Registration Dossier
Registration Dossier
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EC number: 308-551-1 | CAS number: 98072-94-7 Natural ilmenite ore is concentrated by selective removal of impurities, chiefly iron, to yield a product enriched in titanium dioxide. The process consists of an optional oxidative roast followed by a reductive roasting stage, an acidic leaching stage and washing and drying the product. Alternatively the process consists of selectively chlorinating the iron oxide present in the reduced ore.
Guidance on Safe Use
Administrative data
First-aid measures
Skin contact : Wash with soap and water.
Eye contact : Rinse immediately with plenty of water. If irritation persists, seek medical attention.
Ingestion : No adverse health effects anticipated by this route, however, in the event of ingestion, increase intake of liquid in order to flush from the body. In case of persistent symptoms, consult a doctor.
Fire-fighting measures
Specific risks : Product is inert, non flammable and non combustible.
Special intervention methods : Product is inert, non flammable and non combustible.
Protection of fire-fighters : Usual protective equipment for fire fighters.
Accidental release measures
Environmental precautions : Prevent run-off from entering ground, storm sewers and ditches which lead to natural waterways.
Cleaning Methods : Use any feasible mechanical means (e.g. vacuum, sweeping) but avoid dusting during clean-up.
Handling and storage
Technical Measures: Avoid raising dust. Handling systems and areas should be operated in such a way as to minimise exposure to dust.
Precautions : Local exhaust ventilation may be necessary. Handle minimising dust. Take precautionary measures against static discharges.
Advice on usage : Manual handling guidelines should be adhered to.
Storage conditions : The formation of low concentrations of sulphur dioxide is possible in storage areas with poor ventilation. Such areas should be checked for gas buildup before entry and if necessary, appropriate acid gas respiratory protection suitable for sulphur dioxide to be worn.
Incompatible materials: None.
Packing material: None
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- Titanium dioxide is not regulated under UN, IMDG, ADR, RID, ICAO/IATA.
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Inland waterway transport (UN RTDG/ADN(R))
- UN number:
- Titanium dioxide is not regulated under UN, IMDG, ADR, RID, ICAO/IATA.
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Marine transport (UN RTDG/IMDG)
- UN number:
- Titanium dioxide is not regulated under UN, IMDG, ADR, RID, ICAO/IATA.
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Air transport (UN RTDG/ICAO/IATA)
- UN number:
- Titanium dioxide is not regulated under UN, IMDG, ADR, RID, ICAO/IATA.
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Exposure controls / personal protection
Control parameters :Ensure sufficient ventilation. Reduce inhalation hazards in minimising the occupational exposure.
Dust TWA – 10mg/m3 (inhalable general nuisance dust)
Sulphur dioxide gas TWA – 2 ppm
Sulphur dioxide gas STEL – 5 ppm
Radiation (combined alpha and gamma) exposure should be as low as reasonably achievable, (ALARA), but should not exceed a total of 100 milli-seiverts over 5 consecutive years..
Protective equipment
Respiratory protection : Safety glasses or goggles. If risk of inhaling dust is present, wear at minimum, an
approved P1 respirator (disposable or cartridge type). Areas of potential sulphur dioxide (SO2) buildup should be checked with a suitable SO2 monitor. A half or full face P2 or P3 respirator with acid gas type cartridge should be worn if SO2 is present. If the concentration exceeds 50 ppm (10 X STEL), air supplied breathing apparatus should be used.
Skin protection : Respect main rules concerning the protection clothes for chemicals handling.
Hand protection : Prolonged exposure should be avoided by wearing suitable impervious protective gloves.
Environmental exposure controls : Do not allow material to contaminate ground water system.
Eye protection : The use of dustproof goggles or glasses with side protections is recommended if dust concentrations are likely to exceed the occupational exposure limit.
Hygiene Measures : Individuals having sensitive skin may find it beneficial to use a barrier cream or moisturizer when excessive or prolonged contact with the skin is likely.
Engineering controls and safe systems of work should be used in preference to Personal Protective Equipment (PPE) to minimise the risk of exposure. If the product is being stored or transported in a poorly ventilated area, some form
of mechanical ventilation may be necessary to ensure there is no build up of sulphur dioxide gas.
Stability and reactivity
Conditions to avoid: None known.
Materials to avoid: None reasonably foreseeable.
Hazardous decomposition products: None known
Disposal considerations
Residue: Not classified as hazardous waste.
Contaminated packaging: Contaminated packages are not considered hazardous. If recycling is not practicable, dispose of in compliance with local regulations.
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.
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