CheckVegan

Is Tetraethyl Pyrophosphate vegetarian?

Tetraethyl Pyrophosphate

Vegetarian Vegetarian
Vegan Vegan

Tetraethyl pyrophosphate (TEPP) is a synthetic organophosphate compound that acts as an irreversible acetylcholinesterase inhibitor; it has been used historically as an insecticide and is highly toxic to humans.

Also known as TEPP, TEPP [ISO]
INCI name Tetraethyl Pyrophosphate
CAS number 107-49-3
EC number 203-495-3
CosIng ID 29693
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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