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REQUIRE 18 MT FCL, CIF ROTTERDAMAppearance:light yellow powder. Purity : 98.5%Min. 1,2 acid : 0.5%Max. Beta-Naphthol : 0.5% Max. Water%: 0.3Max. Ash%: 0.5Max. Initial melting Point: 217 �Min. Insolubles in NaOH: 0.2%Max.