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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 244-492-7 | CAS number: 21645-51-2
Guidance on Safe Use
Administrative data
First-aid measures
First-aid measuresGeneral information:First aider: pay attention to self- protection! After inhalation: In case of dust inhalation remove person to ventilated area and keep calm. In case of ongoing discomfort consult a physicianAfter skin contact: In case of large exposures wash with soap and water.After eye contact. If particles comes into contact with eyes treatment for mechanical irritation or injury may be required; flush thoroughly with water, in case of ongoing discomfort consult a physician After swallowing: Wash mouth with water Notes to physician: none
Fire-fighting measures
Fire-fighting measuresNot flammable. Suitable extinguishing agents:Use extinguishing agents appropriate for surrounding materials. For safety reasons unsuitable extinguishing agents: NoneSpecial hazards caused by the substance, its products of combustion or resulting gases: None.Protective equipment: Fire fighters should wear approved personal protective equipment for the surrounding fired material
Accidental release measures
Person- related safety precautions: See protection measures listed in section Exposure controls/personal protection.Environmental protection measures: Avoid dispersal of spilled material and runoff. Avoid creating dusty conditions and prevent wind dispersal. Collect material for recycling if possible.Measures for cleaning: Use vacuum cleaner if possible.
Handling and storage
Handling: Ensure good ventilation / local exhaust at the workplace in the case of operations generating dust. Avoid creating dusty conditions. Avoid inhalation and skin and eye contactWear appropriate personal protective equipment. Storage: Requirements to be met by storerooms and receptacles: Store in dry ventilated area. Additional hints: none
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- Not regulated
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Inland waterway transport (UN RTDG/ADN(R))
- UN number:
- Not regulated
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Marine transport (UN RTDG/IMDG)
- UN number:
- Not regulated
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Air transport (UN RTDG/ICAO/IATA)
- UN number:
- Not regulated
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Exposure controls / personal protection
EXPOSURE LIMITSOccupational exposure limits (air):Germany10*/3** mg/m³ (*inhalable dust; ** respirable dust)Great Britain10*/4** mg/m³ (*inhalable dust; ** respirable dust)United StatesOSHA 15 mg/m³ (total dust); 5 mg/m³ TWA (respirable fraction)EXPOSURE CONTROLSEnsure good ventilation / local exhaust at the workplace in the case of operations generating dust. Avoid work practises which generate dust. Avoid inhalation and skin and eye contactPERSONAL PROTECTIVE EQUIPMENTRespiratory equipment: not required under recommended conditions of use. In case dust is generated, use personal protective equipment, dust filter P2 or if fine particles P3.Use protective goggles and gloves when handling the substance and appropriate work clothes ENVIRONMENTAL EXPOSURE CONTROLAvoid creating dusty conditions and prevent wind dispersal
Stability and reactivity
Stability and reactivityStable under normal conditions of use, storage, and transportConditions to be avoided: NoneMaterials to be avoided: noneDangerous decomposition products: none
Disposal considerations
Disposal / Waste (Product): Dispose of wastes and residues in accordance with local waste regulationsPackaging: Not relevant
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.
