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pigment yellow 191
Category : Dyestuffs and Pigments
CAS NO : 154946-66-4 EC NO : MF : MW : Specification : C21H18N4O2 Packing : 25kg by paper bag Product description : C.I.Pigment No. Yellow 191 CAS 154946-66-4 C.I.No. 18795 Physical Properties Specific Gravity 1.27-1.50 Specific Surface area(m2/g) 22-69 pH 6.50-7.50 Melting point Specification Color Shade Similar to the standard Color Strength 97-103% of the standard Volatile matter at 105 2.0%max Soluble matter in water 1.5%max Oil absorption 45-55% Finess(100mesh) 5.0%max Fastness to Light 5 Heat 280 Bleeding resistance Water 5 Linseed Oil 5 Acid 5 Alkali 5 Alcohol 5 Xylene 5 Ethyl acetate 5 Uses : apply to paint,ink,textile,plastic,coating Synonyms : Benzenesulfonic acid, 4-chloro-2-4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-ylazo-5-methyl-, diammonium salt;Yellow HRP
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