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Is Bis-(t-Butyl Benzoxazolyl) Thiophene vegan?

Bis-(t-Butyl Benzoxazolyl) Thiophene

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Bis-(t-Butyl Benzoxazolyl) Thiophene is a synthetic organic compound used as a UV-absorbing brightener, structurally based on a thiophene core substituted with tert-butyl benzoxazolyl groups.

INCI name Bis-(t-Butyl Benzoxazolyl) Thiophene
CAS number 7128-64-5
EC number 230-426-4
CosIng ID 102893
Last reviewed 9 July 2026

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

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