Other Names:   Sulfurous acid, disodium salt <br />
  Grade Standard: Agriculture Grade, Food Grade,   ... <br />
  Purity: 97% <br />
  Appearance: White crystalline powder <br />
  Application:   Main used in medicine industry, man... <br />
  Model Number: AS872 <br />
  Molecular   weight: 126.04 <br />
  Color: White <br />
  Quality standard: Q/320124JM02-2003 <br />
  Purity: 96% min <br />
  Specific gravity: 2.633 <br />
  Stability: Stable under   ordinary conditions <br />
  H. S. Code: 2832.10
  pH: 9.5-10.5