Selenium powder black 99.5% Extrapure

  • CAS :
    7782-49-2
  • REF :
    26339
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QUANTITY PRICE ENQUIRY
100 gm Rs 3450.00
500 gm Rs 14370.00

Product Information

  • Formula: Se
  • CAS: 7782-49-2
  • EC No.: 231-957-4
  • M (Molar Mass): 78.96 g/mol
  • D (Density): 4.28 g/cm³ (amorphous black)
  • mp (Melting Point): Converts to grey at ~180°C, melts at 221°C
  • bp (Boiling Point): 685 °C
  • Optical Rotation: Not applicable

Chemicals Properties

  • Assay (Iodometric): ≥ 99.5 %
  • Appearance: Black, fine amorphous powder.
  • Metallic Impurities (Total): ≤ 0.5 %
  • Tellurium (Te): ≤ 0.1 %
  • Sulfur (S): ≤ 0.2 %
  • Acidity (as H₂SeO₃): ≤ 0.01 %

Hazard Information

  • Hazard: Toxic if swallowed, in contact with skin or if inhaled. May cause damage to organs through prolonged or repeated exposure.
  • Safety: Do not breathe dust. Use only in a fume hood. Wear protective gloves, clothing, eye protection, and face protection.
  • Storage: Store in a tightly closed container in a cool, dry, well-ventilated place.