PhenylhydrazinePhenyl hydrazine HydrochlorideAmmonium Bisulfite SolutionPotassium Bisulfite SolutionCarvedilolEdaravoneAmmonium thiosulfate solutionCalcium thiosulfate solutionPotassium thiosulfate solutionMagnesium thiosulfate solutionSodium thiosulfate (baking soda)Potassium sulfite solutionAnhydrous Sodium SulfiteSodium Bisulfite
CAS NO.:10192-30-0
Molecular formula: NH4HSO3
Molecular weight:99.11
Physics and Chemistry nature:Appearance:light yellow transparent liquid
Use:Can be used in dye intermediate synthesis, surfactant,herbicide,parmaceutical industry reducing agent and the protection of developing process in photographic industry.
Packing:250kg Plastic drum/IBC drum/ISO TANK
Structural formula:.jpg)
Specification standard: HG/T2785-2022
|
Item |
Index(HG/T2785-1996)
|
Index(USE FCC)
|
| Sum of ammonium bisulfite ≥% |
60.0 |
68.50
|
| Ammonium bisulfite ≥% |
2.50
|
2.50
|
| Ammonium thiosulfate ≤% |
0.08
|
0.08
|
| CL- mass fraction ≤% |
0.40
|
0.40
|
| pH |
/
|
4.70-5.50
|
| NH3 Assay,% by weight |
/
|
12.60-13.80
|
| SO2 Assay,% by weight |
/
|
44.00-46.00
|
| Ration,%SO2/%NH3 |
/
|
3.20-3.60
|
| Specific gravity (20℃) |
1.300-1.360
|
1.39-1.42
|
