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Is Nonoxynol-9 Phosphate vegetarian?

Nonoxynol-9 Phosphate

Vegetarian Vegetarian
Vegan Vegan

Nonoxynol-9 Phosphate is a complex mixture of phosphoric acid esters of Nonoxynol-9, used as a surfactant and emulsifier in cosmetic and cleaning products.

Also known as 66197-78-2
INCI name Nonoxynol-9 Phosphate
CAS number 51609-41-7
EC number 266-231-6
CosIng ID 105221
Last reviewed 9 July 2026

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

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