C.I.Pigment No. Red 146 CAS 5280-68-2 C.I.No. 12485 Physical Properties Specific Gravity 1.5 Specific Surface area(m2/g) ? pH 7.0 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 40-55% Finess(100mesh) 5.0% Fastness to Light 5 Heat 160 Bleeding resistance Water 5 Linseed Oil 5 Acid 5 Alkali 5 Alcohol 3 Xylene 3 Ethyl acetate 4
used for ink, paint, coating,plastic & textile

CAS NO:5280-68-2

EC NO:226-103-2

Molecular Formula:C₃₃H₂₇ClN₄O₆

Molecular Weight:611.0437

Synonyms:12485;C.I.Pigment Red 146;P.R.146;Naphthol Carmine FBB;Permanent Carmine FBB;N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)-carbonyl]phenyl]azo]-2-Naphthalenecarboxamide(4Z)-N-(4-chloro-2,5-dimethoxyphenyl)-4-{2-[2-methoxy-5-(phenylcarbamoyl)phenyl]hydrazinylidene}-3-oxo-3,4-dihydronaphthalene-2-carboxamide;N-(4-chloro-2,5-dimethoxy-phenyl)-3-hydroxy-4-[2-methoxy-5-(phenylcarbamoyl)phenyl]azo-naphthalene-2-carboxamide;

Molecular Structure: