Nessler's Reagent (King's) (For testsing serum urea nitrogen)

  • CAS :
  • REF :
    25874
QUANTITY PRICE ENQUIRY
100 ml Rs 400.0
500 ml Rs 1225.0

Product Information

Formula: K₂HgI₄ in KOH solution CAS: 7783-33-7 (Potassium tetraiodomercurate(II)) EC No.: Not specified M (Molar Mass): 786.40 g/mol (K₂HgI₄) D (Density): ~1.20 g/cm³ (solution) mp (Melting Point): Not applicable bp (Boiling Point): Not applicable Optical Rotation: Not applicable

Chemicals Properties

Composition: Alkaline solution of potassium tetraiodomercurate(II) Appearance: Clear, pale yellow to amber solution Sensitivity Test: Produces yellow to brown color/ppt with 0.005 mg N as NH₃ Clarity: Clear, no precipitate Alkali Strength: ~2.5 N KOH Heavy Metals (other than Hg): Complies with test Ammonia Test: Should not produce color with ammonia-free water

Hazard Information

Hazard: Very toxic to aquatic life. Contains mercury. Causes severe skin burns and eye damage Safety: Use only in a fume hood. Wear protective gloves/protective clothing/eye protection/face protection Storage: Store in a cool place in a tightly closed, amber glass bottle. Protect from light and CO₂