Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 231-171-1 | CAS number: 7440-62-2
Guidance on Safe Use
Administrative data
First-aid measures
Inhalation: Leave dusty area. Breathing assistance if necessary.
Skin: Wash with soap and water.
Eye: Flush with water 15 minutes to remove particles. See a physician if irritation occurs.
Ingestion: No expected emergency care anticipated.
Fire-fighting measures
Suitable extinguishing media:
Class D fire. Use dry chemical, completely dry sand, or carbon dioxide to smother.
Extinguishing media not to be used:
Water sprayed on burning material may generate hydrogen gas.
Special exposure hazards:
Avoid creating fine dust.
Special protective equipment for fire fighters:
Full protective equipment including positive-pressure breathing apparatus.
Accidental release measures
Personal precautions:
No special requirements. Skin, eye, and respiratory protection as needed by conditions.
Environmental precautions:
No special requirements.
Cleaning methods:
Vacuum preferred – or sweeping.
Additional information:
Avoid decontamination procedures which create airborne dusting. Use ventilation if necessary to control dusting.
Avoid use of compressed air. Keep ignition sources away from spill area.
Handling and storage
Handling:
Avoid formation of airborne dust and install exhaustion if not avoidable, or at hot forming workplaces. Keep away from sparks, heat, and open flame.Chunks may have razorsharp edges.
Storage:
Material should be kept dry and in closed containers. Keep away from sparks, heat, and open flame in a well-ventilated area away from combustible materials.
Milling:
Precautions should be taken when crushing or milling this material to a fine-particle size (D50 < 150µm).
Consideration should be given to performing these operations in an inert atmosphere or under vacuum.
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- ADR/RID/IATA: No dangerous good according to the international transport regulations.
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
Stability and reactivity
Disposal considerations
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.
