C.I.Pigment No. Red 4 CAS 2814-77-9 C.I.No. Physical Properties Specific Gravity 1.45-1.60 Specific Surface area(m2/g) 8-25 pH 7.5 Melting point 175 Specification Color Shade Color Shade Similar to the standar Color Strength 97-103% of the standard Volatile matter at 105 1.5% Soluble matter in water 1.0% Oil absorption 25-35% Finess(100mesh) 5.0%max Fastness to Light 6-7 Heat 100 Bleeding resistance Water 5 Linseed Oil 4 Acid 5 Alkali 5 Alcohol 5 Xylene 5 Ethyl acetate 5
used for ink, paint, coating,plastic & textile

CAS NO:2814-77-9

EC NO:220-562-2

Molecular Formula:C₁₆H₁₀ClN₃O₃

Molecular Weight:327.7219

Synonyms:C.I. 12085;C.I. Pigment Red 4;Pigment Red 4 (C.I.);1-(2-chloro-4-nitrophenylazo)-2-naphthol;Pigment Red 4;(1Z)-1-[(2-chloro-4-nitrophenyl)hydrazono]naphthalen-2(1H)-one;1-[(E)-(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol;

Molecular Structure:

CAS NO:2814-77-9

EC NO:220-562-2

Molecular Formula:C₁₆H₁₀ClN₃O₃

Molecular Weight:327.7219

Synonyms:C.I. 12085;C.I. Pigment Red 4;Pigment Red 4 (C.I.);1-(2-chloro-4-nitrophenylazo)-2-naphthol;Pigment Red 4;(1Z)-1-[(2-chloro-4-nitrophenyl)hydrazono]naphthalen-2(1H)-one;1-[(E)-(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol;

Molecular Structure:

CAS NO:2814-77-9

EC NO:220-562-2

Molecular Formula:C₁₆H₁₀ClN₃O₃

Molecular Weight:327.7219

Synonyms:C.I. 12085;C.I. Pigment Red 4;Pigment Red 4 (C.I.);1-(2-chloro-4-nitrophenylazo)-2-naphthol;Pigment Red 4;(1Z)-1-[(2-chloro-4-nitrophenyl)hydrazono]naphthalen-2(1H)-one;1-[(E)-(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol;

Molecular Structure:

CAS NO:2814-77-9

EC NO:220-562-2

Molecular Formula:C₁₆H₁₀ClN₃O₃

Molecular Weight:327.7219

Synonyms:C.I. 12085;C.I. Pigment Red 4;Pigment Red 4 (C.I.);1-(2-chloro-4-nitrophenylazo)-2-naphthol;Pigment Red 4;(1Z)-1-[(2-chloro-4-nitrophenyl)hydrazono]naphthalen-2(1H)-one;1-[(E)-(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol;

Molecular Structure: