E-code guide
E509Calcium Chloride
HalalFirming agent
E509

Calcium Chloride

Firming agent

Also known as CaCl2, Calcium dichloride

SANHA and MUIS all classify this as halal.
Based on 2 cited authorities. Confidence: medium.

What authorities say

2 authorities on record
2say Halal

Why this verdict

E509 is calcium chloride, a firming agent and acidity regulator used in canned vegetables, cheese, and pickles. SANHA and MUIS both classify E509 as halal. MUIS notes it is obtained as a by-product of the Solvay process and from natural salt brines. E509 is halal.

Food-safety note
Permitted as a firming agent and acidity regulator in Australia and New Zealand under the Food Standards Code (Schedule 15), at good manufacturing practice. A mineral salt; regarded as safe at the levels used in food, with a bitter taste at high concentrations. (Source: FSANZ; Food Standards Code Schedule 15.)

Common questions

Is E509 halal?

Calcium Chloride (E509) is classified halal. SANHA and MUIS classify it as halal.

What is E509 made from?

Calcium Chloride (E509) is a mineral. It is commonly found in Cheese making (firming agent), tofu coagulant, canned vegetables (firming), and brined cucumbers.

Based on 2 cited authorities. Verdict may be revised as more positions are added.
Found in
Cheese making (firming agent)tofu coagulantcanned vegetables (firming)brined cucumberssports drinks
Last reviewed by the HalalHQ research team in June 2026.