CAS number
CAS 74-90-8 hydrogen cyanide
CAS 74-90-8 · EC 200-821-6 · Index No 006-006-00-X · Index No 006-006-01-7
Where CAS 74-90-8 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 006-006-00-X
No change to this entry since the first version the record holds, in force 1 December 2010. · 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) | ||||||
| 006-006-00-X | hydrogen cyanide; hydrocyanic acid | 200-821-6 | 74-90-8 | Flam. Liq. 1 Acute Tox. 2 * Aquatic Acute 1 Aquatic Chronic 1 | H224 H330 H400 H410 | GHS02 GHS06 GHS09 Dgr | H224 H330 H410 | |||
CLP Annex VI section 3, Index No 006-006-01-7
No change to this entry since the first version the record holds, in force 1 December 2010. · 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) | ||||||
| 006-006-01-7 | hydrogen cyanide … %; hydrocyanic acid … % | 200-821-6 | 74-90-8 | Acute Tox. 2 * Acute Tox. 1 Acute Tox. 2 * Aquatic Acute 1 Aquatic Chronic 1 | H330 H310 H300 H400 H410 | GHS06 GHS09 Dgr | H330 H310 H300 H410 | B | ||
CLP Annex VI section 3, table 2, Index No 006-006-00-X
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 |
|---|---|---|---|---|---|---|---|
| 006-006-00-X | hydrogen cyanide; hydrocyanic acid | 200-821-6 | 74-90-8 | F+; R12 T+; R26 N; R50-53 | F+; T+; N R: 12-26-50/53 S: (1/2-)7/9-16-36/37-38-45-60-61 |
CLP Annex VI section 3, table 2, Index No 006-006-01-7
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 |
|---|---|---|---|---|---|---|---|
| 006-006-01-7 | hydrogen cyanide ...%; hydrocyanic acid ...% | 200-821-6 | 74-90-8 | T+; R26/27/28 N; R50-53 | T+; N R: 26/27/28-50/53 S: (1/2-)7/9-36/37-38-45-60-61 | B |
Cosmetics Regulation Annex II, Reference number 111
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 |
| 111 | Hydrogen cyanide and its salts | 74-90-8 | 200-821-6 |
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
No change to this entry since the first version the record holds, in force 1 December 2010.
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)