Barium chromate, named barium tetraoxochromate(VI) by the IUPAC, is a yellow sand-like powder with the formula BaCrO4. It is a known oxidising agent and produces a green flame when heated, a result of the barium ions. Barium chromate (BaCrO4) is commonly used as a pigment in paints, ceramics, and glass, providing vibrant colour and corrosion resistance. It is also employed in safety matches, as an oxidising agent, and in pyrotechnics. It is considered hazardous due to its toxicity and potential carcinogenic properties, requiring careful handling and adherence to safety regulations to avoid health risks.

Photo of Barium Chromate
CAS Number: 10294-40-3
UN Number: 1564
Hazard Class: 6.1
Packing Group: III
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Physical properties of Barium Chromate

Physical State: Fine powder
Appearance: Yellow
Odor: Odourless
Odor Threshold: No information available
pH: No information available
Melting Point / Range: 210°C (415°F)
Boiling Point / Range: No information available
Molecular Formula: No information available
Molecular Weight: No information available

What is the CAS Number of Barium Chromate?

The CAS number of Barium Chromate is 10294-40-3

What is the UN Number of Barium Chromate?

The UN Number of Barium Chromate is 1564

What is the Hazard Class of Barium Chromate?

The Hazard Class of Barium Chromate is 6.1

What is the Packing Group of Barium Chromate?

The Packing Group of Barium Chromate is III

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Safety Information for Barium Chromate

You can access comprehensive safety details for Barium Chromate in our MSDS (material safety data sheet) provided below. This resource covers essential information regarding first aid, inadvertent spills, fire response, handling and storage guidelines, personal protective measures, and additional details. Prioritise acquainting yourself with potential hazards associated with its handling.

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Barium chromate is a hazardous substance with significant associated risks. It is an oxidiser, which means it can intensify fires. It is toxic if swallowed and harmful if inhaled. Additionally, barium chromate is a known carcinogen and may cause cancer. It can also cause allergic skin reactions.

To mitigate these risks, it is essential to follow strict precautionary measures. Before use, obtain special instructions and ensure all safety precautions are understood. Keep barium chromate away from heat and combustible materials. Avoid breathing dust, fumes, gas, mist, vapours, or spray, and wash your skin thoroughly after handling. Do not eat, drink, or smoke while using this product, and ensure it is used only in well-ventilated areas. Protective gloves, clothing, eye protection, and face protection should be worn.

In case of ingestion, seek medical attention and rinse the mouth immediately. If inhaled, move to fresh air and seek medical attention if you feel unwell. If exposed, get medical advice/attention. In case of fire, use dry sand, dry chemical, or alcohol-resistant foam to extinguish. Dispose of contents and containers at an approved waste disposal plant.

Given these hazards, it is crucial to handle barium chromate with extreme care, adhering to all safety guidelines to ensure safe usage.