Processing aid
Is Thimerosal halal?
Thimerosal: An ethylmercury-containing preservative used in some multi-dose vaccines and a few biological products. Synthetic; halal in itself. Single-dose pre-filled syringes are generally thimerosa…
Thimerosal: An ethylmercury-containing preservative used in some multi-dose vaccines and a few biological products. Synthetic; halal in itself. Single-dose pre-filled syringes are generally thimerosa…
What the sources say
An ethylmercury-containing preservative used in some multi-dose vaccines and a few biological products. Synthetic; halal in itself. Single-dose pre-filled syringes are generally thimerosal-free.
Quick facts
| Name | Thimerosal |
|---|---|
| Also on labels as | thiomersal, ethylmercury |
| Additive class | Processing aid |
| Classification | Verified halal |
| Last verified | 2026-08-21 |
Common questions
Is Thimerosal halal?
Thimerosal is classified as Verified halal. Thimerosal: An ethylmercury-containing preservative used in some multi-dose vaccines and a few biological products. Synthetic; halal in itself. Single-dose pre-filled syringes are generally thimerosa…
Is Thimerosal halal or haram?
On the evidence cited on this page, Thimerosal is verified halal. Permissible — origin and process documented Every position is attributed to a named certifier or scholarly body with a link, so you can verify it directly.
What else is Thimerosal called on ingredient labels?
It can appear as: thiomersal, ethylmercury.
Where does this page's information come from?
Every position on this page is attributed to a named certifier or scholarly body with a direct link, listed under 'What the sources say'. Muttoo aggregates and cites; it does not issue rulings.
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Record ingredient-thimerosal · last verified 2026-08-21 · report an error