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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: 231-555-9 | CAS number: 7632-00-0
- 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
General advice:
If danger of loss of consciousness, place patient in recovery position and transport accordingly.
Apply artificial respiration if necessary.
If inhaled:
After inhalation of decomposition products, remove the affected person to a source of fresh air and
keep calm.Provide medical aid. Immediately inhale corticosteroid dose aerosol.
On skin contact:
Wash thoroughly with soap and water.
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, induce vomiting, seek medical attention.
Note to physician:
Hazards: Risk of pulmonary oedema. Symptoms can appear later.
Fire-fighting measures
Suitable extinguishing media:
water
Unsuitable extinguishing media for safety reasons:
ABC powder, carbon dioxide
Specific hazards:
nitrogen oxides
The substances/groups of substances mentioned can be released in case of fire.
Special protective equipment:
Wear a self-contained breathing apparatus.
Accidental release measures
Personal precautions:
Use breathing apparatus if exposed to vapours/dust/aerosol. Avoid contact with eyes.
Environmental precautions:
Do not discharge into the subsoil/soil. Do not discharge into waterways or sewer systems without proper authorization.
Methods for cleaning up or taking up:
For residues: Pick up with suitable appliance and dispose of
Handling and storage
This substance is handled under Strictly Controlled Conditions in accordance with REACH regulation Article 17(3) for on-site isolated intermediates and, in case the substance is transported to other sites for further processing, the substance should be handled at these sites under the Strictly Controlled Conditions as specified in REACH regulation Article 18(4). Site documentation to support safe handling arrangements including the selection of engineering, administrative and personal protective equipment controls in accordance with risk-based management systems is available at each Manufacturing site.
Handling
Keep container tightly sealed. Breathing must be protected when large quantities are decanted
without local exhaust ventilation. Processing machines must be fitted with local exhaust ventilation.
Protect against moisture. Protect against heat.
Protection against fire and explosion:
The substance/product is non-combustible. Contact with combustible material may cause fire.
Storage
Segregate from oxidizable substances. Segregate from acids. Segregate from ammonium salts.
Transport information
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
This substance is handled under Strictly Controlled Conditions in accordance with REACH regulation Article 17(3) for on-site isolated intermediates and, in case the substance is transported to other sites for further processing, the substance should be handled at these sites under the Strictly Controlled Conditions as specified in REACH regulation Article 18(4). Site documentation to support safe handling arrangements including the selection of engineering, administrative and personal protective equipment controls in accordance with risk-based management systems is available at each Manufacturing site.
Personal protective equipment
Respiratory protection:
Breathing protection if dusts are formed. Particle filter EN 143 Type P3 (high efficiency (solid and liquid particles of toxic and very toxic substances).
Hand protection:
Chemical resistant protective gloves (EN 374)
Suitable materials also with prolonged, direct contact (Recommended: Protective index 6,
corresponding > 480 minutes of permeation time according to EN 374):
polyvinylchloride (PVC) - 0.7 mm coating thickness
nitrile rubber (NBR) - 0.4 mm coating thickness
chloroprene rubber (CR) - 0.5 mm coating thickness
Supplementary note: The specifications are based on own tests, literature data and information of glove manufacturers or are derived from similar substances by analogy. Due to many conditions (e.g. temperature) it must be considered, that the practical usage of a chemical-protective glove in practice may be much shorter than the permeation time determined in accordance with EN 374.
Manufacturer's directions for use should be observed because of great diversity of types.
Eye protection:
Safety glasses with side-shields (frame goggles) (EN 166)
General safety and hygiene measures:
Handle in accordance with good industrial hygiene and safety practice. Do not breathe dust. Keep away from food, drink and animal feedingstuffs. No eating, drinking, smoking or snuff-taking at the place of work. Take off immediately all contaminated clothing. Hands and/or face should be washed before breaks and at the end of the shift.
Stability and reactivity
Thermal decomposition: > 320 °C
nitrogen monoxide, nitrogen dioxide, disodium oxide
Substances to avoid:
reducing agents, oxidizable substances, ammonium salts, amines, amine compounds, acids
Hazardous reactions:
Reacts with reducing agents. Reacts with oxidizing agents. Reacts with amine-containing products.
Reacts with acids.
Hazardous decomposition products:
disodium oxide
nitrogen oxides
Disposal considerations
Contact manufacturer regarding recycling.
Check for possible recycling.
Contact waste centre regarding recycling.
Contaminated packaging:
Contaminated packaging should be emptied as far as possible and disposed of in accordance with
offical regulations 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.