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Is Sodium Metaphosphate vegetarian?

Sodium Metaphosphate

Vegetarian Vegetarian
Vegan Vegan

Sodium Metaphosphate is a sodium salt of metaphosphoric acid, typically a mixture of polymeric sodium phosphates, used as a water softener, buffering agent, and cosmetic ingredient.

Also known as 256-779-4, Sodium Polymetaphosphate
INCI name Sodium Metaphosphate
CAS number 50813-16-6
EC number 233-782-9
CosIng ID 79773
Last reviewed 9 July 2026

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

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