Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
CAS 81-77-6 · 25/100 · High conf.
Colorant · Dye · Pigment
Concern score
6,15-Dihydroanthrazine-5,9,14,18-tetrone is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).
The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.
No restrictions found. Vat Blue 4 appears in these published regulatory listings.
No graded sources yet for Vat Blue 4. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
Prevalence of Vat Blue 4 in our catalog (epa_cpdat).
Products
11
Brands
6
Typical roles