Selenium dioxide
Product Overview & Quality
- Product Name: Selenium dioxide
- Grade: Laboratory Grade (Lab Grade), With a purity reaching up to 99.5%
- Commonly used as an oxidizing agent in organic synthesis (Riley oxidation) and in the metal-finishing industry.
- Physical Properties: White to slightly yellowish crystalline powder/solid; has a pungent, sour, garlic-like odor.
- Solubility: Readily soluble in water, forming selenious acid.
Safety & Hazards (Critical)
- Classification: Highly Toxic if swallowed or inhaled; Corrosive to skin and eyes.
- Health Risks: Exposure can cause “Selenosis,” leading to damage to the liver, kidneys, and central nervous system. It causes severe chemical burns upon contact.
- Environmental Hazards: Very toxic to aquatic life with long-lasting effects.
- First Aid Measures: Immediately flush affected eyes or skin with plenty of water for at least 15 minutes. In case of inhalation or ingestion, move to fresh air and seek medical attention immediately.
Handling & Storage
- Storage: Store in a cool, dry, and well-ventilated area. Keep the container hermetically sealed as the substance is deliquescent (absorbs moisture to dissolve). Keep away from strong acids and reducing agents.
- Precautions: Full PPE is mandatory, including chemical-resistant gloves, safety goggles, and a high-efficiency respirator. Use strictly within a fume hood
