8.08270

Triphenylphosphine

for synthesis

• Synonym(s): Triphenylphosphine, Phosphorus triphenyl
• Linear Formula: (C₆H₅)₃P
• CAS Number: 603-35-0
• Molecular Weight: 262.29
• MDL number: MFCD00003043
• UNSPSC Code: 12352128
• EC Index Number: 210-036-0
• NACRES: NA.22

Properties

• vapor pressure: 0.0000012 hPa ( 20 °C)
• Quality Level: 200
• 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

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

Safety Information

• Pictograms: GHS05,GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H302 - H317 - H318 - H372
• Precautionary Statements: P260 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Skin Sens. 1B - STOT RE 1 Inhalation
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 2
• Flash Point(F): 356.0 °F - closed cup
• Flash Point(C): 180 °C - closed cup