CheckVegan

Is Indanthrene Blue RS vegetarian?

Indanthrene Blue RS

Vegetarian Vegetarian
Vegan Vegan

Indanthrene Blue RS is a synthetic anthraquinone vat dye used as a blue food colourant, listed as INS 130. It is not currently approved as a food additive in the EU.

Also known as 6,15-Dihydroanthrazine-5,9,14,18-tetrone, Indanthrene, Indanthrene Blue, Vat Blue 4
INCI name Indanthrene Blue RS
E number E130
INS number 130
CAS number 81-77-6
EC number 201-375-5
CI number CI 69800
CosIng ID 32789
Last reviewed 14 July 2026

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

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