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.: 89-25-8
Molecular Formula: C10H10N2O
Molecular Weight: 174.20
Physics and chemistry nature: White or almost white crystalline powder
Use: Mainly used in cardio-cerebrovascular raw materials
Packing: Cardboard drum, net wt, 25kg/drum
Structural formula:.jpg)
Specification Standard: Chinese Pharmacopoeia 2020 Edition
| Item | index |
| Assay: ≥% | 99.0 |
| Loss on drying:≤% | 0.50 |
| Residue on ignition: ≤% | 0.10 |
| Heavy metal: ≤ppm | 10 |
| Impurity Ⅰ: ≤% | 0.10 |
| Maximum single miscellaneous: ≤% | 0.10 |
| Total miscellaneous: ≤ | 0.30 |
| pH | 4.5-5.5 |
| Phenylhydrazine: ≤% | 0.05 |
| Melting Point:℃ | 126-130 |
| Any other impurity : ≤% | 0.10 |
| Sum impurity : ≤% | 0.30 |
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