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Pigment red 21

View entire compound with spectra: 1 NMR, and 2 FTIR

Pigment red 21
SpectraBase Compound ID HVqfanIqsNR
InChI InChI=1S/C23H16ClN3O2/c24-19-12-6-7-13-20(19)26-27-21-17-11-5-4-8-15(17)14-18(22(21)28)23(29)25-16-9-2-1-3-10-16/h1-14,28H,(H,25,29)/b27-26+
InChIKey XNANGTRPTFPPPE-CYYJNZCTSA-N
Mol Weight 401.85 g/mol
Molecular Formula C23H16ClN3O2
Exact Mass 401.093104 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID E4kNOYiX7n3
Name PIGMENT RED 21
Classification Scholl= ORGANIC PIGMENT
Color Properties Colour Index Name= PIGMENT RED 21 Colour Index Number= 12300
Compound Type Pure
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
InChI InChI=1S/C23H16ClN3O2/c24-19-12-6-7-13-20(19)26-27-21-17-11-5-4-8-15(17)14-18(22(21)28)23(29)25-16-9-2-1-3-10-16/h1-14,28H,(H,25,29)/b27-26+
InChIKey XNANGTRPTFPPPE-CYYJNZCTSA-N
Sample Description MONOAZO PIGMENT - CC beta-HYDROXYNAPHTHOIC-ARYLIDE (BHNA-ARYLIDE)
Source of Spectrum SRL 257 2-CHLOROANILINE -> BHNA-ANILIDE
Technique KBr WAFER