8.21197

Triphenyl phosphate

for synthesis

• Synonym(s): Triphenyl phosphate, Phosphoric acid triphenyl ester
• Linear Formula: (C₆H₅O)₃PO
• CAS Number: 115-86-6
• Molecular Weight: 326.28
• MDL number: MFCD00003031
• UNSPSC Code: 12352108
• EC Index Number: 204-112-2
• NACRES: NA.22

Properties

• vapor pressure: <0.01 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥99.0% (GC)
• form: solid
• autoignition temp.: >500 °C
• potency: 3500 mg/kg LD₅₀, oral (Rat); >7900 mg/kg LD₅₀, skin (Rabbit)
• bp: 220 °C/5 hPa
• mp: 48-50 °C
• transition temp: flash point >230 °C
• solubility: 0.0019 g/L
• bulk density: 650 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C18H15O4P/c19-23(20-16-10-4-1-5-11-16,21-17-12-6-2-7-13-17)22-18-14-8-3-9-15-18/h1-15H
• InChI key: XZZNDPSIHUTMOC-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 48 °C
Melting range (upper value): ≤ 50 °C
Identity (IR): passes test

Safety Information

• Pictograms: GHS09
• Signal Word: Warning
• Hazard Statements: H410
• Precautionary Statements: P273 - P391 - P501
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): 428.0 °F - closed cup
• Flash Point(C): 220 °C - closed cup