Sudan III, redish brown powder C.I. 26100

Supplier: MP Biomedicals
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Synonyms: Sudan Red IIID and C Red No. 17Sudan Red BK1-(4-(Phenylazo)phenylazo)-2-naphtholSudan® III (Red)Sudan GCerasin RedTony RedOil scarletScarlet BOrganol® red BSFat Ponceau GOil redSolvent Red 23Sudan Red B1-((4-(Phenyldiazenyl)phenyl)diazenyl)naphthalen-2-olSudan V

ICNA0215208725EA 113 GBP
ICNA0215208725 ICNA0215208780
Sudan III, redish brown powder C.I. 26100
Sudan III

Sudan III is used in Coloring oils, sprit, lacquers etc; also as stain for zoological, pathological and vegetable objects like wax, cutin, resin, contents of lactiferous ducts etc, which are colored red, while cellulose membranes remain uncolored. Approved by FDA for external use only.


Insoluble in water; soluble in chloroform, glacial acetic acid; moderately soluble in alcohol, ether, acetone, fixed and volatile oils, hot glycerol. Clear red solution at 1 mg/ml in toluence.


Caution: Research Use Only (RUO).

Formula: C₂₂H₁₆N₄O
MW: 352.4 g/mol
Melting Pt: 195 °C
Storage Temperature: Ambient
MDL Number: MFCD00003905
CAS Number: 85-86-9

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Specification Test Results

Identity Test Passes
UV/Vis: λmax (acetone) 502 - 510 nm

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