# ACID VIOLET 9

URL: https://app.greenveil.ai/ingredients/ingredient_source_ref_annex_ref_ii_1335
Categories: beauty, cleaning, industrial
Functions: Colorant, Hair dyeing, Colourant
Identifier: DTXSID3044968

> ACID VIOLET 9: Used in cosmetics as a colourant and a hair dye. Acid Violet 9 is classed chemically as a xanthene color. Greenveil chemical-concern score: 20/100 — Minor concern based on regulatory listings.. Compiled from 7 published data sources.

## Safety assessment

- Chemical concern score: 20/100 — Minor concern based on regulatory listings.
- Confidence in this assessment: High
- Is it a concern? Minor concern: no hazard classifications on record. It is listed for cosmetic use in the EU.
- Rationale: Hydrogen 9-(2-carboxylatophenyl)-3-(2-methylanilino)-6-(2-methyl-4-sulphoanilino)xanthylium, monosodium salt is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).

## Regulatory status

- EU: Active — Acid Violet 9 is classed chemically as a xanthene color. It conforms to the formula: Restriction: II/1335 (when used as a substance in hair dye products)
- EU: Active — CI 45190 is classed chemically as a xanthene colour. It conforms to the formula: Restriction: IV/72 (CI 45190)
II/1335 (Acid Violet 9; CI 45190: when used as a substance in hair dye products)
- EU: Active — Cosmetics Regulation annex IV / ref 72.
- EU: allowed_listed — Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products. Maximum concentration: Rinse-off products
- US: commercial use observed — EPA CPDat observed this chemical in 3 composition records across product categories including Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Dye.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/30476
- EU CosIng Cosmetics Regulation Annexes (updated 2020-08-14): https://ec.europa.eu/growth/tools-databases/cosing/reference/annexes/list/IV
- EPA Chemical and Products Database (updated January 7, 2008): https://www.zep.com/product/zepcorporate/zepopine
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:824V98947A
- PubChem Live Enrichment (updated 2026-05-17): https://pubchem.ncbi.nlm.nih.gov/compound/76968456

_Assessed by Greenveil._