E524

Sodium Hydroxide

Q: Is E524 safe for children?

Certain synthetic dyes and preservatives may trigger hyperactivity or allergies in children. Sodium Hydroxide is classified as safe — use the app scanner to see it in context.

Acidity regulator — safe in food amounts

Safe

Code

E524

Safety

safe

Found in

4 categories

What is this additive?

Acidity regulator — safe in food amounts

Used as sodium hydroxide across packaged foods for colour, preservation, texture or flavour. Check the ingredients list for E524 or its INS equivalent.

Potential Health Impact

Generally recognized as safe for regular intake

Tip: Scan the barcode with Instant Food Score to see this additive flagged in context — with its exact share of ingredients and overall 0–100 score.

Common Foods Containing It

Baking Mixes & Cakes

Salt Substitutes

Firming Tofu & Cheese

Powdered Drink Mixes

Health Verdict

Sodium Hydroxide is generally recognized as safe for regular dietary consumption within approved food limits.

Frequently Asked Questions

Is E524 suitable for vegans?

Most variants of Sodium Hydroxide are synthetic or plant-derived. However, check individual packaging labels for animal-origin emulsifiers or processing aids.

Is E524 safe for children?

Certain synthetic dyes and preservatives (like nitrites or benzoates) may trigger hyperactivity or allergies in children. Look out for safety warnings.

Is Sodium Hydroxide natural or artificial?

E-numbers starting from E100 to E199 range from natural plant extracts (like curcumin and beetroot) to synthetic colorants. Check the product label for specific sourcing.