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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 231-208-1 | CAS number: 7446-70-0
Guidance on Safe Use
Administrative data
First-aid measures
General advice:
Immediately remove contaminated clothing. If danger of loss of consciousness, place patient in recovery position and transport accordingly. Apply artificial respiration if necessary. If inhaled:
Keep patient calm, remove to fresh air. Immediately administer a corticosteroid from a
controlled/metered dose inhaler.
On skin contact:
Wipe dry. Immediately wash thoroughly with plenty of water, apply sterile dressings, consult a skin specialist.
On contact with eyes:
Immediately wash affected eyes for at least 15 minutes under running water with eyelids held open, consult an eye specialist.
On ingestion:
Rinse mouth immediately and then drink plenty of water, seek medical attention.
Fire-fighting measures
Suitable extinguishing media: dry powder
Unsuitable extinguishing media for safety reasons: water
Specific hazards: hydrogen chloride
The substances/groups of substances mentioned can be released if the product is involved in a fire.
Special protective equipment: Wear a self-contained breathing apparatus.
Further information: Contaminated extinguishing water must be disposed of in accordance with official regulations.
Accidental release measures
Personal precautions: Breathing protection required.
Environmental precautions: Due to the pH-value of the product, neutralization is generally required before discharging sewage into treatment plants.
Methods for cleaning up or taking up: For large amounts: Sweep/shovel up. Dispose of absorbed material in accordance with regulations.
For residues: Rinse away with water. Avoid raising dust.
Handling and storage
Handle in accordance with good industrial hygiene and safety practice. Keep container tightly sealed. Before opening venting of container is recommended; beware of escaping gases and vapours. Avoid dust formation. Breathing must be protected when large quantities are decanted without local exhaust ventilation. When dissolving, add product slowly to water with constant stirring.
Protection against fire and explosion: The substance/product is non-combustible.
Storage: Further information on storage conditions: Keep container tightly closed in a cool, well-ventilated place. Keep container dry.
Storage stability: Product is hygroscopic. Improper storage may result in pressure build up in the drums.
Transport information
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
Exposure control and personal protection are use dependet and detailed in the CSR.
In general: Wear protective gloves/clothing and eye/face protection.
Avoid dust formation. Avoid inhalation of the product.
In case of insufficient ventilation: Wear a suitable respiratory protection with adequate effectiveness.
For preparing aqueous solutions: Place water and add the substance in small quantities with constant stirring to prevent local overheating.
Stability and reactivity
Thermal decomposition: No reactions if stored and handled as prescribed/indicated.
Substances to avoid: water
Hazardous reactions:
Reacts violently with water. Develops hydrochloric acid (HCl) on contact with water. The formation of gaseous decomposition products builds up pressure in tightly closed containers.
Hazardous decomposition products: hydrogen chloride
The substances/substance groups mentioned are formed by hydrolysis.
Disposal considerations
Check for possible recycling. Contact waste centre regarding recycling.
Contaminated packaging:
Contaminated packaging should be emptied as far as possible; then it can be passed on for recycling after being thoroughly cleaned.
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.
