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Chromium(VI) oxide, 99%, Thermo Scientific Chemicals
Description
It is widely used in chromium electroplating, and as protective coatings in corrosion/oxidation resistance of metals. It is also employed in CDs and DVDs. It is useful as an oxidant in Jones oxidation in acetic acid or acetone. It is used in the oxidation of primary alcohols into carboxylic acids, and secondary alcohols into ketones. With phosphoric acid, it is used as a stripping agent for anodic coatings of all types and in the production of syntheric rubies.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Specifications
| Boiling Point | 250°C (decomposition) |
| Melting Point | 196°C |
| Physical Form | Crystalline |
| Quantity | 250 g |
| Assay Percent Range | 99% |
| Solubility Information | Very soluble in water. Soluble in sulfuric,nitric acid,acetic acid,and acetone. |
| Formula Weight | 99.99 |
| Sensitivity | Hygroscopic |
| Appearance | Dark red crystals |
| Density | 2.7 g/cm3 |
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Safety and Handling
- Chromium(VI) oxide
- Danger
- Acute toxicity Category 2
- Acute toxicity Category 3
- LONG-TERM AQUATIC HAZARD Chronic 1
- ACUTE AQUATIC Acute 1
- Carcinogenicity Category 1A
- Serious eye damage/eye irritation Category 1
- Germ cell mutagenicity Category 1B
- Oxidising solid Category 1
- Reproductive toxicity Category 2
- Respiratory sensitiser Category 1
- Skin corrosion/irritation Category 1 A
- Skin sensitiser Category 1
- Specific target organ toxicity Category 1
- Specific target organ toxicity Category 3
- H271-May cause fire or explosion; strong oxidiser.
- H301-Toxic if swallowed.
- H310-Fatal in contact with skin.
- H314-Causes severe skin burns and eye damage.
- H317-May cause an allergic skin reaction.
- H318-Causes serious eye damage.
- H330-Fatal if inhaled.
- H334-May cause allergy or asthma symptoms or breathing difficulties if inhaled.
- H335-May cause respiratory irritation.
- H340-May cause genetic defects.
- H350-May cause cancer.
- H361f-Suspected of damaging fertility.
- H372-Causes damage to organs.
- H400-Very toxic to aquatic life.
- H410-Very toxic to aquatic life with long lasting effects.
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310-Immediately call a POISON CENTER/doctor/.
- P371+P380+P375-In case of major fire and large quantities: Evacuate area Fight fire remotely due to the risk of explosion.
- MIXTURE LIST-Contains : Chromium trioxide
RUO – Research Use Only