphenylphosphine oxide Chemical Properties
Melting point     150-157 °C(lit.)
Boiling point     360 °C
density     1,212 g/cm3
vapor pressure     <1 hPa (50 °C)
Fp     180 °C
storage temp.     Store at RT.
solubility     methanol: 25 mg/mL, clear
form     Crystalline Powder or Flakes
color     White to pink-brown
Specific Gravity    1.212
Water Solubility     slightly soluble
Hydrolytic Sensitivity    4: no reaction with water under neutral conditions
BRN     745854
CAS DataBase Reference    791-28-6(CAS DataBase Reference)
NIST Chemistry Reference    (C6H5)3PO(791-28-6)
EPA Substance Registry System    Triphenylphosphine oxide (791-28-6)

Safety Information
Hazard Codes     Xn,Xi
Risk Statements     22-36/37/38-52/53
Safety Statements     26-61-36
RIDADR     3077
WGK Germany     2
RTECS     SZ1676000
Autoignition Temperature    590 °C
TSCA     Yes
HazardClass     9
PackingGroup     III
HS Code     29310095
Toxicity    LD50 orally in Rabbit: 685 mg/kg