Skip to content
Annex II Entry 1353 13/08/2020

1-((4-Phenylazo)phenylazo)-2-naphthol (Solvent Red 23; CI 26100) when used as a substance in hair dye products

Key data

Annex
Entry number
1353

Source and verification note

CosIng Checker is an independent reference website built from publicly available European Commission cosmetic ingredient materials, including Annex II–VI datasets.

Use these pages for research, discovery and comparison, but verify critical regulatory decisions against the official source text and current law.

Record details

Chemical name

1-((4-Phenylazo)phenylazo)-2-naphthol (Solvent Red 23; CI 26100) when used as a substance in hair dye products

Chemical / IUPAC name

1-((4-Phenylazo)phenylazo)-2-naphthol (Solvent Red 23; CI 26100) when used as a substance in hair dye products

Regulatory information

Regulation

(EC) 2013/344

SCCS opinions

  • Opinion on CI 26100 (Solvent Red 23 not defended as hair dye)

Identified ingredients

  • CI 26100
  • SOLVENT RED 23

Direct matches are limited for this record, so nearby entries from Annex II are shown as well.

About this record

This page provides a structured view of a cosmetic ingredient record from the EU cosmetic ingredient reference database.

Use the annex link, CAS number, EC number and related records to continue exploring restrictions, warnings, allowed uses and associated reference data.