
Article 1 
The preparation specified in the Annex, belonging to the additive category ‘technological additives’ and to the functional group ‘acidity regulators’, is authorised as an additive in animal nutrition subject to the conditions laid down in that Annex.
Article 2 
The additive specified in the Annex and premixtures containing it which are produced and labelled before 14 March 2014 in accordance with the rules applicable before 14 March 2013 may continue to be placed on the market and used until the existing stocks are exhausted.
Compound feed containing the additive specified in the Annex which is produced and labelled before 14 March 2015 in accordance with the rules applicable before 14 March 2013 may continue to be placed on the market and used until the existing stocks are exhausted.
Article 3 
This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union.
This Regulation shall be binding in its entirety and directly applicable in all Member States.Done at Brussels, 21 February 2013.
For the Commission
The President
José Manuel BARROSO
ANNEX

Identification number of the additive Name of the holder of authorisation Additive Composition, chemical formula, description, analytical method Species or category of animal Maximum age Minimum content Maximum content Other provisions End of period of authorisation
mg/kg of complete feedingstuff with a moisture content of 12 %
Category of technological additives. Functional group: acidity regulators
1j524 — Sodium hydroxide 
 Additive composition
Sodium hydroxide 50 % w/w
(water solution)
 Characterisation of the active substance
Sodium hydroxide ≥ 98,0 % total alkali (calculated as NaOH)
NaOH CAS No.: 1310-73-2
Produced by chemical synthesis
 Method of Analysis
Determination of sodium hydroxide in feed additive: Titrimetry — FAO JECFA Combined Compendium for Food Additive Specifications, Monograph No 1 (2006) ‘sodium hydroxide’. Cats, dogs and ornamental fish — — — 
1. For safety: breathing protection, eye protection, gloves and protective clothing shall be used during handling.

2. For use: the resulting total sodium concentration in feed shall not compromise the overall electrolyte balance.
 14 March 2023
