Molecular formula: C7H8O3S
Structural formula: 
Molecular weight : 172.2
Standard: Q/320586MTB04-2000 .
Appearance: white crystal powder .
Technical index:
Item
|
Value |
| Total acidity ( as C7H8O3S)≥ % |
90-93 |
95.00 |
97.00 |
| Free acid ( as H2SO4)≤ % |
3.00 |
1.8 |
0.5 |
| Moisture (include hydrate)≤ % |
14.00 |
14.00 |
14.00 |
Uses: used in medicine, intermediate, curing of plastic and resin or catalyst
Packing: 25kg in PVC bag lined PP woven bag. |
