Metanil Yellow AR

  • CAS :
    587-98-4
  • REF :
    25754
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QUANTITY PRICE ENQUIRY
25 gm Rs 180.00
100 gm Rs 420.00

Product Information

  • Formula: C₁₈H₁₄N₃NaO₃S
  • CAS: 587-98-4
  • EC No.: 209-608-2
  • M (Molar Mass): 375.38 g/mol
  • D (Density): ~1.0 g/cm³ (approx.)
  • mp (Melting Point): Decomposes
  • bp (Boiling Point): Not applicable
  • pH Range: 1.2 (red) - 2.3 (yellow) (Acid-base indicator)

Chemicals Properties

  • Assay (Colorimetric): Suitable for use as indicator.
  • Appearance: Yellow to orange-brown powder.
  • Identification (Color Change): Passes test (red in strong acid, yellow in weak acid).
  • Solubility (in Water): Soluble, giving a yellow solution.
  • Loss on Drying: ≤ 5.0 %
  • Sensitivity Test (pH transition): Complies.

Hazard Information

  • Hazard: May be harmful if swallowed.
  • Safety: Avoid dust formation.
  • Storage: Store in a cool, dry place, tightly closed.