It reacts with formaldehyde in the presence of acid to give an isochromanone.
Arnold J. Friedhoff.; Leo E. Hollister. Comparison of the metabolism of 3,4-dimethoxyphenylethylamine and mescaline in humans. Biochem. Pharmacol. 1966, 15 (3),269-273 .
Reacts with formaldehyde in the presence of acid to give an isochromanone: Org. Synth. Coll., 6, 471 (1988):
Mentions de danger (UE): H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Mentions de prudence: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.