CAS 840504-21-4 Safety Reference and Supplier SDS Request

• Avoid contact with skin and eyes.
• Avoid dust and aerosol formation; provide suitable exhaust ventilation where dust may be generated.
• Store tightly closed, dry, and in a well-ventilated place.
• Confirm supplier SDS before handling, storage, transport, or workplace use.
• Wear chemical safety glasses with side shields or equivalent eye protection.
• Wear suitable protective gloves and inspect gloves before use.
• Wear protective clothing selected for the workplace hazard level.
• Use appropriate respiratory protection if risk assessment or supplier SDS requires it.
• Dispose of contents and containers through a licensed chemical waste contractor.

• If inhaled, move the person to fresh air and obtain medical advice when symptoms occur.
• For skin contact, wash with soap and plenty of water.
• For eye contact, rinse cautiously with water for several minutes and obtain medical advice.
• If swallowed, rinse mouth with water; do not give anything by mouth to an unconscious person.
• Use personal protective equipment and ensure adequate ventilation during cleanup.
• Avoid dust formation and avoid breathing vapors, mist, gas, or dust.
• Prevent release to drains where supplier SDS indicates environmental precautions.
• Collect material without creating dust and place it in a suitable closed container for disposal.
• Dispose of contents and containers through a licensed chemical waste contractor.

• Use extinguishing media appropriate to the surrounding fire and supplier SDS instructions.
• Firefighters should wear self-contained breathing apparatus when necessary.
• Hazardous decomposition product cues include carbon dioxide, carbon monoxide, nitrogen oxides; confirm supplier SDS for complete details.
• Stable under recommended storage conditions when the supplier SDS indicates stability.
• Avoid incompatible materials and conditions listed in the supplier SDS.

Physical property reference values are not available in the current MolGraph catalog record.

GHS Pictograms

Preliminary catalog cue; verify before compliance decisions.

Shipment review

Shipment details require review before fulfillment.

Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.

• Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.