Type:Sodium Sulte CAS No.:7631-90-5 Other Names:Sodium Hydrogen Sulfite MF:NaHSO3 EINECS No.:231-548-0 Grade Standard:Food Grade Purity:98%min Appearance:Used to make dyes, rmaceuticals Application:Used to make dyes, rmaceuticals Grade:Food grade CHLOR.03% IRON(FE):0.002%