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Chromium(VI) oxide CAS#1333-82-0
Basic Information
CrO₃
dark red rhombic crystal or purplish-red flake; dark red crystalline flakes or granules
Chromium(VI) oxide, or chromium trioxide, is a dark red crystalline hexavalent chromium compound that dissolves in water to form strongly acidic oxidizing solutions. It is used in chromium electroplating, metal anti-corrosion coatings, and optical-disc production. In chemical synthesis it serves as a powerful oxidant, including Jones oxidation of primary alcohols to acids and secondary alcohols to ketones.
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Chemical Identity and Physical Form: Chromium trioxide is an inorganic hexavalent chromium compound with the formula CrO₃. It is typically supplied as dark red crystalline flakes or granules.
Water Solubility and Chemical Incompatibilities: The material dissolves in water to form strongly acidic, oxidizing solutions. Contact with alcohols, ethers, other organic materials, or reducing agents can cause violent reactions, fire, or explosion; these interactions must not be described as routine solvent compatibility.
Industrial Applications: Chromium trioxide is used in chromium electroplating, metal surface treatment, and selected chemical oxidation processes. Application suitability depends on the product grade, process controls, and applicable restrictions on hexavalent chromium.
Health, Fire, and Storage Hazards: Chromium trioxide is carcinogenic, toxic, and corrosive, and may intensify fire as a strong oxidizer. Heating can cause decomposition and oxygen release. Store separately from combustible materials and incompatible substances, and follow the current safety data sheet and applicable handling, transport, and disposal requirements.
Product Description of Chromium(VI) oxide CAS#1333-82-0
Chromium(VI) oxide, also chromium trioxide (CrO₃), is dark red rhombic crystal or purplish-red flake. It dissolves in water, alcohol, sulfuric acid and ether, but insoluble in acetone, with relative density 2.70 and melting point 196°C.
It is prepared by adding concentrated sulfuric acid into cooled concentrated sodium dichromate solution, then filtered, rinsed with nitric acid and dried at 120°C.
Product Application of Chromium(VI) oxide CAS#1333-82-0
Chromium(VI) oxide is widely used for chromium electroplating and metal anti-corrosion coatings, and also applied in optical disc production.
Parameters
Safety Information
Delivery Time
Inventory 2-3 working days New manufacturing 7-10 working days
Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
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1. What products does Shandong Junzheng Chemical supply?
We supply inorganic chemicals, organic solvents, water treatment chemicals, and surfactants, including calcium chloride, soda ash, sodium bicarbonate, caustic soda, citric acid, ethyl acetate, and SLES. Please contact us to confirm specific product availability.
2. Which industries do your products serve?
Our products serve pharmaceutical, agrochemical, dye, rubber, construction, coal processing, and other chemical industries. Product suitability depends on the required grade, specifications, and application.
3. How can I get a quotation?
Please provide the product name, CAS number, required specifications, quantity, packaging requirements, and destination port. These details help us prepare an accurate quotation.
4. How do you control product quality?
We follow strict quality testing procedures supported by technical personnel, research equipment, and an established management system. Specific quality requirements can be confirmed before placing an order.
5. Can you help me select a suitable chemical?
Yes. Our technical team can assist with product selection based on your application and required specifications. Please share your intended use and key technical requirements.
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White crystalline powder; Colorless crystals
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Caustic Soda
NaOH
Flakes; Granules; Beads; Lumps
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Crystals; Granules; Powder
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White fine powder
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XyleneXylene
Colorless liquid
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Ethyl acetateEthyl acetate
Colorless liquid
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SLES
Colorless to pale yellow viscous liquid
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MAA
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