Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 231-957-4 | CAS number: 7782-49-2
Guidance on Safe Use
Administrative data
First-aid measures
NOTES TO THE PHYSICIAN
No recommendation given, but first aid may still be required in case of accidental exposure, inhalation or ingestion of this chemical. If in doubt,
GET MEDICAL ATTENTION PROMPTLY!
INHALATION
Move the exposed person to fresh air at once. Rinse nose and mouth with water. Get medical attention if any discomfort continues.
INGESTION
Immediately rinse mouth and provide fresh air. Get medical attention if any discomfort continues.
SKIN CONTACT
Remove affected person from source of contamination. Remove contaminated clothing. Wash the skin immediately with soap and water.
Get medical attention if any discomfort continues.
EYE CONTACT
Make sure to remove any contact lenses from the eyes before rinsing. Promptly wash eyes with plenty of water while lifting the eye lids.
Continue to rinse for at least 15 minutes. Get medical attention if any discomfort continues.
Fire-fighting measures
EXTINGUISHING MEDIA
This product is not flammable. Use fire-extinguishing media appropriate for surrounding materials.
SPECIAL FIRE FIGHTING PROCEDURES
Avoid breathing fire vapours.
UNUSUAL FIRE & EXPLOSION HAZARDS
High concentrations of dust may form explosive mixture with air.
SPECIFIC HAZARDS
When heated and in case of fire, toxic vapours/gases may be formed.
PROTECTIVE MEASURES IN FIRE
Self contained breathing apparatus and full protective clothing must be worn in case of fire.
Accidental release measures
PERSONAL PRECAUTIONS
Wear protective clothing as described in Section EXPOSURE CONTROLS/PERSONAL PROTECTION
ENVIRONMENTAL PRECAUTIONS
Avoid spreading dust or contaminated materials. Do not allow to enter drains, sewers or watercourses.
SPILL CLEAN UP METHODS
Remove sources of ignition. Should be prevented from entering drains. Avoid generation and spreading of dust. Collect powder using
special dust vacuum cleaner with particle filter or carefully sweep into closed container. Collect spillage in containers, seal securely and
deliver for disposal according to local regulations. For waste disposal, refer to DISPOSAL CONSIDERATIONS
Handling and storage
USAGE PRECAUTIONS
Avoid spilling, skin and eye contact. Avoid handling which leads to dust formation.
STORAGE PRECAUTIONS
Store in tightly closed original container in a dry, cool and well-ventilated place. Keep in original container.
Transport information
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
Selenium powder: Workplace exposure limit 0.1 mg/m³ (TWA.8 hrs) as Se
ENGINEERING MEASURES
Provide adequate ventilation. Observe occupational exposure limits and minimize the risk of inhalation of dust.
RESPIRATORY EQUIPMENT
If ventilation is insufficient, suitable respiratory protection must be provided.
HAND PROTECTION
Use suitable protective gloves if risk of skin contact.
EYE PROTECTION
Use approved safety goggles or face shield.
OTHER PROTECTION
Wear suitable protective clothing as protection against splashing or contamination.
HYGIENE MEASURES
DO NOT SMOKE IN WORK AREA! Wash at the end of each work shift and before eating, smoking and using the toilet. Wash promptly if
skin becomes contaminated. Promptly remove any clothing that becomes contaminated. When using do not eat, drink or smoke.
SKIN PROTECTION
Wear apron or protective clothing in case of contact.
Stability and reactivity
STABILITY
Stable under normal temperature conditions.
CONDITIONS TO AVOID
Avoid excessive heat for prolonged periods of time.
HAZARDOUS POLYMERISATION
Not relevant
MATERIALS TO AVOID
Strong acids. Strong reducing agents.
HAZARDOUS DECOMPOSITION PRODUCTS
When heated, vapours/gases hazardous to health may be formed.
Disposal considerations
GENERAL INFORMATION
When handling waste, consideration should be made to the safety precautions applying to handling of the product.
DISPOSAL METHODS
Do not allow runoff to sewer, waterway or ground. Recover and reclaim or recycle, if practical. Dispose of waste and residues in accordance with local authority requirements.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
