2,4-Dinitrophenol Indicator 99% AR

  • CAS :
    51-28-5
  • REF :
    25141
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QUANTITY PRICE ENQUIRY
25 gm Rs 200.00
100 gm Rs 630.00

Product Information

  • Formula: C₆H₄N₂O₅
  • CAS: 51-28-5
  • EC No.: 200-087-7
  • M (Molar Mass): 184.11 g/mol
  • mp (Melting Point): 112-114°C
  • pH Transition Range: 2.6 (colorless) to 4.4 (yellow)
  • Solubility: Slightly soluble in water; soluble in ethanol, NaOH solution

Chemicals Properties

  • Assay (HPLC): ≥ 99.0%
  • Appearance: Yellow crystalline powder
  • Melting Range: 111-115°C
  • Identification (IR): Passes test
  • Loss on Drying: ≤ 0.5%
  • Sulfated Ash: ≤ 0.1%
  • Heavy Metals (as Pb): ≤ 20 ppm
  • pH Transition: Clear change from colorless to yellow
  • Solubility in Ethanol: ≥ 95% soluble
  • Nitrogen Content: 15.0-15.5%
  • Indicator Performance: Satisfactory for pH determination
  • Color in Alkali: Yellow

Hazard Information

  • Hazard: Toxic if swallowed. May cause explosion if shocked or heated.
  • Safety: Handle with care. Avoid friction, shock, and heat.
  • Storage: Store in tightly closed container in cool, dry place away from combustibles.