Purchase Qty. Reference FOB Price
20-25 Tons US$1,000.00
26+ Tons US$900.00
Product Description
Industrial High Quality CAS NO 84-44-9 99.95% PA/Phthalic anhydride Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid. Phthalic anhydride is a principal commercial form of phthalic acid. It was the first anhydride of a dicarboxylic acid ...