# Commission Implementing Regulation (EU) 2016/1933 of 4 November 2016 approving calcium magnesium tetrahydroxide (hydrated dolomitic lime) as an existing active substance for use in biocidal products of product-types 2 and 3 (Text with EEA relevance), Annex

Extent: E+W+S+N.I.

The purity indicated in this column was the minimum degree of purity of the active substance evaluated in accordance with Article 89(1) of Regulation (EU) No 528/2012. The active substance in the product placed on the market can be of equal or different purity if it has been proven to be technically equivalent to the evaluated active substance.
Common Name
IUPAC NameIdentification Numbers
Minimum degree of purity of the active substance
Date of approval
Expiry date of approval
Product type
Specific conditions
Calcium magnesium tetrahydroxide (hydrated dolomitic lime)
IUPAC Name:
Calcium magnesium tetrahydroxide
EC No: 254-454-1
CAS No: 39445-23-3
800 g/kg
(The value provides the content of Ca and Mg expressed as Ca(OH)2 and Mg(OH)2. Typical values for Mg(OH)2 in hydrated dolomitic lime are in the range of 15 %-40 %)
1 May 2018
30 April 2028
2
The authorisations of biocidal products are subject to the following conditions:
(1) The product assessment shall pay particular attention to the exposures, the risks and the efficacy linked to any use covered by an application for authorisation, but not addressed in the Union-level risk assessment of the active substance.
(2) In view of the risks identified for the uses assessed, the product assessment shall pay particular attention to industrial and professional users.
3
The authorisations of biocidal products are subject to the following conditions:
(1) The product assessment shall pay particular attention to the exposures, the risks and the efficacy linked to any use covered by an application for authorisation, but not addressed in the Union-level risk assessment of the active substance.
(2) In view of the risks identified for the uses assessed, the product assessment shall pay particular attention to professional users.

---
Source: https://www.legislation.gov.uk/eur/2016/1933/annex (the official version)
Page: https://openlegislation.uk/eu-regulation-2016-1933/annex
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.