Sudan I ≥95% (dye content), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
Warning

Synonyms: Solvent Yellow 141-(Phenyldiazenyl)naphthalen-2-olSudan YellowScarlet BOil Orange1-Phenylazo-2-naphthol

M-Clarity™ quality level = MQ200

103624-100GEA 85.3 GBP
103624-100G 103624-25G
Sudan I ≥95% (dye content), Sigma-Aldrich®
Sudan I

Sudan I is a lysochrome, a diazo-conjugate dye, used as an industrial dye, added to products such as waxes, oils, petrol, solvents and polishes. Sudan I is a category three carcinogen previously, now banned, used to colour certain foodstuffs. It can be used as a diagnostic assay manufacturing, hematology, histology.

Formula: C₁₆H₁₂N₂O
MW: 248,28 g/mol
Boiling Pt: 444 °C (1013 hPa)
Melting Pt: 131,..133 °C
Density: 0,32 g/cm³ (20 °C)
Flash Pt: >290 °C (closed cup)
Storage Temperature: Room Temperature
MDL Number: MFCD00003911
CAS Number: 842-07-9
EINECS: 212-668-2
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Specification Test Results

Appearance (Colour) Orange to very dark orange and orange-red and red-orange and dark red-orange
Appearance (Form) Powder
Solubility (Colour) Orange to very dark orange and red to very dark red and orange-red and red-orange
Solubility (Turbidity) Clear to very slightly hazy
Carbon Content 72.8 - 82.0 %
Nitrogen Content 10.6 - 11.9 %
Infrared Spectrum Conforms to Structure
Wavelength (1)(UV) 461.0 - 491.0 nm
Molar Absorbancy Index (1)(UV) ≥11000
Wavelength (2)(UV) 299.0 - 319.0 nm
Molar Absorbancy Index (2)(UV) ≥6000
Wavelength (3)(UV) 223.0 - 233.0 nm
Molar Absorbancy Index (3)(UV) ≥30000
Solvent (UV) C = 0.01 g/l; Ethanol Conforms

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