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pigment red 23 6471-49-4
Category : Dyestuffs and Pigments
CAS NO : 6471-49-4 EC NO : 229-313-2 MF : C24H17N5O7 MW : 487.4211 Specification : C24H17N5O7 Packing : 25kg per bags then palletised Product description : C.I.Pigment No. Red 23 CAS 6471-49-4 C.I.No. 12355 Physical Properties Specific Gravity 1.4 Specific Surface area(m2/g) ? pH 6 Melting point ? Specification Color Shade Similar to the standard Color Strength 97-103% of the standard Volatile matter at 105 2.5%max Soluble matter in water 1.5%max Oil absorption 45-55% Finess(100mesh) 5.0%max Fastness to Light 6 Heat 150 Bleeding resistance Water 5 Linseed Oil 3 Acid 5 Alkali 3 Alcohol 2 Xylene 2 Ethyl acetate 2 Uses : used for ink, paint, coating,plastic & textile Synonyms : C.I. 12355;C.I. Pigment Red 23;C.I. Pigment Red 157;C.I. Pigment Red No. 23(4-methylphenyl)(5-nitro-2-piperidin-1-ylphenyl)methanone;(4E)-4-[(2-methoxy-5-nitrophenyl)hydrazono]-N-(3-nitrophenyl)-3-oxo-3,4-dihydronaphthalene-2-carboxamide; Molecular Structure : 
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pigment red 23