E-code guide
E285Sodium Tetraborate (Borax)
HalalPreservative
E285

Sodium Tetraborate (Borax)

Preservative

SANHA classifies this as halal.
Based on 1 cited authority. Confidence: medium.

What authorities say

1 authority on record
1says Halal
Saying Halal1 of 1

Why this verdict

E285 is sodium tetraborate (borax), a preservative with very limited food use, permitted in some countries for caviar. SANHA classifies E285 as Halaal. SANHA is the only authority in the source corpus to publish a position on this preservative. It is obtained from mineral sources.

Common questions

Is E285 halal?

Sodium Tetraborate (Borax) (E285) is classified halal. SANHA classifies it as halal.

What is E285 made from?

Sodium Tetraborate (Borax) (E285) is a mineral.

Only SANHA has a published position on this additive. The verdict is provisional until more authorities weigh in.
Last reviewed by the HalalHQ research team in May 2026.