Yunxiang Develop Co.,Limited CopyRight 2008-2012
Room.8806-8808 World Financial Center No.2 North Dagu Road, Tianjin, China. PO:301000
Tel:+86-22-28704897 Fax:+86-22-28704897 Email:info@yxdvc.com
Sodium Metabisulphite 98% Min:
1.CAS NO.:7681-57-4
2.EINECS No.:231-673-0
3.HS CODE: 28321000
4.Molecular Formula: Na2S2O5
5.Molecular Weight: 190.09
6.Appearance: White Crystalline Powder
7.Detail Specifications:
Item | Standards | Test Result |
Na2S2O5(%) | 98.0% Min | 98.20 |
SO2(%) | 65.0 Max | 65.2 |
Iron(%) | 0.0015 Max | 0.0012 |
As(%) | 0.0002 Max | 0.0002 |
Se(%) | 0.0005 Max | 0.0005 |
Pb(%) | 0.0005 Max | 0.0004 |
Matter Insoluble In Water(%) | 0.05 Max | 0.05 |
Ph Value | 4.0-4.8 | 4.5 |
Conclusion | Qualified |
8.Properties:
White or yellowish crystalline powder with strong SO2 odor; specific wt.: 1.4. soluble in water, its aqueous solution is acidic.
9.Usage:
10.Package,Storage,Transportation:
Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
COA Download | MSDS Download |