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【English name】：3-Pyridinesulfonic Acid
【Molecular formula】：C6H4NO3S
【Molecular weight】：159.16
【Content】：≥98% 99%
【Appearance】：White powder or crystals
【Moisture】：≤0.5%
【mp】: 367-370℃
【Standard】：1 kg/bag, 10 kg/barrel, 25 kg/barrel, 40 kg/barrel.
【Packaging】：Paper bucket or iron drum, inner with PF bag.
【Carton specifications】：Cylindrical barrel
Rough weight：10kg 1kg, 25kg 2.5kg, 40kg 4kg
【Process scale】:Annual output of 20 tons.
【Character】Is the drug of pyridine, Ming (Bromide pyridine si Ming of Pyridostigmine Bromide intermediates
【Appearance and properties】：White acicular or flaky crystal, soluble in water, soluble in methanol, insoluble in ether, benzene, and DDT
