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E381 Acidity Regulator

Name: E381 Acidity Regulator
Brand: Akshar Shop
SKU: E381AR

Serial: E381AR

E381 has a range of uses, including:

Last updated: 23 Oct 2026

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About E381 Acidity Regulator

E381 has a range of uses, including:

As a food ingredient, it has an INS number and is used as an acidity regulator[citation needed]. Most notably used in the Scottish beverage Irn-Bru.
Water purification.
As a reducing agent of metal salts of low activity like gold and silver.
With potassium ferricyanide as part of the cyanotype photographic process.
Used in Kligler iron deeps to determine hydrogen sulfide production in microbial metabolism.
In medical imaging, E381 is used as a contrast medium.
As a hematinic.