| CAS No. |
7681-57-4 |
| Other Names |
sodium metabisulfite |
| MF |
Na2S2O5 |
| EINECS No. |
XX |
| Place of Origin |
Hebei China (Mainland) |
| Grade Standard |
Industrial Grade |
| Purity |
97%Min |
| Appearance |
white |
| Application |
waste water treatment |
| Brand Name |
Sanjiang |
| Model Number |
SMBS20100301 |
sodium metabisulfite (1)Grade: industrial grade and food grade (2)Molecular formula: Na2S2O5 (3) Physical appearance: white or slightly yellowish crystalline powder (4)Certification: ISO9001:2000 (5)Purity(Na2S2O5): 97% min (6)Content of SO2:65% (7)Main use: mineral separation, waste water disposing etc. (8)Our main product,annual output over 30,000MT (9)Net weight: 25kg /bag or 1000kg /bag Tangshan SanJiang Chemical Co.,Ltd.ANALYSIS LIST PRODUCT Na2S2O5 ANALYSIS DATE Nov.10,2009 LOT NO PARAMETER STANDARD RESULT MAIN CONTENT(Na2S2O5 %) 95% 97.45% WATER INSOLUBLE % 65% 65.32% IRON(FE)% 0.05% 0.01% HEAVY METAL(Pb)% 0.005% 0.002% ARSENIC(AS)% 0.002% 0.001% PH VALUE 0.0002% <0.0002% ANALYSIS RESULT 4.0 4.6 4.4 REMARK QUALIFIED Packing: in 25kg net PP woven bag with PE inner.