CheckVegan

Is Potassium Sulphate vegetarian?

Potassium Sulphate

Vegetarian Vegetarian
Vegan Vegan

Potassium Sulphate is an inorganic mineral salt used as an acidity regulator and food additive. It also occurs naturally as the mineral arcanite and is used in fertilisers and cosmetics.

Also known as Arcanite, Arcanum duplicatum, Dipotassium sulphate, K2SO4, kalii sulfuricum, Potassium sulfate, Potassium sulphate, Sulphate of potash
INCI name Potassium Sulphate
E number E515
INS number 515
CAS number 7778-80-5
EC number 231-915-5
CosIng ID 37029
Last reviewed 22 April 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue