571 B
571 B
Mercury chloride
Formula
Hg2Cl2
Pyrotechnics use
Chlorine donor
Synonyms
Calomel, Mercurous chloride.
Description
Mercury(I)chloride is a dense yellowish-white solid that was once used as a chlorine donor for enriching colour, but owing to it's high toxicity and relatively low chlorine content (15%) when compared to the likes of polyvinyl chloride and parlon, it hasn't been widely used in around 40 years.
Sources
TBD
Hazards
Xn
Mercury(I)chloride is toxic and precautions should be taken to minimise exposure by any route.