Solidification and stabilization of expired chemicals

Certain chemicals are unstable and within few years or even few months, tend to turn into dangerous substances. Expired chemicals are treated as to be hazardous wastes Not only are expired chemicals useless for an experiment, but they can also be volatile and dangerous when they exceed their date of expiry and become complicated and difficult to dispose. Expired chemicals are a real problem in laboratory work. They pose health and safety risks as well as risks to the work being done. There are totally four characteristics in chemical wastes that will make a waste to be hazardous in nature.