CAS Registry Number

CAS 555-43-1 — Tristearin

Tristearin is a saturated triglyceride composed of three stearic acid molecules, primarily used as a food additive (E471), emulsifier, and gelling agent in confectionery, cosmetics, and pharmaceuticals. It also serves as a lubricant and release agent in industrial applications. This white, waxy solid has a CAS number of 555-43-1, molecular formula C₅₇H₁₁₀O₆, and a molecular weight of 891.4797 g/mol. It is non-hazardous (no signal word) and stable under ambient storage conditions. Molekula supplies Tristearin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.