Tetraethyl pyrophosphate
[CAS# 107-49-3]

Identification

• Name: Tetraethyl pyrophosphate
• Synonyms: Pyrodust; TEP; TEP (phosphate); TEPP; Tetraethyl diphosphate; Tetrastigmine; Vapotone
• Molecular Formula: C₈H₂₀O₇P₂
• Molecular Weight: 290.19
• CAS Registry Number: 107-49-3
• EC Number: 203-495-3

Properties

• Solubility: Sparingly soluble (11 g/L) (25 ºC), Calc.^*
• Density: 1.901 g/cm³ (25 ºC)^**
• Melting point: 208-213 ºC (decomp)^***
• Boiling point: 200 ºC (0.3 Torr)^****
• Refractive index: 1.4270 (20 ºC)^*****
• Flash point: 125.6±39.1 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Rentsch, G.; Zeitschrift fuer Chemie 1961, V1, P25.

^*** Hall, S. A.; Industrial and Engineering Chemistry 1948, V40, P694-9.

^**** Fujisawa, Tamotsu; Bulletin of the Chemical Society of Japan 1983, V56(11), P3529-30.

^***** Nikonorov, K. V.; Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya 1981, (12), P2796-800.

Safety Data

• Hazard Symbols: GHS06;GHS09 Danger
• Hazard Statements: H310-H300-H400
• Safety Description: S36/37/39;S38;S45;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	1	H310
Acute toxicity	Acute Tox.	2	H300