CAS number
CAS 85-86-9 Solvent Red 23 (SR23)/CI 26100
CAS 85-86-9 · EC 201-638-4
Where CAS 85-86-9 appears: every table entry that prints it among its identifiers, in the newest version of each act this record holds, and every recorded change to those entries. Many entries name a group of substances and print no number, so absence here is not absence from the law. Not legal advice.
Where it appears now
Cosmetics Regulation Annex II, Reference number 1353
Last changed in the version in force , by Regulation (EU) No 344/2013 and Regulation (EU) No 1197/2013, the acts that change names · Annex II on this site
| Reference number | Substance identification | ||
|---|---|---|---|
| Chemical name/INN | CAS number | EC number | |
| a | b | c | d |
| 1353 | 1-((4-Phenylazo)phenylazo)-2-naphthol (Solvent Red 23; CI 26100) when used as a substance in hair dye products | 85-86-9 | 201-638-4 |
REACH Annex XVII appendix 13, CAS No 85-86-9
Last changed in the version in force , by Regulation (EU) 2020/2081 and 3 others, the acts that change names · Annex XVII on this site
| Substance name | EC No | CAS No | Concentration limit (by weight) |
|---|---|---|---|
| Solvent Red 23 (SR23)/CI 26100 | 201-638-4 | 85-86-9 | 0,1 % |
Look up a number
Type a CAS or EC number, with or without its hyphens, or an Index No into the search box at the top of the page: it reads 50000 as CAS 50-00-0. Every number is also listed by act on the substances page.
Its history
· added · REACH Annex XVII appendix 13, CAS No 85-86-9
Recorded in the version in force , by Regulation (EU) 2020/2081 and 3 others, the acts that change names. The change on its version page
| Identifiers | Substance name | EC No | CAS No | Concentration limit (by weight) |
|---|---|---|---|---|
| CAS No 85-86-9CAS 85-86-9EC 201-638-4 | Solvent Red 23 (SR23)/CI 26100 | 201-638-4 | 85-86-9 | 0,1 % |
· added · Cosmetics Regulation Annex II, Reference number 1353
Recorded in the version in force , by Regulation (EU) No 344/2013 and Regulation (EU) No 1197/2013, the acts that change names. The change on its version page
| Identifiers | Reference number | Substance identification | ||
|---|---|---|---|---|
| Chemical name/INN | CAS number | EC number | ||
| a | b | c | d | |
| Reference number 1353CAS 85-86-9EC 201-638-4 | 1353 | 1-((4-Phenylazo)phenylazo)-2-naphthol (Solvent Red 23; CI 26100) when used as a substance in hair dye products | 85-86-9 | 201-638-4 |
Sources
- Cosmetics Regulation: every version the record holds; rows read from EUR-Lex consolidated version 02009R1223-20260518, in force 18 May 2026 (external, EUR-Lex)
- REACH: every version the record holds; rows read from EUR-Lex consolidated version 02006R1907-20260622, detected 11 September 2026 (external, EUR-Lex)