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8.08270 Sigma-Aldrich

Triphenylphosphine

for synthesis

Synonym: Phosphorus triphenyl, Triphenylphosphine

  • CAS Number 603-35-0

  • Linear Formula (C6H5)3P

  • Molecular Weight 262.29

  •  MDL number MFCD00003043

  •  EC Index Number 210-036-0

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Properties

Quality Level   200
vapor pressure   0.0000012 hPa ( 20 °C)
assay   ≥99.0% (GC)
autoignition temp.   425 °C
potency   700 mg/kg LD50, oral (Rat)
  >4000 mg/kg LD50, skin (Rabbit)
bp   377 °C/1013 hPa
mp   78.5-81.5 °C
transition temp   flash point 182 °C
solubility   <0.0001 g/L
density   1.194 g/cm3 at 20 °C
bulk density   500‑600 kg/m3
InChI   1S/C18H15P/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H
InChI key   RIOQSEWOXXDEQQ-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 79 °C
Melting range (upper value): ≤ 82 °C
Identity (IR): passes test

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