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8.21198 EMD Millipore

Triphenylphosphine oxide

Triphenylphosphine oxide for synthesis. CAS 791-28-6, molar mass 278.29 g/mol., for synthesis

  • CAS Number 791-28-6

  • Linear Formula C₁₈H₁₅OP

  • Molecular Weight 278.29 g/mol

  •  EC Number 212-338-8

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Properties

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packaging   50 g in Plastic bottle (8211980050)
vapor pressure   <1 hPa (50 °C)
density   1.2 g/cm3 (20 °C)
flash point   180 °C
autoignition temp.   590 °C
mp   155 - 158 °C
bulk density   400 - 450 kg/m3
LD 50 oral   LD50 Rat 685 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (HPLC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 155 °C
  Melting range (upper value): ≤ 158 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2931 39 90
Hazard Statement(s) 
H302: Harmful if swallowed.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
RTECS 
SZ1676000
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 2 water endangering
Disposal 
3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Categories of danger 
harmful, dangerous for the environment
R Phrase 
R 22-52/53
Harmful if swallowed.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 61
Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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