Potassium Tellurite

Product Description

Potassium Tellurite (K₂TeO₃) is a white to gray crystalline inorganic compound known for its strong oxidizing properties and specialized applications in microbiology, analytical chemistry, and material science. It serves as a selective agent in microbiological media, particularly for isolating Corynebacterium diphtheriae and other tellurite-reducing bacteria.
In laboratories, Potassium Tellurite is also used as a reagent, catalyst, and precursor in the preparation of tellurium compounds and advanced materials research.

Key Features

• Chemical Name: Potassium Tellurite
  • Chemical Formula: K₂TeO₃
  • CAS Number: 7790-58-1
  • Molecular Weight: 253.8 g/mol
  • Appearance: White to gray crystalline powder
  • Odor: Odorless
  • Melting Point: Decomposes above 500 °C
  • Solubility: Soluble in water; insoluble in alcohol
  • Purity: ≥99% (Analytical / Reagent Grade)
  • pH (1% Solution): Alkaline
  • Stability: Stable under normal laboratory conditions

Applications

• Microbiological Applications
  • Used as a selective agent in culture media for isolating Corynebacterium, Listeria monocytogenes, and other tellurite-reducing organisms.
  • Commonly employed in selective agar formulations, such as tellurite blood agar and cystine-tellurite agar.
• Analytical Chemistry
  • Acts as an oxidizing reagent in redox reactions and qualitative analysis.
  • Used for preparation of tellurium dioxide and other tellurium compounds.
• Materials Science & Research
  • Serves as a precursor in tellurium-based semiconductors and optical materials.
  • Useful in electronic and nanomaterial synthesis.
• Catalysis & Photochemistry
  • Utilized as a catalyst component in organic transformations and photochemical reactions.

Safety & Handling

• Hazard: Toxic if swallowed or inhaled; causes irritation to skin, eyes, and respiratory tract. Harmful to aquatic life.
  • Precautions: Handle under a fume hood with gloves, goggles, and protective clothing. Avoid inhalation of dust or ingestion.
  • Storage: Store in tightly sealed containers in a cool, dry, and well-ventilated place, away from acids and reducing agents.
  • Emergency: In case of contact, rinse thoroughly with water and seek medical attention if symptoms persist.

Why Choose Potassium Tellurite?

• High-purity reagent suitable for microbiological and analytical research.
  • Reliable performance as a selective agent in bacteriological media.
  • Stable, consistent quality for laboratory and research applications.
  • Professionally tested and securely packaged for safe handling and storage.

Price in Bangladesh

Available in laboratory and research-grade packaging (25 g, 100 g, 500 g) at competitive prices.
Bulk and institutional discounts offered for research institutions and microbiology laboratories.

Where to Buy

Potassium Tellurite can be sourced from authorized laboratory reagent suppliers and chemical distributors across Bangladesh.

Why Buy from M/S Bright Scientific Co.?

• Trusted Supplier: Serving analytical, microbiological, and industrial laboratories.
  • Guaranteed Purity: Tested and certified for reagent-grade applications.
  • Affordable Pricing: Competitive rates for retail and institutional buyers.
  • Reliable Delivery: Secure packaging and timely delivery nationwide.

Contact Information

M/S Bright Scientific Co.
📞 Phone: 01711285976