... powder, or colorless sand-form crystal. Easily soluble in water, but insoluble in alcohol, its water solution is weak alkaline. Twelve- ... , buffering agent, glaze agent, welding agent, and auxiliary agent in electroplating and leather tanning etc. It is used to produce ... nourish-supplement agent, fermentation adjunct, and binder. Packing and storage: In double layer bags of net weight of 25 Kg or 50 ...