CAS number
CAS 7440-38-2 arsenic
CAS 7440-38-2 · EC 231-148-6 · Index No 033-001-00-X
Where CAS 7440-38-2 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 033-001-00-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) | ||||||
| 033-001-00-X | arsenic | 231-148-6 | 7440-38-2 | Acute Tox. 3 * Acute Tox. 3 * Aquatic Acute 1 Aquatic Chronic 1 | H331 H301 H400 H410 | GHS06 GHS09 Dgr | H331 H301 H410 | |||
CLP Annex VI section 3, table 2, Index No 033-001-00-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 |
|---|---|---|---|---|---|---|---|
| 033-001-00-X | arsenic | 231-148-6 | 7440-38-2 | T; R23/25 N; R50-53 | T; N R: 23/25-50/53 S: (1/2-)20/21-28-45-60-61 |
Cosmetics Regulation Annex II, Reference number 43
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 |
| 43 | Arsenic and its compounds | 7440-38-2 | 231-148-6 |
REACH Annex XVII appendix 13, CAS No 7440-38-2
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) |
|---|---|---|---|
| Arsenic | 231-148-6 | 7440-38-2 | 0,00005 % |
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 7440-38-2
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 7440-38-2CAS 7440-38-2EC 231-148-6 | Arsenic | 231-148-6 | 7440-38-2 | 0,00005 % |
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)