E-code guide
E231Orthophenyl Phenol
HalalPreservative
E231

Orthophenyl Phenol

Preservative

SANHA, JAKIM Handbook 2010, and MUIS all classify this as halal.
Based on 3 cited authorities. Confidence: medium.

What authorities say

3 authorities on record
3say Halal

Why this verdict

E231 is orthophenyl phenol, a surface preservative used on citrus fruit skins to control mould. SANHA, JAKIM Handbook 2010, and MUIS all classify E231 as halal. MUIS notes it is manufactured from phenyl ether or dibenzofuran. E231 is halal.

Common questions

Is E231 halal?

Orthophenyl Phenol (E231) is classified halal. SANHA, JAKIM Handbook 2010, and MUIS classify it as halal.

What is E231 made from?

Orthophenyl Phenol (E231) is produced synthetically.

Last reviewed by the HalalHQ research team in June 2026.