S4131

Sudan III

Dye content, ≥85%, technical grade, powder

• Synonym(s): 1-[4-(Phenylazo)phenylazo]-2-naphthol, Cerasin Red, Fat Ponceau G, Fat Soluble Sudan, Scarlet B, Solvent Red 23, Sudan G, Sudan Red BK, Tony Red
• Empirical Formula (Hill Notation): C₂₂H₁₆N₄O
• CAS Number: 85-86-9
• Molecular Weight: 352.39
• Colour Index Number: 26100
• Beilstein/REAXYS Number: 931185
• EC Number: 201-638-4
• MDL number: MFCD00003905
• UNSPSC Code: 12171500
• PubChem Substance ID: 24899586
• NACRES: NA.47

Properties

• product name: Sudan III, Technical grade
• grade: technical grade
• Quality Level: 200
• form: powder
• composition: Dye content, ≥85%
• mp: 199 °C (dec.) (lit.)
• solubility: chloroform: 1 mg/mL, clear, red
• λmax: 508-512 nm in ethanol
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: Oc1ccc2ccccc2c1\N=N\c3ccc(cc3)\N=N\c4ccccc4
• InChI: 1S/C22H16N4O/c27-21-15-10-16-6-4-5-9-20(16)22(21)26-25-19-13-11-18(12-14-19)24-23-17-7-2-1-3-8-17/h1-15,27H/b24-23+,26-25+
• InChI key: FHNINJWBTRXEBC-QSZPNPOGSA-N

Description

General description

Sudan III is a non-ionic lipophilic dye. It belongs to the class of azo dyes. Sudan III is used for tissue ceroid and lipofuscin analysis and blood-cell staining. It is used to color waxes, oils and spirit varnishes. Sudan III stains triglycerides in frozen sections.

Application

Sudan III has been used as an absorber to make turbid phantoms. It has also been used as a colorant to determine emulsification capacity.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)