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4-Aminosalicylic AcidAb.: PAS-HMF: C7H7NO3MW: 153.13Properties: Almost white or slightly yellow powder, MP150-151°C (decompound).Uses: Pharmaceutical intermediate or photographic products and processes.Quality Standard:Item: IndexAssay: ≥98.5%Water: ≤1.0%PH 2.7-3.7Packing: Aluminum-plastic bag in vacuum, packed in paper drum, 20kg/drum, 30kg/drum
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