Product name: 3-dimethylcarbamoyloxy-1-methylpyridinium bromide; Pyridostigmine Bromine; Mestinon
Molecular formula: C9H15BrN2O2
Molecular weight: 261.12
CAS No.: 101-26-8
Appearance |
White to almost white crystalline powder |
Melting point |
153~157℃ |
Item |
Technical indicators |
Content wt.% |
98.5~101.0 |
Loss on drying % |
≤1.0 |
Identification B: Reaction with bromide |
IR spectrum standard uniformly formed pale yellow precipitate |
Acidic or basic B: 0.2ml 0.02M HCL |
A: The solution appears yellow B: The solution appears red≤0.40 |
Impurity A % |
≤0.40 |
Impurity B % |
≤0.40 |
Any single impurity % |
≤0.20 |
Any secondary impurity % |
≤0.10 |
Total impurity % |
≤0.50 |
Heavy metal ppm |
≤20 |
Loss on drying % |
≤0.50 |
Ssulfate ash content % |
≤0.10 |
Risk rating: 6.1, highly toxic
UN code: 2811
Packaging category: category II
25KG/ cardboard barrel, or according to customer requirements
Keep in a sealed container in a cool place
Pharmaceutical raw materials
Tetraethyl hydroxide 35%(aqueous solution), tetrapropyl hydrohydride, 25%(aqueous solution), tetrapropyl hydroxide, 40%(methanol solution) and other quaternary ammonium alkali, quaternary ammonium salt, specialty fine chemicals are available. Please contact us for details!