CheckVegan

Is Selenious Acid vegan?

Selenious Acid

Vegan Vegan
Vegetarian Vegetarian

Selenious acid (selenous acid) is an inorganic compound of selenium, formed by hydration of selenium dioxide, used industrially and in some cosmetic and pharmaceutical formulations as an antioxidant/mineral source.

Also known as Hydrogen Selenite, Selenium dioxide, monohydrated
INCI name Selenious Acid
CAS number 7783-00-8
EC number 231-974-7
CosIng ID 82094
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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