Azocarmine G, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
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M-Clarity™ quality level = MQ100

A1091-10G A1091-25G
A1091-10GEA 139 GBP
A1091-10G A1091-25G
Azocarmine G, Sigma-Aldrich®
Azocarmine G

Standard stain for microscopy. It may be also be used as a reference standard in the determination of azocarmine G in food products and beverages using high performance liquid chromatography coupled with diode array detector (HPLC-DAD).


  • Azocarmine G is a synthetic dye, commonly used in food and beverages to restore their original appearance, in situations where, the color is affected by processing, storage, packaging and distribution
  • Azocarmine G is useful for protein determination in acidic medium. It is indicated by the formation of purple-red complex
  • Azocarmine G may be used as a reference standard for the determination of the analyte in food and beverages using high-performance liquid chromatography coupled with diode-array detector (HPLC-DAD)

Formula: C₂₈H₁₇N₃Na₂O₆S₂
Storage Temperature: Room Temperature
MDL Number: MFCD00042002
CAS Number: 25641-18-3
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Specification Test Results

Appearance (Form) Powder
Solubility (Colour) Red or Purple
Solubility (Method) 1 mg/ml in water
Uv-Vis Spectrum E1%=210-350 At 510-524Nm In Water

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