|
HS Code |
302420 |
| Chemical Name | Chromium Trioxide [Anhydrous] |
| Chemical Formula | CrO3 |
| Molar Mass | 99.99 g/mol |
| Cas Number | 1333-82-0 |
| Appearance | Dark purple to red flakes or granular solid |
| Melting Point | 197 °C |
| Boiling Point | 250 °C (decomposes) |
| Density | 2.7 g/cm³ |
| Solubility In Water | Readily soluble |
| Odor | Odorless |
| Ph 1 Solution | <1 (strongly acidic) |
| Un Number | 1463 |
| Hazard Class | 5.1 (oxidizer), 6.1 (toxic) |
| Stability | Stable under recommended storage conditions |
As an accredited Chromium Trioxide [Anhydrous] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Chromium Trioxide [Anhydrous], 500g, supplied in a sealed, corrosion-resistant HDPE bottle with tamper-proof cap, labeled with hazard warnings. |
| Shipping | Chromium Trioxide [Anhydrous] is shipped as a hazardous material, classified as an oxidizer (UN 1463). It must be securely packed in tightly sealed, corrosion-resistant containers. Transport requires clear labeling, secondary containment, and compliance with regulations for toxic and corrosive substances to prevent leaks, spills, and exposure. Specialized carriers are recommended. |
| Storage | Chromium Trioxide [Anhydrous] should be stored in a tightly sealed, corrosion-resistant container, clearly labeled, in a cool, dry, well-ventilated area away from combustibles, reducing agents, organic materials, and strong bases. Protect from moisture and direct sunlight. Store in a dedicated location for oxidizers, with proper spill containment and access restricted to trained personnel. Regularly inspect containers for signs of leaks or degradation. |
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Purity 99.9%: Chromium Trioxide [Anhydrous] with 99.9% purity is used in electroplating processes, where it ensures high-quality corrosion-resistant chrome coatings. Melting Point 197°C: Chromium Trioxide [Anhydrous] with a melting point of 197°C is used in metal surface passivation, where it promotes effective chromium film formation. Particle Size <50 μm: Chromium Trioxide [Anhydrous] with particle size below 50 μm is utilized in catalyst preparation, where it provides increased surface area for catalytic reactions. Stability Temperature 300°C: Chromium Trioxide [Anhydrous] with stability up to 300°C is employed in glass manufacturing, where it imparts durable green coloration to glass products. Oxidizing Power 1.36 V: Chromium Trioxide [Anhydrous] with an oxidizing power of 1.36 V is applied in organic synthesis, where it enables efficient oxidation of alcohols to aldehydes and ketones. Moisture Content <0.5%: Chromium Trioxide [Anhydrous] with moisture content below 0.5% is used in laboratory reagent applications, where it ensures precise and reliable analytical results. Bulk Density 1.2 g/cm³: Chromium Trioxide [Anhydrous] with bulk density of 1.2 g/cm³ is integrated in wood preservation treatments, where it enhances penetration and long-term protection against decay. Solubility 50 g/100 mL (water, 25°C): Chromium Trioxide [Anhydrous] with solubility of 50 g/100 mL at 25°C is used in etching solutions for electronic components, where it achieves uniform and controlled material removal. |
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