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Key Documents

8.08270

Sigma-Aldrich

Triphenylphosphine

for synthesis

Synonym(s):

Triphenylphosphine, Phosphorus triphenyl

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About This Item

Linear Formula:
(C6H5)3P
CAS Number:
Molecular Weight:
262.29
MDL number:
UNSPSC Code:
12352128
EC Index Number:
210-036-0
NACRES:
NA.22

vapor pressure

0.0000012 hPa ( 20 °C)

Quality Level

assay

≥99.0% (GC)

form

solid

autoignition temp.

425 °C

potency

700 mg/kg LD50, oral (Rat)
>4000 mg/kg LD50, skin (Rabbit)

reaction suitability

reagent type: reductant

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

storage temp.

2-30°C

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

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

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Sens. 1B - STOT RE 1 Inhalation

Storage Class

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 2

flash_point_f

356.0 °F - closed cup

flash_point_c

180 °C - closed cup


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