CAS number
CAS 77-78-1 dimethyl sulphate
CAS 77-78-1 · EC 201-058-1 · Index No 016-023-00-4
Where CAS 77-78-1 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 016-023-00-4
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) | ||||||
| 016-023-00-4 | dimethyl sulphate | 201-058-1 | 77-78-1 | Carc. 1B Muta. 2 Acute Tox. 2 * Acute Tox. 3 * Skin Corr. 1B Skin Sens. 1 | H350 H341 H330 H301 H314 H317 | GHS06 GHS08 GHS05 Dgr | H350 H341 H330 H301 H314 H317 | Carc. 1B; H350: C ≥ 0,01 % Muta. 2 H341: C ≥ 0,01 % STOT SE 3; H335: C ≥ 5 % | ||
CLP Annex VI section 3, table 2, Index No 016-023-00-4
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 |
|---|---|---|---|---|---|---|---|
| 016-023-00-4 | dimethyl sulphate | 201-058-1 | 77-78-1 | Carc. Cat. 2; R45 Muta. Cat. 3; R68 T+; R26 T; R25 C; R34 R43 | T+ R: 45-25-26-34-43-68 S: 53-45 | Car. Cat. 2; R45: C ≥ 0,01 % Muta. Cat. 3, R68: C ≥ 0,01 % C; R34: C ≥ 10 % Xi; R36/37/38: 5 % ≤ C < 10 % | E |
Cosmetics Regulation Annex II, Reference number 750
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 |
| 750 | Dimethyl sulphate | 77-78-1 | 201-058-1 |
REACH Annex XVII appendix 2, Index No 016-023-00-4
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 |
|---|---|---|---|---|
| Dimethyl sulphate | 016-023-00-4 | 201-058-1 | 77-78-1 | E |
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 016-023-00-4
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 016-023-00-4CAS 77-78-1EC 201-058-1 | Before | 016-023-00-4 | dimethyl sulphate | 201-058-1 | 77-78-1 | Carc. 1B Muta. 2 Acute Tox. 2 * Acute Tox. 3 * Skin Corr. 1B Skin Sens. 1 | H350 H341 H330 H301 H314 H317 | GHS06 GHS08 GHS05 Dgr | H350 H341 H330 H301 H314 H317 | Carc. 1B; H350: C ≥ 0,01 %
Muta. | ||
| After | 016-023-00-4 | dimethyl sulphate | 201-058-1 | 77-78-1 | Carc. 1B Muta. 2 Acute Tox. 2 * Acute Tox. 3 * Skin Corr. 1B Skin Sens. 1 | H350 H341 H330 H301 H314 H317 | GHS06 GHS08 GHS05 Dgr | H350 H341 H330 H301 H314 H317 | Carc. 1B; H350: C ≥ 0,01 % Muta. 2 H341: C ≥ 0,01 % STOT SE 3; H335: C ≥ 5 % | |||
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)