Basic Violet 2

Basic Violet 2 (CI 42520) is restricted in EU for hair dye use with a 0.5% maximum concentration. Contains o-toluidine impurity (Category 1B carcinogen), but SCCS determined concentration would present no concern in hair dye formulations. Stable in hydrogen peroxide (98.9% recovery at 60 min). Listed under both Annex III (hair dyes) and Annex IV (colorants). Permitted in US but not approved as general FDA color additive. Intended use category must be confirmed. The EU classifies Basic Violet 2 as "restricted". Safety rating: MODERATE.

Basic Violet 2 EU regulatory status: restricted. Maximum allowed concentration: 0.5%. This is based on EU Regulation 1223/2009 and its amendments.

Basic Violet 2 functions as: Hair dyeing (non-oxidative and oxidative); colorant for brief skin contact. It is classified as a cosmetic ingredient in our database. CAS number: Verify independently — CI 42520 confirmed (commonly referenced as 3248-91-7).

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.