Натрий гидросульфит

Properties : White crystal powderPacking : Sealed iron drums with two-layers plastic bags lined,the net weight is 50kg.Formula: Na2S2O4MSDS ItemsGradeHigh-classExportation gradeContent of Na2S2O4% ≥9088Water insolubles % ≤0.10.1 Dangerous articles classification: 4.2 Serial number of international dangerous articles rules: 1384 Quantity in conformity with HG2074-91 standard promulgated by Chemical Industry Ministry of P.R. of China and Japan JISK1476-1992 standard Notes: When storage and shipment, be protected from damp, moisture, fire and handle it with care.