Sudan IV

Molecular Formula
C24H20N4O
Catalog Number
SU120
Supplier/Brand
Spectrum Chemical
CAS Number
85-83-6

Sudan IV is a lysochrome (fat-soluble dye) diazo dye used for the staining of lipids, triglycerides and lipoproteins on frozen paraffin sections. It has the appearance of reddish brown crystals with melting point 199 DEG C and maximum absorption at 520(357) nm.


Synonyms: Solvent Red 24 ; Scarlet Red, Oil Soluble

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2023