Registration Dossier
Registration Dossier
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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Diss Factsheets
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EC number: 200-044-2 | CAS number: 50-52-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Administrative data
First-aid measures
If inhaled: take the patient in the oper air. If breathing difficulties persist due to accidental inhalation of dust, aerosols or combustion fumes, provide oxygen or artificial respiration. In case of persistence of symptoms, seek medical assistance.
If in eyes: rinse cautiously and thoroughly with plenty of water. Remove contact lenses, if present and easy to do; continue rinsing. If irritation persist, seek medical assistance.
If on skin and clothes: remove contaminated clothing and shoes. Wash thoroughly with soap and water. Wash clothing before re-use
If ingested: rinse the mouth repeatedly with water without swallowing. Do not induce vomiting or administer anything without medical advice. Seek medical assistance.
Fire-fighting measures
Extinguishing media: foam, water spray, carbon dioxide, chemical powder, Do not use water in proximity of electrical apparatus,
Danger in case of fire: possible evolution of toxic fumes of carbon monoxide, carbon dioxide, nitrogen oxides, sulphur oxides, hydrochloric acid.
Protective device for fire-fighting people: protective device/clothing for eyes, head, hands and skin, self-contained breathing apparatus.
Fire-fighting water/media and fire residues must be disposed as hazardous waste, in compliance wit current Regulations.
Accidental release measures
Environmental: do not allow dispersed material to reach the sewers and watercourses.
Methods for cleaning up: use inert absorbents (sand, kieselgur...), collect mechanically the released material and dispose according to the hazardous waste handling procedures. Ventilate the area, if proper; if necessary, wash with water disposing the resulting liquid as hazardous waste.
Handling and storage
Store in well closed, leakproof containers in well ventilated, dedicated areas. As precautionary measure, protect from electostatic loading or other ignition sources, Avoid proximity of incompatible materials (strong acid and bases, oxidizing agents).
As additional, redundant protection measure, workers should wear proper PPE for skin, eyes, hands and breathing apparatus when handling the substance. Strictly follow directions for use, cleaning and maintenance reported by the supplier for each PPE. Wash accurately with water before re-use.
Transport information
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
A check of workers exposition to the substance is periodically carried out; qualified personnel evaluates results in order to implement furter protetctive measures, if proper.
PPE include equipment for protection of eyes (googles), hands (gloves), skin and breathing apparatus (mask).
Stability and reactivity
Conditions to avoid: very high temperatures could origin decomposition with emission of toxic/irritating fumes. Thermal decomposition could result in emission of oxides of Carbon, Nitogen, Sulphur.
Materials to avoid: strong acids and bases and oxidizing agents.
Disposal considerations
Disposal of wastes: keep in well closed containers and send wastes (including contaminated containers) to authorized companies for disposal.
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.