Properties | White crystal powder, nonpoisonous,slightly hygroscopicity and formate acid smell. Soluble in water and glycerol,slightly soluble in ethanol,insoluble in diethyl ether. Relative density 1.92,Melting point 253鈩?boiling point 360鈩? |
Application | used to produce sodium hydrosulfite,oxalic acid,formic acid.銆?br />Reducing agent for printing and dyeing industries. For catalytic agent and stabilize combining agent. used in leather industry, serves as camouflage salt in the chrome tanning method Making disinfectant. The additive for the concrete and the drilling liquid. |
Standard Analysis specifications | |
Main content | 98.5%min |
Moisture | 0.5%max |
NaOH | 0.2%max |
Na2CO3 | 0.3%max |
PH NaCl Na2S Fe | 9--10 |