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EC number: 273-760-6 | CAS number: 69012-63-1 By-product of refining of zinc ores consisting primarily of zinc, lead and iron.
- 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
Guidance on Safe Use
Administrative data
First-aid measures
General notes: Remove without delay any articles of clothing contaminated with the product.
After inhalation: Abundant supply of fresh air and consult a doctor as a precaution.
After skin contact: Wash with soap and water immediately and rinse thoroughly.
After eye contact: Rinse eyes for several minutes with running water while keeping the eyelids open.
After ingestion: Rinse mouth out and make the victim drink plenty of water.
Fire-fighting measures
Suitable extinguishing media: Adjust fire-extinguishing measures to the environment.
CO2, extinguishing powder or water spray jet. Fight larger fires with water spray jet.
Extinguishing media unsuitable for safety reasons: Water in full jet
Special risks from the substance, its products of combustion or gases arising:
Product itself is non-combustible.
At very high temperatures, the formation of gases harmful to health due to the volatilisation of individual
components cannot be excluded.
Special protective equipment in the case of fire fighting: Wear approved self-contained breathing apparatus
Other notes: Collect contaminated extinguishing water separately; it must not enter the sewers.
Accidental release measures
Personal safety aspects: In the event of dust raising, avoid inhalation by putting on suitable, approved breathing
apparatus (filter class P2). Remove unprotected staff from the hazardous area.
Put on protective equipment (see Chapter 8).
Environmental protection measures: Avoid dust raising, e.g. by moistening. Prevention of ingress into the sewers, surface
or ground water.
Cleaning procedure / Taking up: Take up material as far as possible in the dry state, e.g. with industrial vacuum
cleaners with suitable waste-air filters (dust class ‘H’ acc. to DIN EN 60335-2-69 App.
AA and to E DIN IEC 61 J/94/CD) or use central vacuuming units with waste air
filtering equipment. Collect for use in accordance with the intended purpose or
return to the producer for treatment.
Fill and or pump any possible sludge into appropriate containers.
Dispose of any contaminated material as waste according to Section 13.
Handling and storage
Handling
Notes on safe handling: For removing the dust with vacuum cleaners, suitable approved industrial vacuum cleaners
(dust class ‘H’ acc. to DIN EN 60335-2-69 App. AA and E DIN IEC 61 J/94/CD) or
central vacuum cleaning units with waste air filtering equipment are to be used.
Notes on fire or explosion protection: Keep breathing apparatus in readiness
Storage
Demands on storage rooms and containers: Avoid dust raising and dust dispersal
Notes on storing together: Do not store together with food
Do not store together with animal feed
Do not store together with combustible substances
Further details on the storage conditions: None
VCI storage class: 13 Non-combustible solids
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- Due to the proven acute non-toxicity, Waelz oxide is exempted from the regulations under the
law regarding the transport of dangerous goods. Dust raising in transit is to be prevented. It is recommended
that Waelz oxide should be transported in containers with covers/tarpaulins or in silo vehicles.
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
Ingredients with workplace-related limit values to be monitored: none
Airborne exposure limits
In the German regulation TRGS 900 (2007) for lead and its inorganic compounds at present no workplace limit
value has been laid down. EU Directive 98/24/EC, Appendix I, states a workplace limit value of 0.15 mg/m3,
based on 8 h.
Biological limit values
In the German regulation TRGS 903 (2006) a biological limit value (BGW value) for lead of 400 μg/l and/or
300 μg/l (women < 45 years) is stated.
Experience of actual practice supports the idea that the application and observance of the former airborne
exposure limit of 0.1 mg/m3 taken from the German regulation TRGS 900 (2000) as well as the biological
limit values of TRGS 903 is the most up-to-date information for the assessment of the health risk for
exposed employees.
Also to be taken into account is Section 5 of TRGS 505 (Plan of action).
Personal protective equipment
General protective and hygiene measures
Keep away from food, beverages and animal feed. At work do not eat, drink, smoke or take snuff.
Remove soiled, soaked clothing. After work and before breaks ensure thorough skin cleansing.
Separate storing of protective / work clothing is necessary.
Respiratory protection
Use only approved respirators. Use respiratory protection masks with P2 filter (DIN EN 143). With a
longer period of exposure the use of self-contained respirators is recommended.
In the event of the
release of smoke or vapours: use combined filters against inorganic vapours (e.g. B1-P2 (DIN EN
141)).
Hand protection Gloves providing protection from chemicals according to EN 374 of acrylonitrile butadiene rubber or
rubber
Eye protection Tight-closing safety goggles (DIN EN 166), if necessary
Body protection Usual chemical work clothing
Stability and reactivity
Disposal considerations
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.