1.11747

Sudan III, C.I. 26100

• Synonym(e): Sudan III, C.I. 26100, 1-(4-Phenylazophenylazo)-2-naphthol
• Empirische Formel (Hill-System): C₂₂H₁₆N₄O
• CAS-Nummer: 85-86-9
• Molekulargewicht: 352.39
• UNSPSC Code: 12352104
• EC Index Number: 201-638-4
• NACRES: NB.21
• MDL number: MFCD00003905

Eigenschaften

• form: solid
• Quality Segment: 200
• loss: ≤2% loss on drying, 110°C
• mp: 199 °C (decomposition)
• λmax: 506-512 nm in toluene
• storage temp.: 2-30°C
• SMILES string: N(\N=C3\c4c(cccc4)C=CC\3=O)c1ccc(cc1)N=Nc2ccccc2
• 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/h1-15,25H/b24-23?,26-22-
• InChI key: HTPQPMPFXUWUOT-SRURNFRUSA-N

Beschreibung

Application

Sudan III is a non-ionic fat-soluble dye (lysochrome) that belongs to the class of azo-dye. It is predominantly used for staining lipids, triglycerides, and intracellular lipoproteins. It is also used for coloring textiles, plastics wax, floor polish, varnish, spirit lacquers, externally applied drugs, cosmetics, and contact lenses.[1][2]

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max. (toluene): 506 - 512 nm
Spec. Absorptivity A 1%/1cm (λ_max.; 0.005 g/l; Toluol): ≥ 750
TLC-Test: passes test
Loss on drying (110 °C): ≤ 2 %

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• pictograms: GHS08,GHS07
• signalword: Warning
• hcodes: H317,H341,H351,H413
• pcodes: P202 - P261 - P273 - P280 - P302 + P352 - P308 + P313
• Hazard Classifications: Aquatic Chronic 4 - Carc. 2 - Muta. 2 - Skin Sens. 1