What is FD&C Blue 1 (Brilliant Blue) used for in medicines?

A synthetic triarylmethane dye used to colour pharmaceuticals. Visual identification of products.

What are common sources of FD&C Blue 1 (Brilliant Blue)?

Common sources include: Synthetic. Manufacturers often do not disclose which source is used.

Is FD&C Blue 1 (Brilliant Blue) halal?

FD&C Blue 1 (Brilliant Blue) is classified halal for halal use with High confidence. A synthetic triarylmethane dye used to colour pharmaceuticals. Synthetic; halal.

Colorant · Confidence: High

Also known as: brilliant blue FCF, E133

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What it is

A synthetic triarylmethane dye used to colour pharmaceuticals.

Source:FDA — Color additives

Why it's here

Visual identification of products.

See:FDA — Color additives

Why it may matter

Synthetic; halal.

Source:FDA — Color additives

Common sources

Synthetic

Reason codes

syntheticOrigin

Evidence & citations1

Audit

Common questions

Is FD&C Blue 1 (Brilliant Blue) halal?: RxHalal currently classifies FD&C Blue 1 (Brilliant Blue) as HALAL (High confidence). Synthetic; halal. This is information only — not a fatwa or medical advice.
What is FD&C Blue 1 (Brilliant Blue) used for in medicines?: A synthetic triarylmethane dye used to colour pharmaceuticals. Visual identification of products.
What are common sources of FD&C Blue 1 (Brilliant Blue)?: Common sources include: Synthetic. Manufacturers often do not disclose which source is used.

Medicines using this excipient

9 total0 halal7 uncertain2 concern

See all 9 medicines →

Seen most often in these conditions

Where this excipient turns up across RxHalal's tracked treatment categories.