Is Polysorbate 40 vegan?
Polysorbate 40
Polysorbate 40 (E434) is a nonionic surfactant and emulsifier produced by ethoxylation of sorbitan monopalmitate. The sorbitan is derived from plant-based sorbitol, while the palmitic acid component may originate from palm oil (plant) or animal fats. It is used as an emulsifier in food and pharmaceutical applications.
| Also known as | PEG-20 sorbitan monopalmitate, POE (20) sorbitan monopalmitate, Polyoxyethylene (20) sorbitan monopalmitate, Polyoxyethylene sorbitan monopalmitate, Tween 40 |
|---|---|
| INCI name | Polysorbate 40 |
| E number | E434 |
| INS number | 434 |
| CAS number | 9005-66-7 |
| CosIng ID | 79320 |
| Last reviewed | 14 May 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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