Appearance: white acicular crystal or white power

Content: 99% Min

Melting Point: 171℃-175℃

Residue after ignition≤ 0.05%

Fe≤ 0.002%

Pb≤ 0.002%

 

Application:Generally for photograph, dye, rubber, pesticide, Chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxdant, analyse chemical reagent and so on.