Sudan II

• CAT Number: R022052
• CAS Number: 3118-97-6
• Molecular Formula: C18H16N2O
• Molecular Weight: 276.339
• Purity: ≥95%
• Synonyms: 1-[(2,4-Dimethylphenyl)azo]-2-naphthalenol; C.I. Solvent Orange 7; Sudan Red; AF Red No. 5; Brasilazina Oil Scarlet 6G; C.I. 12140; Calco Oil Scarlet BL; Ceres Orange RR; Cerisol Scarlet G; Ext D and C Red No. 14; FD and C Red No. 32; Fast Oil Orange
• Storage: Store at -20°C
• IUPAC Name: (1Z)-1-[(2,4-dimethylphenyl)hydrazinylidene]naphthalen-2-one
• InChI: InChI=1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,19H,1-2H3/b20-18-
• InChIKey: YPXOPAFVVHXQDP-ZZEZOPTASA-N
• SMILES: CC1=CC(=C(C=C1)NN=C2C(=O)C=CC3=CC=CC=C32)C

Sudan II (Cat No.:R022052), 1 – [(2,4-dimethyl phenyl) azo] – 2-naphthol; C. I. Solvent Orange 7; Sudan red; Sudan II is a hemolytic pigment (fat-soluble dye) azo dye, which is used to dye triglycerides in frozen sections and some protein bound lipids and lipoproteins on paraffin sections. Sudan red II can also be used as a fungicide and biological stain, such as fat staining of central nervous tissue.