CAS number
CAS 36437-37-3 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-…
CAS 36437-37-3 · EC 253-037-1
Where CAS 36437-37-3 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
PIC Regulation Annex I, the entry for 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol…
Last changed in the version in force , by Regulation (EU) 2026/1278, the act that change names · Annex I on this site
| Chemical | CAS No | EC No | CN code | Subcategory | Use limitation | Countries for which no notification is required |
|---|---|---|---|---|---|---|
| 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350) | 36437-37-3 | 253-037-1 | ex29339980 | i(1)-i(2) | sr-sr |
PIC Regulation Annex I, table 2, the entry for 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol…
Last changed in the version in force , by Regulation (EU) 2026/1278, the act that change names · Annex I on this site
| Chemical | CAS No | EC No | CN code | Category | Use limitation |
|---|---|---|---|---|---|
| 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350) | 36437-37-3 | 253-037-1 | ex29339980 | i | sr |
REACH Annex XIV, Entry 53
Last changed in the version in force , by Regulation (EU) 2020/171, the act that change names · Annex XIV on this site
| Entry Nr | Substance | Intrinsic property(ies) referred to in Article 57 | Transitional arrangements | Exempted (categories of) uses | Review periods | |
|---|---|---|---|---|---|---|
| Latest application date | Sunset date | |||||
| 53. | 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350) EC No: 253-037-1 CAS No: 36437-37-3 | vPvB | 27 May 2022 | 27 November 2023 | — | — |
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 · PIC Regulation Annex I, the entry for 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol…
Recorded in the version in force , by Regulation (EU) 2026/1278, the act that change names. The change on its version page
| Identifiers | Chemical | CAS No | EC No | CN code | Subcategory | Use limitation | Countries for which no notification is required |
|---|---|---|---|---|---|---|---|
| 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350)CAS 36437-37-3EC 253-037-1 | 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350) | 36437-37-3 | 253-037-1 | ex29339980 | i(1)-i(2) | sr-sr |
· added · PIC Regulation Annex I, table 2, the entry for 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol…
Recorded in the version in force , by Regulation (EU) 2026/1278, the act that change names. The change on its version page
| Identifiers | Chemical | CAS No | EC No | CN code | Category | Use limitation |
|---|---|---|---|---|---|---|
| 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350)CAS 36437-37-3EC 253-037-1 | 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350) | 36437-37-3 | 253-037-1 | ex29339980 | i | sr |
· added · REACH Annex XIV, Entry 53
Recorded in the version in force , by Regulation (EU) 2020/171, the act that change names. The change on its version page
| Identifiers | Entry Nr | Substance | Intrinsic property(ies) referred to in Article 57 | Transitional arrangements | Exempted (categories of) uses | Review periods | |
|---|---|---|---|---|---|---|---|
| Latest application date | Sunset date | ||||||
| Entry 53CAS 36437-37-3EC 253-037-1 | 53. | 2-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350) EC No: 253-037-1 CAS No: 36437-37-3 | vPvB | 27 May 2022 | 27 November 2023 | — | — |
Sources
- PIC Regulation: every version the record holds; rows read from EUR-Lex consolidated version 02012R0649-20261001, in force 1 October 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)