Pigment Red 266 structure

Pigment Red 266

4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide

Also Known As: Pigment Red 266|Naphthol red 2r|PigmentRed266|C.I. Pigment red 266|C.I.Pigment red 215|C.I.Pigment Red 210|HY-D0549|EC 253-292-9|CI 12474|2-Naphthalenecarboxamide, 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)-|C.I. 12474|J1.759.751E|968N271|Benzol-cis-diazohydroxid, Benzol-normaldiazohydroxid|2-Naphthalenecarboxamide, 3-hydroxy-4-((4-phenylcarboxyamide)azo)-N-(2-methoxyphenyl)-|4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide|4-[[4-(Aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide|2-Hydrosy-1-((4-carboxamidophenyl)azo)-N-(2-methoxyphenyl)-3-naphthalenecarboxamide|2-Naphthalenecarboxamide, 4-((4-(aminocarbonyl)phenyl)azo)-3-hydroxy-N-(2-methoxyphenyl)-|4-((4-(Aminocarbonyl)phenyl)azo)-3-hydroxy-N-(2-methoxyphenyl)-2-naphthalenecarboxamide|2-Naphthalenecarboxamide, 4-(2-(4-(aminocarbonyl)phenyl)diazenyl)-3-hydroxy-N-(2-methoxyphenyl)-|2-Naphthalenecarboxamide, 4-[2-[4-(aminocarbonyl)phenyl]diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-|4-((4-(Aminocarbonyl)phenyl)azo)-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide|N-(2-Methoxyphenyl)-3-hydroxy-4-(4-carbamoylphenylazo)-2-naphthamide|2-Naphthalenecarboxamide, 4-[[4-(aminocarbonyl)phenyl] azo]-3-hydroxy-N-(2-methoxyphenyl)-|2-Naphthalenecarboxamide, 4-4-(aminocarbonyl)phenylazo-3-hydroxy-N-(2-methoxyphenyl)-|4-[[4-(Aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthalenecarboxamide|N-(2-Methoxyphenyl)-3-oxo-4-[2-(4-carbamoylphenyl)hydrazono]naphthalene-2-carboxamide|(4Z)-4-[(4-carbamoylphenyl)hydrazinylidene]-N-(2-methoxyphenyl)-3-oxonaphthalene-2-carboxamide|253-292-9|4-[2-(4-CARBAMOYLPHENYL)DIAZEN-1-YL]-3-HYDROXY-N-(2-METHOXYPHENYL)NAPHTHALENE-2-CARBOXAMIDE

CAS: 36968-27-1
Molecular Formula C25H20N4O4
Molecular Weight 440.14847 g/mol
LogP 4.8
Topological Polar Surface Area 126.0 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 6
Rotatable Bonds 6
Exact Mass 440.14847
Monoisotopic Mass 440.14847
Heavy Atoms 33
Complexity 709.0

Chemical Identifiers

CAS Number 36968-27-1
SMILES COC1=CC=CC=C1NC(=O)C2=CC3=CC=CC=C3C(=C2O)N=NC4=CC=C(C=C4)C(=O)N
InChIKey HULNYTPFPARJMG-UHFFFAOYSA-N

Product Overview

Pigment Red 266 (CAS 36968-27-1), with molecular formula C25H20N4O4 and molecular weight 440.14847 g/mol. IUPAC: 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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