EC number
EC 401-500-5 (methylenebis(4,1-phenylenazo(1-(3-(dime…
CAS 118658-99-4 · EC 401-500-5 · Index No 611-099-00-0
Where EC 401-500-5 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
CLP Annex VI section 3, Index No 611-099-00-0
Last changed in the version in force , by Regulation (EU) 2018/669 and 2 others, the acts that change names · Annex VI on this site
| Index No | Chemical name | EC No | CAS No | Classification | Labelling | Specific Conc. Limits, M-factors and ATEs | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Hazard Class and Category Code(s) | Hazard statement Code(s) | Pictogram, Signal Word Code(s) | Hazard statement Code(s) | Suppl. Hazard statement Code(s) | ||||||
| 611-099-00-0 | (methylenebis(4,1-phenylenazo(1-(3-(dimethylamino)propyl)-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-5,3-diyl)))-1,1'dipyridinium dichloride dihydrochloride | 401-500-5 | 118658-99-4 | Carc. 1B Aquatic Chronic 2 | H350 H411 | GHS08 GHS09 Dgr | H350 H411 | |||
CLP Annex VI section 3, table 2, Index No 611-099-00-0
No change to this entry since the first version the record holds, in force 1 December 2010. · Annex VI on this site
| Index No | International Chemical Identification | EC No | CAS No | Classification | Labelling | Concentration Limits | Notes |
|---|---|---|---|---|---|---|---|
| 611-099-00-0 | (methylenebis(4,1-phenylenazo(1-(3-(dimethylamino)propyl)-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-5,3-diyl)))-1,1'-dipyridinium dichloride dihydrochloride | 401-500-5 | 118658-99-4 | Carc. Cat. 2; R45 N; R51-53 | T; N R: 45-51/53 S: 53-45-61 |
Cosmetics Regulation Annex II, Reference number 1155
No change to this entry since the first version the record holds, in force 11 July 2013. · Annex II on this site
| Reference number | Substance identification | ||
|---|---|---|---|
| Chemical name/INN | CAS number | EC number | |
| a | b | c | d |
| 1155 | (Methylenebis(4,1-phenylenazo(1-(3-(dimethylamino)propyl)-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-5,3-diyl)))-1,1′-dipyridinium dichloride dihydrochloride | 401-500-5 | |
REACH Annex XVII appendix 2, Index No 611-099-00-0
No change to this entry since the first version the record holds, in force 12 October 2008. · Annex XVII on this site
| Substances | Index No | EC No | CAS No | Notes |
|---|---|---|---|---|
| (Methylenebis(4,1-phenylenazo(1-(3-(dimethylamino)propyl)-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-5,3-diyl)))-1,1'-dipyridinium dichloride dihydrochloride | 611-099-00-0 | 401-500-5 | — |
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
· amended · CLP Annex VI section 3, Index No 611-099-00-0
Recorded in the version in force , by Regulation (EU) 2018/669 and 2 others, the acts that change names. The change on its version page
| Identifiers | Version | Index No | Chemical name | EC No | CAS No | Classification | Labelling | Specific Conc. Limits, M-factors | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hazard Class and Category Code(s) | Hazard statement Code(s) | Pictogram, Signal Word Code(s) | Hazard statement Code(s) | Suppl. Hazard statement Code(s) | ||||||||
| Index No 611-099-00-0CAS 118658-99-4EC 401-500-5 | Before | 611-099-00-0 | 401-500-5 | 118658-99-4 | Carc. 1B Aquatic Chronic 2 | H350 H411 | GHS08 GHS09 Dgr | H350 H411 | ||||
| After | 611-099-00-0 | (methylenebis(4,1-phenylenazo(1-(3-(dimethylamino)propyl)-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-5,3-diyl)))-1,1'dipyridinium dichloride dihydrochloride | 401-500-5 | 118658-99-4 | Carc. 1B Aquatic Chronic 2 | H350 H411 | GHS08 GHS09 Dgr | H350 H411 | ||||
Sources
- CLP: every version the record holds; rows read from EUR-Lex consolidated version 02008R1272-20270101, in force 1 January 2027 (external, EUR-Lex)
- 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)