Selenium Dioxide (Sublimed)

Product Description

Selenium Dioxide (SeO₂) is a white to off-white crystalline solid or sublimed powder, known for its strong oxidizing and dehydrating properties. It is widely used in organic synthesis, analytical chemistry, glass manufacturing, and metallurgy.
This compound serves as a powerful oxidizing reagent, especially in the oxidation of allylic and benzylic compounds in organic chemistry. In analytical laboratories, Selenium Dioxide is used for spectroscopic calibration, elemental analysis, and reagent preparation.

Key Features

• Chemical Name: Selenium Dioxide
  • Chemical Formula: SeO₂
  • CAS Number: 7446-08-4
  • Molecular Weight: 110.96 g/mol
  • Appearance: White to off-white crystalline or sublimed powder
  • Odor: Pungent, acidic odor
  • Solubility: Soluble in water and alcohol; forms selenious acid in aqueous solution
  • Purity: ≥99% (Analytical / Reagent Grade)
  • Melting Point: 340°C (sublimes)
  • Stability: Stable under normal conditions; decomposes at high temperature to elemental selenium and oxygen

Applications

Organic & Analytical Chemistry

• Used as a selective oxidizing agent for converting allylic and benzylic methylene groups to carbonyl compounds.
  • Serves as a reagent in spectrophotometric and gravimetric analyses.
  • Employed in the determination of arsenic and other trace elements.
  • Utilized as a precursor for preparing other selenium compounds, including selenates and selenides.

Industrial & Glass Manufacturing

• Used as a decolorizing and coloring agent in glass and ceramics production.
  • Applied in metal surface treatment and electronic material fabrication.

Catalysis & Research

• Functions as a catalyst in oxidation–reduction reactions.
  • Commonly used in synthetic chemistry and photochemical studies.

Safety & Handling

• Hazard: Toxic by inhalation, ingestion, or skin absorption. Causes irritation to eyes, respiratory system, and mucous membranes.
  • Precautions: Handle only in a fume hood with gloves, goggles, and protective clothing. Avoid breathing vapors or dust.
  • Storage: Store in a tightly sealed, corrosion-resistant container in a cool, dry, and well-ventilated area, away from combustible materials.
  • Emergency: In case of contact or inhalation, move to fresh air and seek immediate medical attention.

Why Choose Selenium Dioxide (Sublimed)?

• High-purity analytical and reagent-grade compound.
  • Excellent oxidizing performance and sublimation purity.
  • Suitable for organic synthesis, catalysis, and analytical chemistry.
  • Professionally tested and securely packaged for consistent quality and safety.

Price in Bangladesh

Available in 25 g, 100 g, 500 g, and 1 kg laboratory-grade packaging at competitive prices.
Bulk and institutional discounts available for industrial, research, and academic applications.

Where to Buy

Selenium Dioxide (Sublimed) is available from certified laboratory chemical suppliers and industrial reagent distributors across Bangladesh.

Why Buy from M/S Bright Scientific Co.?

• Trusted Supplier: Serving research, industrial, and educational laboratories.
  • Guaranteed Purity: Verified for analytical and reagent-grade use.
  • Affordable Pricing: Competitive rates for small and bulk orders.
  • Reliable Delivery: Fast, safe, and nationwide supply network.

Contact Information

M/S Bright Scientific Co.
📞 Phone: 01711285976