Nantong Sheng Feng Chemical Co. Ltd., annual sales of two sodium hydrogen phosphite

Two sodium hydrogen phosphite is a white orthorhombic crystal powder. The neutralization reaction of phosphite with hydrogen and oxygen is carried out by concentrating, cooling crystallization and separating solid and liquid rain. Common reducing agents. The melting point of 53 DEG C, soluble in water, insoluble dry alcohol, ammonia water, heated to 120 DEG C when losing 5 crystal water into anhydrous; 200 DEG C into sodium pyrophosphate; strong reducibility, can be separated from a variety of metal salt solution and deliquescent metal.