198102

Sudan IV

Certified Biological Stain Commission,Dye content ≥80 %

• Synonym(s): Biebrich scarlet R fat soluble, Fat Ponceau R or 4, Lipid Crimson, Oil Red IV, Scarlet Red Scharlach, Solvent Red 24, Sudan R or BB
• Empirical Formula (Hill Notation): C₂₄H₂₀N₄O
• CAS Number: 85-83-6
• Molecular Weight: 380.44
• Colour Index Number: 26105
• Beilstein/REAXYS Number: 709018
• EC Number: 201-635-8
• MDL number: MFCD00003893
• UNSPSC Code: 12171500
• PubChem Substance ID: 24851862
• NACRES: NA.47

Properties

• form: powder
• Quality Level: 100
• composition: Certified Biological Stain Commission,Dye content, ≥80%
• technique(s): microbe id | staining: suitable
• mp: 199 °C (dec.) (lit.)
• λmax: 357 nm (2nd); 520 nm
• ε (extinction coefficient): ≥12000 at 356-360 nm in toluene at 0.008 g/L; ≥26000 at 519-523 nm in toluene at 0.008 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: Cc1ccccc1\N=N\c2ccc(\N=N\c3c(O)ccc4ccccc34)c(C)c2
• InChI: 1S/C24H20N4O/c1-16-7-3-6-10-21(16)26-25-19-12-13-22(17(2)15-19)27-28-24-20-9-5-4-8-18(20)11-14-23(24)29/h3-15,29H,1-2H3/b26-25+,28-27+
• InChI key: RCTGMCJBQGBLKT-PAMTUDGESA-N

Description

General description

Sudan IV is a hydrophobic azo dye.[1][2] It stains triglycerides and imparts an intense red color. The dye does not stain lipid droplets or phospholipids.[3]

Application

Sudan IV has been used to in en-face staining of aorta, stains the lipid rich plaques.[4] It has also been used to stain lipids atherosclerotic lesions of mice.[4][5]

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H317
• pcodes: P261 - P272 - P280 - P302 + P352 - P333 + P313 - P362 + P364
• Hazard Classifications: Skin Sens. 1A
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves