E524

Sodium hydroxide

E Number E524
Name Sodium hydroxide
Class Others
Groups Group I
Additional details Stabilizer, acidity regulator, alkali
Origin Synthetic
Common applications Margarine, olives, liquors, chocolate, ice creams, marmalade, gelatin, biscuits, cookies, pastry and bakery
Observations At high doses, may irritate digestive tract
Evaluation Precaution

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Conditions of use in food categories

Category Number Category Name Maximum Level (mg/l or mg/kg as appropriate) Details Restrictions/exceptions
04.2.5.2 Jam, jellies and marmalades and sweetened chestnut puree as defined by Directive 2001/113/ECquantum satis 
04.2.5.3 Other similar fruit or vegetable spreadsquantum satis 
05.1 Cocoa and chocolate products as covered by Directive 2000/36/EC70 000E 170, E 500-504, E 524-528 and E 530: 7 % on dry matter, without fat, expressed as potassium carbonates 
13.1.3 Processed cereal-based foods and baby foods for infants and young children as defined by Commission Directive 2006/125/EC (19)quantum satisonly processed cereal-based foods and baby foods, only for pH adjustment
13.1.4 Other foods for young childrenquantum satisonly for pH adjustment
13.1.5.1 Dietary foods for infants for special medical purposes and special formulae for infantsquantum satisonly for pH adjustment