Annex of Approved Active Substances for Plant Protection Products

This list contains the active substances approved under Regulation 1107/2009/EC, as listed in Regulation 540/2011/EU. The list is separated into five parts: Part A (deemed to have been approved under 1107/2009/EC); Part B (approved under 1107/2009/EC); Part C (basic substances); Part D (low-risk active substances); and Part E (candidates for substitution). Entries include common & IUPAC names, identifiers (e.g., CAS, CIPAC), purity information, and approval and approval expiration dates.

Calcium Hydroxide

EC / List no: 215-137-3 CAS no: 1305-62-0
Ref No.
920 g/kg
Date of approval
1 July 2015
C Basic Substances
1 Please refer to the original source document ( and subsequent amendments for applicable additional specific provisions.

145 Purity: Food grade. The following impurities are of toxicological concern and must not exceed the levels below (expressed in mg/kg on dry matter): Barium 300 mg/kg, Fluoride 50 mg/kg, Arsenic 3 mg/kg, Lead 2 mg/kg.

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