Model Number: calcium nitrate-#3555 Brand Name: Solid Key Specifications/Special Features: Caustic soda flake MSDSCompetitive and reliable priceExcellent customer servicePrincipal strong base used in the chemical industry, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleanerCaustic soda pearl’s form makes it easy to pour and use