Acetylsalicylic Acid

Formula: C9H8O4
CAS: 50-78-2
Formula Weight: 180.16  g/mol
Density: 1.40  g/cm3
Melting Point: 136  °C
Boiling Point: 140  °C
Purity: --
Concentration: --

Hazard and Safety Information


Signal Word: Warning!
Oral-LD50: 1500  mg/kg
Flash Point: 250 °C
Auto Ignition: 500 °C
Flinn Family: O1

GHS Hazard Statement: Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

GHS Precautionary Statement: Avoid breathing dust/fume/gas/mist/vapours/spray. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

General Hazard Information: Toxic by ingestion. An allergen and irritant; may cause internal bleeding. 10 gram dose may be fatal. Not sold for human consumption. Combustible solid.

Storage: Flinn Family: Organic #1. Store in/on shelf with acids, amino acids, anhydrides, peracids. Store certain organic acids in acid cabinet.

Disposal: General and institutional diposal instructions can go here.


Infrared - NIST Chemistry Webbook

Title: SALICYLIC ACID, ACETYL-    State: SOLID (KBr DISC) VS KBr    Instrument: PERKIN-ELMER 21 (GRATING)    Parameters: FILTER AT ABOUT 10 MICRONS    Filename: ./spectra/external/IR/10/10-b-IR-NIST-kbr.jdx   

UV-vis - NIST Chemistry Webbook

Title: Benzoic acid, 2-(acetyloxy)-    Instrument: Unicam SP 500    Filename: ./spectra/external/UV/10/10-b-UV-NIST.jdx   

Mass Spec - NIST Chemistry Webbook

Title: Aspirin    Filename: ./spectra/external/MS/10/10-b-MS-NIST.jdx