CAS number
CAS 7782-49-2 selenium
CAS 7782-49-2 · EC 231-957-4 · Index No 034-001-00-2
Where CAS 7782-49-2 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 034-001-00-2
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) | ||||||
| 034-001-00-2 | selenium | 231-957-4 | 7782-49-2 | Acute Tox. 3 * Acute Tox. 3 * STOT RE 2 * Aquatic Chronic 4 | H331 H301 H373 ** H413 | GHS06 GHS08 Dgr | H331 H301 H373 ** H413 | |||
CLP Annex VI section 3, table 2, Index No 034-001-00-2
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 |
|---|---|---|---|---|---|---|---|
| 034-001-00-2 | selenium | 231-957-4 | 7782-49-2 | T; R23/25 R33 R53 | T R: 23/25-33-53 S: (1/2-)20/21-28-45-61 |
Cosmetics Regulation Annex II, Reference number 297
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 |
| 297 | Selenium and its compounds with the exception of selenium disulphide under the conditions set out under reference No 49 in Annex III | 7782-49-2 | 231-957-4 |
REACH Annex XVII appendix 13, CAS No 7782-49-2
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) |
|---|---|---|---|
| Selenium | 231-957-4 | 7782-49-2 | 0,0002 % |
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 7782-49-2
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 7782-49-2CAS 7782-49-2EC 231-957-4 | Selenium | 231-957-4 | 7782-49-2 | 0,0002 % |
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)