CAS number
CAS 68-11-1 thioglycolic acid
CAS 68-11-1 · EC 200-677-4 · Index No 607-090-00-6
Where CAS 68-11-1 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 607-090-00-6
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) | ||||||
| 607-090-00-6 | thioglycolic acid | 200-677-4 | 68-11-1 | Acute Tox. 3 * Acute Tox. 3 * Acute Tox. 3 * Skin Corr. 1B | H331 H311 H301 H314 | GHS06 GHS05 Dgr | H331 H311 H301 H314 | * | ||
CLP Annex VI section 3, table 2, Index No 607-090-00-6
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 |
|---|---|---|---|---|---|---|---|
| 607-090-00-6 | thioglycolic acid | 200-677-4 | 68-11-1 | T; R23/24/25 C; R34 | T R: 23/24/25-34 S: (1/2-)25-27-28-45 | T; R23/24/25: C ≥ 2 % Xn; R20/21/22: 0,2 % ≤ C < 2 % |
Cosmetics Regulation Annex III, Reference number 2a
Last changed in the version in force , by Regulation (EU) 2015/1190, the act that change names · Annex III on this site
| Reference number | Substance identification | Restrictions | Wording of conditions of use and warnings | |||||
|---|---|---|---|---|---|---|---|---|
| Chemical name/INN | Name of Common Ingredients Glossary | CAS number | EC number | Product type, body parts | Maximum concentration in ready for use preparation | Other | ||
| a | b | c | d | e | f | g | h | i |
| 2a | Thioglycolic acid and its salts | Thioglycolic acid | 68-11-1 | 200-677-4 | (a) Hair waving or straightening products | (a) (i) 8 % (ii) 11 % | (a) (i) General use ready for use pH 7 to 9,5 (ii) Professional use ready for use pH 7 to 9,5 | Conditions of use: (a) (b) (c) (d) Avoid contact with eyes Rinse eyes immediately if product comes into contact with them. (a) (c) (d) Wear suitable gloves Warnings to be printed on the label: (a)(i) (b) (c) Contains thioglycolate Follow the instructions Keep out of reach of children (a)(ii) (d) For professional use only Contains thioglycolate Follow the instructions |
| (b) Depilatories | (b) 5 % | (b) ready for use pH 7 to 12,7 | ||||||
| (c) Other hair rinse-off products | (c) 2 % | (c) ready for use pH 7 to 9,5 | ||||||
| (d) Products intended for eyelash waving | (d) 11 % The abovementioned percentages are calculated as thioglycolic acid | (d) For professional use ready for use pH 7 to 9,5 | ||||||
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 · Cosmetics Regulation Annex III, Reference number 2a
Recorded in the version in force , by Regulation (EU) 2015/1190, the act that change names. The change on its version page
| Identifiers | Version | Reference number | Substance identification | Restrictions | Wording of conditions of use and warnings | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical name/INN | Name of Common Ingredients Glossary | CAS number | EC number | Product type, body parts | Maximum concentration in ready for use preparation | Other | ||||
| a | b | c | d | e | f | g | h | i | ||
| Reference number 2aCAS 68-11-1EC 200-677-4 | Before | 2a | Thioglycolic acid and its salts | Thioglycolic acid | 68-11-1 | 200-677-4 | (a) Hair products | 8 % | General use ready for use pH 7 to 9,5 | Conditions of use:
(a) (b) (c)
Avoid contact with eyes
|
| ready for use pH 7 to | ||||||||||
| ready for use pH 7 to 9,5 | ||||||||||
| After | 2a | Thioglycolic acid and its salts | Thioglycolic acid | 68-11-1 | 200-677-4 | (a) Hair waving or straightening products | (a) (i) 8 %(ii) 11 % | (a) (i) General use ready for use pH 7 to 9,5(ii) Professional use ready for use pH 7 to 9,5 | Conditions of use: (a) (b) (c) (d) Avoid contact with eyes Rinse eyes immediately if product comes into contact with them. (a) (c) (d) Wear suitable gloves Warnings to be printed on the label: (a)(i) (b) (c) Contains thioglycolate Follow the instructions Keep out of reach of children (a)(ii) (d) For professional use onlyContains thioglycolate Follow the instructions | |
| (b) Depilatories | (b) 5 % | (b) ready for use pH 7 to 12,7 | ||||||||
| (c) Other hair rinse-off products | (c) 2 % | (c) ready for use pH 7 to 9,5 | ||||||||
| (d) Products intended for eyelash waving | (d) 11 % The abovementioned percentages are calculated as thioglycolic acid | (d) For professional use ready for use pH 7 to 9,5 | ||||||||
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)