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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 231-901-9 | CAS number: 7778-39-4
Guidance on Safe Use
Administrative data
First-aid measures
-Skin contact: remove all contaminated clothes and footwear immediately unless stuck to skin. Wash immediately with plenty of soap and water.
-Eye contact: bathe the eye with running water for 15 minutes. Consult a doctor.
-Ingestion: Wash out mouth with water. Do not induce vomiting. If conscious, give half a litre of water to drink immediately. If unconscious, check for breathing and apply artificial respiration if necessary. If unconscious and breathing is OK, place in the recovery position. Transfer to hospital as soon as possible.
-Inhalation: remove casualty from exposure ensuring one's own safety whilst doing so. Transfer to hospital as soon as possible.
Fire-fighting measures
-Extinguishing media: suitable extinguishing media for the surrounding fire should be used. Use water spray to cool containers.
-Exposure hazards: toxic. In combustion emits toxic fumes.
-Protection of fire-fighters: wear self-contained breathing apparatus. Wear protective clothing to prevent contact with skin and eyes.
Accidental release measures
-Personal precautions: notify the police and fire brigade immediately. If outside keep bystanders upwind and away from danger point. Mark out the contaminated area with signs and prevent access to unauthorised personnel. Do not attempt to take action without suitable protective clothing . Turn leaking containers leak-side up to prevent the escape of liquid.
-Environmental precautions: Do not discharge into drains or rivers. Contain the spillage using bunding.
-Clean-up procedures: clean-up should be dealt with only by qualified personnel familiar with the specific substance. Absorb into dry earth or sand. Transfer to a closable, labelled salvage container for disposal by an appropriate method.
Handling and storage
-Handling requirements: avoid direct contact with the substance. Avoid the formation or spread of mists in the air. Ensure there is sufficient ventilation of the area.
-Storage conditions: store in cool, well ventilated area. Keep container tightly closed.
-Suitable packaging: must only be kept in original packaging.
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- 1553
Shipping information
- Chemical name:
- ARSENIC ACID, LIQUID
- Labels:
- 6.1
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Inland waterway transport (UN RTDG/ADN(R))
- UN number:
- 1553
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Marine transport (UN RTDG/IMDG)
- UN number:
- 1553
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Air transport (UN RTDG/ICAO/IATA)
- UN number:
- 1553
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Exposure controls / personal protection
-Exposure controls: OSHA PEL: 0.01 mg/m3; ACGIH TLV: 0.01 mg/m3
-Personal protection:
->Engineering measures: ensure there is sufficient ventilation of the area,
->Respiratory protection: self-contained breathing apparatus must be available in case of emergency,
->Hand protection: protective gloves,
->Eye protection: safety glasses. Ensure eye bath is to hand,
->Skin protection: protective clothing.
Stability and reactivity
-Stability: stable under normal conditions.
-Conditions to avoid: heat.
-Materials to avoid: strong oxidising agents. Strong acids.
-Hazardous decomposition products: in combustion emits toxic fumes.
Disposal considerations
-Disposal operations: transfer to a suitable container and arrange for collection by specialised disposal company.
-Disposal of packaging: Arrange for collection by specialised disposal company.
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.
