8.21141

Triethyl phosphate

for synthesis

• Synonym(s): Triethyl phosphate, Phosphoric acid triethyl ester, TEP
• Linear Formula: (C₂H₅O)₃PO
• CAS Number: 78-40-0
• Molecular Weight: 182.15
• MDL number: MFCD00009077
• UNSPSC Code: 12352108
• EC Index Number: 201-114-5

Properties

• vapor pressure: 0.1 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥99.0% (GC)
• form: liquid
• autoignition temp.: 480 °C
• potency: 1165 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 1.2-10 % (v/v)
• pH: 7 (20 °C in H₂O)
• bp: 215 °C/1013 hPa
• mp: -57 °C
• transition temp: flash point 130 °C
• solubility: 500 g/L (slow decomposition)
• density: 1.069 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C6H15O4P/c1-4-8-11(7,9-5-2)10-6-3/h4-6H2,1-3H3
• InChI key: DQWPFSLDHJDLRL-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.068 - 1.069
Identity (IR): passes test

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 - H319
• Precautionary Statements: P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point(F): 239.0 °F - closed cup
• Flash Point(C): 115 °C - closed cup