we suppply acetylsalicylic acid
1.in very competitive price
2.quality guaranteed
3.fast delivery
4.financial credit support
we supply acetylsalicylic acid
1.in very competitive price
2.quality guaranteed
3.fast delivery
4.financial credit support
appearance white crystal powder conforms
assay(dried basis) 99.50%-100.50% 99.63%
identification a violet-red color is produced positive
infrared absorption according with ir reference spectrum conforms
loss on drying 0.50% max. 0.25%
readily carbonizable substances no more color than m.f.q conforms
residue on ignition 0.05% max. 0.04%
substances insoluble
in sodium carbonate the solution is clear clear
chloride 0.014% max. 0.012%
sulfate 0.04% max 0.02%
heavy metals 10.00ppm max. 2.00ppm
free salicylic acid 0.10% max. 0.02%
residual solvents lod≤ 0.50% 0.08%