Safety data sheet, version 4

O-Acetylsalicylic acid

Fisher ScientificRevised 2025-12-228 pages

Composition

Section 3 of this sheet: composition/information on ingredients.

Composition of O-Acetylsalicylic acid
IngredientCASConcentrationBoiling point
Aspirinlisted as “Benzoic acid, 2-(acetyloxy)-” 50-78-2 > 95 % —

Concentrations as stated in section 3 of the sheet; the sheet says whether they are by weight or by volume. Boiling points at 1 atm from the compound database.

The PDF is the authoritative document. Hazard statements, exposure limits and protective equipment are in sections 2 and 8 of the sheet; this page lists only what could be read from it.