Product Overview

Chromium(VI) oxide (CrO₃), also known as chromium trioxide or chromic anhydride, is a dark red to purplish solid widely used as a powerful oxidizing agent in industrial and research settings. Our high-purity Chromium(VI) oxide meets stringent quality standards and is available in various grades for applications such as electroplating, organic synthesis, pigment production, and metal finishing. Due to its potent oxidizing properties and unique chemical behavior, Chromium(VI) oxide is an essential reagent in both laboratory and large-scale industrial processes.

Key Properties and Technical Specifications

• Chemical Formula: CrO₃

• Molecular Weight: Approximately 99.99 g/mol

• Appearance: Dark red to purple crystalline powder or flakes

• Melting Point: ~196 °C

• Density: ~2.7 g/cm³

• Solubility: Highly soluble in water (forms strongly acidic solutions) and in certain organic solvents (e.g., alcohols, sulfuric acid)

• Grade: ACS reagent, ≥ 98% purity (assay by titration)

• CAS Number: 1333-82-0

• Hazard Classification: Strong oxidizer, corrosive, and known human carcinogen (IARC Group 1)

Applications

Chromium(VI) oxide is utilized in a variety of industries due to its versatile oxidizing properties:

• Electroplating and Metal Finishing:
  Used to deposit chromium coatings that provide superior corrosion resistance and aesthetic appeal in automotive, aerospace, and hardware manufacturing.

• Organic Synthesis:
  Employed as an oxidizing reagent for the transformation of primary alcohols to aldehydes and secondary alcohols to ketones (e.g., Jones oxidation), making it valuable for pharmaceutical and fine chemical production.

• Pigment Production:
  Serves as a key raw material in the manufacturing of vibrant, durable pigments for paints, inks, and plastics.

• Glass and Ceramics:
  Applied in the production of colored glass and ceramics, where its stability and oxidation potential improve product quality.

• Environmental Applications:
  Utilized in certain wastewater treatment processes to remove contaminants by oxidation.

Safety and Handling

Due to its high toxicity and oxidizing nature, strict safety measures are required when handling Chromium(VI) oxide:

• Personal Protective Equipment (PPE):
  Always wear protective gloves, lab coat, safety goggles, and a respirator approved for chromium compounds.

• Engineering Controls:
  Use in well-ventilated areas or fume hoods to minimize inhalation of dust or vapors.

• Storage:
  Store in tightly sealed, corrosion-resistant containers in a cool, dry, and well-ventilated area away from combustible or reducing materials.

• First Aid Measures:
  In case of contact, immediately rinse affected areas with plenty of water for at least 15 minutes and seek medical assistance. Inhalation or ingestion requires immediate medical attention.

Regulatory and Environmental Information

Chromium(VI) oxide is a regulated substance due to its carcinogenic and toxic properties. It is subject to strict handling, storage, and disposal guidelines under various international regulations (e.g., OSHA, REACH, TSCA). Proper waste disposal practices must be followed to prevent environmental contamination, especially given its high toxicity to aquatic life.

Why Choose Our Chromium(VI) Oxide?

• Quality Assurance:
  Our product is manufactured under rigorous quality control procedures, ensuring consistent purity and performance.

• Wide Availability:
  Offered in multiple packaging sizes—from laboratory-scale samples to bulk quantities—suitable for both research and industrial use.

• Expert Support:
  Our technical team is available to provide detailed guidance on safe handling and optimal usage for your specific applications.

Contact Us

For more information, sample requests, or custom quotes, please contact our technical sales team:

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