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Chromium(VI) oxide CAS#1333-82-0

Chromium(VI) oxide CAS#1333-82-0

Basic Information

Chromium(VI) oxide (CAS#1333-82-0), also known as chromium trioxide, is a dark red crystalline inorganic compound with the formula CrO₃. It is used in chromium electroplating, metal surface treatment, and selected oxidation processes. This hexavalent chromium compound is carcinogenic, corrosive, and a strong oxidizer that may cause fire or explosion upon contact with combustible materials. Handling, storage, transport, and disposal require appropriate controls and compliance with applicable regulations.

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product description

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.


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Q1: Is Jingrui Yake a factory or a trading company?
A: Jingrui Yake is a professional chemical trading and export company specializing in international chemical product trade and export services. We are not limited to products from a single factory. By leveraging China’s chemical industry clusters and integrating resources from qualified suppliers, we provide centralized procurement solutions covering multiple product categories, origins, and batches. Our strength lies in professional international trade services, including documentation, logistics, and compliance, ensuring a smooth and reliable purchasing process from China.


Q2: How do you ensure transaction security when working with Jingrui Yake?
A: We strictly follow international trade rules, including Incoterms® 2020, and accept common payment methods such as Letters of Credit (L/C) and Telegraphic Transfer (T/T). For first-time customers, we support small trial orders and can specify quality terms, arbitration clauses, and applicable laws in the contract. Our risk-control procedures help customers manage common risks such as exchange-rate fluctuations, shipping delays, and document discrepancies.


Q3: Which markets do you mainly serve?
A: Our products are exported to Southeast Asia, the Middle East, Europe, the Americas, Africa, and other regions. Our customers include plastic manufacturers, chemical fiber companies, coating producers, chemical distributors, and end users. We have experience handling the import regulations, certification requirements, and customs procedures of different markets.

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