Product name Sodium hydrogen phosphite two English name Disodium hydrogen Phosphite No. CAS 13517-23-2 HS encoding Twenty-eight million three hundred and fifty-one thousand Molecular formula Na2HPO3 & 5H2O molecular weight Two hundred and sixteen quality index Item Index Appearance White crystal The content is more than% Ninety-eight Chloride (Cl)% Zero point zero two Sulfate% Zero point zero eight Water insoluble% Zero point zero one Iron (Fe)% Zero point zero zero two five Properties and uses Two sodium hydrogen phosphite is a white orthorhombic crystal powder. Neutralization reaction, concentrating, cooling crystallization by phosphite with hydrogen, solid-liquid separation for 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. Packing Woven bags lined with two layers of PE bags, net weight 25KGS; Can also be packaged according to customer requirements. Throughput 1000 tons / year
