Character:It is white crystalline powder. It's easily deliquescent and tastes salty. PH value of 1mol/L aqueous solution is 7.0-9.0. Relative density(d425) is 1.570. Melting point is 292ºC. It's highly soluble in water (235g/100mL, 20ºC; 492g/100mL, 62ºC), ethanol (33g/100mL) and methanol (24.24g/100mL, 15ºC), but insoluble in ether.
Usage: It is used as buffering agent, neutralizer, preservative and color fixative to protect natural colos of animals and plants.
Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.