 Model Number |
CAS#: 6192-52-5 |
Molceular Formula: C7H8O3S.H2O
Molecular mass: 190.2
Physical appearance: White acicular crystals
CAS#: 6192-52-5
UN#: 2585(not more than 5% free sulfuric acid)
ICSC#: 0773
RTECS#: XT6300000
EC#: 016-030-00-2
Specifications:
|
Item
|
Technical grade
|
Pharma grade
|
Refine grade
|
Reagent grade
|
| Total acidity(C7H8O3S.H2O)≥% |
93.0
|
95.0
|
97.0
|
99.0
|
| Free acid(H2SO4)≤% |
3.0
|
2.0
|
0.5
|
0.1
|
| Moisture ≤% |
4.0
|
3.5
|
2.5
|
0.9
|
| Fe++≤ppm |
50
|
30
|
15
|
10
|
| Residue on ignition ≤% |
/
|
0.2
|
0.2
|
0.002
|
| Metting point(°C) |
/
|
/
|
/
|
102-105
|
USES: Mainly used in electron,medication,pesticide,coloring matter intermediate;also in scour, plastics, coating and resin hardener etc.
Packing: In 25Kg woven plastic bag or 25Kg net paste board barrel,packing at the request of customers.
|
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