Oil red O is a fat-soluble bis(azo) dye, specifically a 2-naphthol derivative substituted with arylazo groups. It is predominantly used as a histological dye for demonstrating triglycerides in frozen tissue sections and for staining protein-bound lipids in paraffin sections.
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CAS 1320-06-5
Permanent purple
Pigment for paints plastics inks rubber
[4-[bis[4-(diethylamino)phenyl]methylidene]naphthalen-1-ylidene]-ethylazanium
pigment for printing inks and paints
Rhodamine B Lake
purple pigment for coloring
Vat Black 1
Vat dye for textiles
Sudan III
biological stain and histological dye
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, disodium salt
Acid dye for textiles and histology
Acid Red 151
synthetic acid dye
1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]diazenyl]naphthalen-2-ol
NPGIHFRTRXVWOY-UHFFFAOYSA-N
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