Aurin (P-Rosolic Acid)

  • CAS :
    603-45-2
  • REF :
    24450
QUANTITY PRICE ENQUIRY
25 gm Rs 1170.00
100 gm Rs 3550.00

Product Information

  • Formula: C₁₉H₁₄O₃ (4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadien-1-one)
  • CAS: 603-45-2
  • EC No.: 210-041-6
  • M (Molar Mass): 290.32 g/mol
  • D (Density): Not applicable (powder)
  • mp (Melting Point): 290°C (decomposes)
  • bp (Boiling Point): Not applicable
  • Optical Rotation: Not applicable

Chemicals Properties

  • Dye Content: ≥ 85%
  • Appearance: Dark green powder with a metallic luster.
  • Solubility: Slightly soluble in water giving a yellow solution; soluble in alcohol and alkali.
  • Identification (Spectrophotometric): Absorption maxima in alkaline solution conform.
  • Sensitivity as pH Indicator: Passes test (yellow 6.8 - red 8.2).
  • Loss on Drying (at 110°C): ≤ 1.0 %

Hazard Information

  • Hazard: May be harmful if swallowed.
  • Safety: For laboratory use only.
  • Storage: Store in a tightly closed container in a cool, dry place.