CAS number
CAS 3864-99-1 2,4-di-tert-butyl-6-(5-chlorobenzotriazo…
CAS 3864-99-1 · EC 223-383-8
Where CAS 3864-99-1 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
PIC Regulation Annex I, the entry for 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)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 |
|---|---|---|---|---|---|---|
| 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327) | 3864-99-1 | 223-383-8 | ex29339950 | i(1)-i(2) | sr-sr |
PIC Regulation Annex I, table 2, the entry for 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)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 |
|---|---|---|---|---|---|
| 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327) | 3864-99-1 | 223-383-8 | ex29339950 | i | sr |
REACH Annex XIV, Entry 52
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 | |||||
| 52. | 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327) EC No: 223-383-8 CAS No: 3864-99-1 | 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 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)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 |
|---|---|---|---|---|---|---|---|
| 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327)CAS 3864-99-1EC 223-383-8 | 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327) | 3864-99-1 | 223-383-8 | ex29339950 | i(1)-i(2) | sr-sr |
· added · PIC Regulation Annex I, table 2, the entry for 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)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 |
|---|---|---|---|---|---|---|
| 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327)CAS 3864-99-1EC 223-383-8 | 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327) | 3864-99-1 | 223-383-8 | ex29339950 | i | sr |
· added · REACH Annex XIV, Entry 52
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 52CAS 3864-99-1EC 223-383-8 | 52. | 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327) EC No: 223-383-8 CAS No: 3864-99-1 | 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)