CAS 149-91-7 Gallic Acid

CAS 149-91-7 Gallic Acid

ResultAppearanceWhite or off white crystalline powderWhite powderAssay≥99%99.23%Loss on drying≤0.5%0.3%Tannic acid testNo cloudy  No cloudyWater dissolved experimentNo cloudyNo cloudyChroma(platinum-cobalt color number)≤180120Sulphates≤0.02%Pass testMelting point235-240ºC236-239.5ºCResidue on ignition≤0.1%Pass testTurbidity(NIU)≤10<10Tannic acid≤1%Pass testChloride≤0.03%Pass testAs≤3 ppmPass test

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Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in 4'-Methylacetophenone,Levamisole hydrochloride ,N-Methylformamide and other chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all employees, we have established many cooperative companies in shandong, henan, guangdong and other places. Our corporate purpose is based on the market, enhance the strength, take the road of scientific and environmental sustainable development, relying on the country. Technology r & d center, increase the investment in r & d, based on the domestic market, expand the international market, manufacturing quality products, sincere service to the society, into a modern, ecological, scientific and technological enterprise world.

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