Is E132 (Indigo Carmine) Halal?
Generally halal
E132 (Indigo Carmine / Indigotine) is a synthetic blue dye — despite the name 'carmine' it is not made from insects — so it is generally treated as halal at the ingredient level.
What is E132?
Indigo Carmine, also called Indigotine, is a synthetic blue colouring. The word 'carmine' in its name causes confusion, but unlike carmine E120 it is not derived from insects — it is manufactured chemically.
Made by chemical synthesis (sulfonation of synthetic indigo). No animal-derived raw materials in the standard process.
Why is it generally halal?
Indigo Carmine is generally classified as halal at the ingredient level because it is fully synthetic, with no animal or alcohol component — the 'carmine' in the name refers to the colour, not to insect cochineal (E120). The finished product still requires its own verification.
Commonly found in
It may be found in — this does not mean every product below contains it.
- Sweets and ice cream
- Soft drinks
- Baked goods and decorations
- Some medicines (and as a diagnostic dye)
How it appears on labels
Indigo CarmineIndigotineE132Colour (E132)Blue 2FD&C Blue No. 2INS number: 132
How to verify a product in Singapore
- Ingredient-level guidance is not halal certification — check the complete product, not just this ingredient.
- Look for recognised halal certification, and check the finished product on the official MUIS HalalSG register.
- When the source or processing aids are unclear, contact the manufacturer.
Ingredient guidance is not certification. Verify the finished product on the MUIS HalalSG register or with the manufacturer.
Check MUIS HalalSGSources: EFSA, FAO/WHO, MUIS · Last reviewed: July 2026 · This guidance is not certification.
Frequently asked questions
Is E132 (Indigo Carmine) halal?
Yes — it is a synthetic dye with no animal origin, so it is generally considered halal at the ingredient level. The finished product still needs verification.
Is Indigo Carmine made from insects?
No. Despite 'carmine' in the name, it is synthetic — unlike carmine (E120), which is insect-derived.
What names should I look for?
'Indigo Carmine', 'Indigotine', 'E132', 'Blue 2' or 'FD&C Blue No. 2'.
Related ingredients
Sources & methodology
- Re-evaluation of Indigo Carmine (E 132) as a food additive — European Food Safety Authority (EFSA) · Synthetic origin and safety re-evaluation
- General Standard for Food Additives (GSFA) Online Database — Codex Alimentarius (FAO/WHO) · Approved uses and INS number
- Halal Certification — HalalSG — Majlis Ugama Islam Singapura (MUIS) · Singapore halal verification process
Humble Halal methodology: we classify additives by their common origin, not by any specific product. A generally-halal ingredient does not make a finished product halal-certified. This page is general guidance, not certification or religious/legal advice — always verify the complete product. Last reviewed July 2026.