Selenium powder black 99.5% Extrapure

  • CAS :
    7782-49-2
  • REF :
    26339
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QUANTITY PRICE ENQUIRY
100 gm Rs 3750.0
500 gm Rs 15625.0

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.