Sodium Metabisulphite 96.5% Extrapure

  • CAS :
    7681-57-4
  • REF :
    26489
QUANTITY PRICE ENQUIRY
500 gm Rs 280.00
5 kg Rs 1880.00

Product Information

  • Formula: Na₂S₂O₅
  • CAS: 7681-57-4
  • EC No.: 231-673-0
  • M (Molar Mass): 190.11 g/mol
  • D (Density): 1.48 g/cm³
  • mp (Melting Point): >150 °C (decomposes)
  • bp (Boiling Point): Not applicable
  • Optical Rotation: Not applicable

Chemicals Properties

  • Assay (Iodometric): ≥ 96.5 %
  • Appearance: White crystalline powder or granules.
  • Identification (SO₂ evolution): Passes test.
  • Solubility: Soluble in water.
  • Chloride (Cl): ≤ 0.01 %
  • Heavy Metals (as Pb): ≤ 10 ppm
  • Iron (Fe): ≤ 10 ppm

Hazard Information

  • Hazard: May cause allergy or asthma symptoms or breathing difficulties if inhaled. Harmful if swallowed. Causes skin irritation.
  • Safety: Avoid breathing dust. Use only in well-ventilated areas. Wear protective gloves and eye protection.
  • Storage: Store in a tightly closed container in a cool, dry, well-ventilated place away from oxidizing agents.