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By certification 
CAS#: 14915-37-8
Industrial Grade（Liquid） Medical Grade（Solid）
Appearance: Light yellow liquid white or off-white powder
Purity(%): 40 %Min 98-102%(dry)
Loss on drying: ------ 5%Max
PH: 9-11 8-9
Industrial Grade（Liquid） Medical Grade（Solid）
Appearance: Light yellow liquid white or off-white powder
Purity(%): 40 %Min 98-102%(dry)
Loss on drying: ------ 5%Max
PH: 9-11 8-9
