Substance group
What counts as Hydroxides (E 524–528)?
2 markets define Hydroxides (E 524–528), and they don't all agree. Read each definition below. You tell us if your product contains it; we never guess from its name.
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Group
Definitions
From the consolidated text: E 524-528 · Hydroxides · 70 000 · (*)
Annex II, line 3288 · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Annex II, line 3288(opens in a new tab)From the official list: E 524-528 · Hydroxides · 70 000 · (*)
Annex II, line 1921 · fetched 2026-10-10
The National Archives (legislation.gov.uk): Annex II, line 1921(opens in a new tab)- Definition
- Additives named by the Part E cell "E 524-528" (Hydroxides); members are the Part B additives in that range
- Listed members
- Sodium hydroxide, Potassium hydroxide, Calcium hydroxide, Ammonium hydroxide, Magnesium hydroxide
- Source
From the consolidated text: E 524-528 · Hydroxides · 70 000 · (*)
Annex II, line 3288 · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Annex II, line 3288(opens in a new tab)
- Definition
- Additives named by the Part E cell "E 524-528" (Hydroxides); members are the Part B additives in that range
- Listed members
- Sodium hydroxide, Potassium hydroxide, Calcium hydroxide, Ammonium hydroxide, Magnesium hydroxide
- Source
From the official list: E 524-528 · Hydroxides · 70 000 · (*)
Annex II, line 1921 · fetched 2026-10-10
The National Archives (legislation.gov.uk): Annex II, line 1921(opens in a new tab)
Rules
Rules that use these definitions
2 rules.
Limit 70000 mg/kg (content basis)
Consolidated text (not the authentic legal edition), current to 18 Aug 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02008R1333-20260818 from the Publications Office, the latest when read.
- EU food category: Cocoa and chocolate products as covered by Directive 2000/36/EC [05.1]
Depends on: eu food category code
In force since 20 Jan 2010
Applies to products placed on the market on or after 20 Jan 2010
Art. 35: applies from 20 January 2010; Annex II as consolidated 2026-08-18, amendment dates of single rows not tracked.
From the consolidated text: E 524-528 · Hydroxides · 70 000 · (*)
Annex II rows, Part E, category 05.1; row: E 524-528 Hydroxides · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Regulation (EC) No 1333/2008 (consolidated 2026-08-18)(opens in a new tab)Limit 70000 mg/kg (content basis)
Official text, current to 28 Jun 2024. legislation.gov.uk point-in-time version 2024-06-28 of Annex II, which the FSA register cites as the terms of authorisation (Annex II was omitted from the revised text from 2025-04-01).
- EU food category: Cocoa and chocolate products as covered by Directive 2000/36/EC [05.1]
Depends on: eu food category code
In force since 20 Jan 2010
Applies to products placed on the market on or after 20 Jan 2010
Applies in GB from 20 January 2010 (retained Art. 35); the Annex text is the version in force on 2024-06-28, the last before Annex II was omitted from the revised legislation on 1 April 2025 (S.I. 2025/361); the FSA register keeps these terms of authorisation. Amendment dates of single rows not tracked.
From the official list: E 524-528 · Hydroxides · 70 000 · (*)
Annex rows, Part E, category 05.1; row: E 524-528 Hydroxides · fetched 2026-10-10
The National Archives (legislation.gov.uk): Regulation (EC) No 1333/2008 as retained in GB, Annex II (domestic list) as in force on 2024-06-28(opens in a new tab)- LimitEUHydroxides (E 524–528) as defined in European Union
Limit 70000 mg/kg (content basis)
Consolidated text (not the authentic legal edition), current to 18 Aug 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02008R1333-20260818 from the Publications Office, the latest when read.
- Applies when
- EU food category: Cocoa and chocolate products as covered by Directive 2000/36/EC [05.1]
Depends on: eu food category code
- Effective
In force since 20 Jan 2010
Applies to products placed on the market on or after 20 Jan 2010
Art. 35: applies from 20 January 2010; Annex II as consolidated 2026-08-18, amendment dates of single rows not tracked.
- Source
From the consolidated text: E 524-528 · Hydroxides · 70 000 · (*)
Annex II rows, Part E, category 05.1; row: E 524-528 Hydroxides · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Regulation (EC) No 1333/2008 (consolidated 2026-08-18)(opens in a new tab)
- LimitGBHydroxides (E 524–528) as defined in Great Britain (England, Scotland, Wales)
Limit 70000 mg/kg (content basis)
Official text, current to 28 Jun 2024. legislation.gov.uk point-in-time version 2024-06-28 of Annex II, which the FSA register cites as the terms of authorisation (Annex II was omitted from the revised text from 2025-04-01).
- Applies when
- EU food category: Cocoa and chocolate products as covered by Directive 2000/36/EC [05.1]
Depends on: eu food category code
- Effective
In force since 20 Jan 2010
Applies to products placed on the market on or after 20 Jan 2010
Applies in GB from 20 January 2010 (retained Art. 35); the Annex text is the version in force on 2024-06-28, the last before Annex II was omitted from the revised legislation on 1 April 2025 (S.I. 2025/361); the FSA register keeps these terms of authorisation. Amendment dates of single rows not tracked.
- Source
From the official list: E 524-528 · Hydroxides · 70 000 · (*)
Annex rows, Part E, category 05.1; row: E 524-528 Hydroxides · fetched 2026-10-10
The National Archives (legislation.gov.uk): Regulation (EC) No 1333/2008 as retained in GB, Annex II (domestic list) as in force on 2024-06-28(opens in a new tab)
See also
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