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EC number: 236-675-5 | CAS number: 13463-67-7
- 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
![](https://echa.europa.eu./o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_physical-and-chemical-properties.png)
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Remarks:
- Dustiness
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020-11-16 to 2020-12-03
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- other: EN15051-2 “Workplace Exposure: Measurement of dustiness of bulk materials – Part 2: Rotating drum method”.
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- rotating drum method
- Type of distribution:
- mass based distribution
- Remarks on result:
- other: TDMA (2021): Content of particles with aerodynamic diameter ≤ 10 µm: 0.01 % wt; Brown (2020): inhalable dustiness: moderate; thoracic dustiness: very low; respirable dustiness: very low
- Key result
- Percentile:
- other: 0.01 %wt
- Mean:
- <= 10 µm
- Remarks on result:
- other: content of particles with aerodynamic diameter <= 10 µm
- Conclusions:
- The test item E171-E has a moderate (711 mg/kg) inhalable dustiness, a very low (<80 mg/kg) thoracic dustiness and a very low (<10 mg/kg) respirable dustiness.
The percent particles below 10 μm aerodynamic diameter using EN 15051-2 - Measurement of the dustiness of bulk materials - Part 2: Rotating drum method are taken from the thoracic mass fraction collected from the 80 pore per inch metal foam and filter. The dustiness result is normally expressed in mg/kg and therefore it is converted to % wt. by dividing by 10 000 in line with the text of the classification of TiO2:
The content of particles with aerodynamic diameter ≤ 10 μm for the sample E171-E was 0.01 % wt (determined by the rotating drum method according to EN 15051-2). On the basis of the classification criteria for titanium dioxide (Regulation (EC) 2020/217), this titanium dioxide form does not require a classification as a category 2 carcinogen. For further details please refer to the attached analysis report in the endpoint summary for particle size distribution (IUCLID section 4.5). - Endpoint:
- particle size distribution (granulometry)
- Remarks:
- Dustiness
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020-11-16 to 2020-12-03
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- other: EN15051-2 “Workplace Exposure: Measurement of dustiness of bulk materials – Part 2: Rotating drum method”.
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- rotating drum method
- Type of distribution:
- mass based distribution
- Remarks on result:
- other: TDMA (2021): Content of particles with aerodynamic diameter ≤ 10 µm: 0.01 % wt; Brown (2020): inhalable dustiness: moderate; thoracic dustiness: very low; respirable dustiness: very low
- Key result
- Percentile:
- other: 0.01 %wt
- Mean:
- <= 10 µm
- Remarks on result:
- other: content of particles with aerodynamic diameter <= 10 µm
- Conclusions:
- The test item G3-1 has a moderate (1046 mg/kg) inhalable dustiness, a very low (<80 mg/kg) thoracic dustiness and a very low (<10 mg/kg) respirable dustiness.
The percent particles below 10 μm aerodynamic diameter using EN 15051-2 - Measurement of the dustiness of bulk materials - Part 2: Rotating drum method are taken from the thoracic mass fraction collected from the 80 pore per inch metal foam and filter. The dustiness result is normally expressed in mg/kg and therefore it is converted to % wt. by dividing by 10 000 in line with the text of the classification of TiO2:
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G3-1 was 0.01 % wt (determined by the rotating drum method according to EN 15051-2). On the basis of the classification criteria for titanium dioxide (Regulation (EC) 2020/217), this titanium dioxide form does not require a classification as a category 2 carcinogen. For further details please refer to the attached analysis report in the endpoint summary for particle size distribution (IUCLID section 4.5). - Endpoint:
- particle size distribution (granulometry)
- Remarks:
- Dustiness
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020-11-16 to 2020-12-03
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- other: EN15051-2 “Workplace Exposure: Measurement of dustiness of bulk materials – Part 2: Rotating drum method”.
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- rotating drum method
- Type of distribution:
- mass based distribution
- Remarks on result:
- other: TDMA (2021): Content of particles with aerodynamic diameter ≤ 10 µm: 0.01 % wt; Brown (2020): inhalable dustiness: moderate; thoracic dustiness: low; respirable dustiness: very low
- Key result
- Percentile:
- other: 0.01 %wt
- Mean:
- <= 10 µm
- Remarks on result:
- other: content of particles with aerodynamic diameter <= 10 µm
- Conclusions:
- The test item G4-19 has a moderate (1106 mg/kg) inhalable dustiness, a low (131 mg/kg) thoracic dustiness and a very low (<10 mg/kg) respirable dustiness.
The percent particles below 10 μm aerodynamic diameter using EN 15051-2 - Measurement of the dustiness of bulk materials - Part 2: Rotating drum method are taken from the thoracic mass fraction collected from the 80 pore per inch metal foam and filter. The dustiness result is normally expressed in mg/kg and therefore it is converted to % wt. by dividing by 10 000 in line with the text of the classification of TiO2:
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G4-19 was 0.01 % wt (determined by the rotating drum method according to EN 15051-2). On the basis of the classification criteria for titanium dioxide (Regulation (EC) 2020/217), this titanium dioxide form does not require a classification as a category 2 carcinogen. For further details please refer to the attached analysis report in the endpoint summary for particle size distribution (IUCLID section 4.5). - Endpoint:
- particle size distribution (granulometry)
- Remarks:
- Dustiness
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020-11-16 to 2020-12-03
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- other: EN15051-2 “Workplace Exposure: Measurement of dustiness of bulk materials – Part 2: Rotating drum method”.
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- rotating drum method
- Type of distribution:
- mass based distribution
- Remarks on result:
- other: TDMA (2021): Content of particles with aerodynamic diameter ≤ 10 µm: 0.01 % wt; Brown (2020): inhalable dustiness: low; thoracic dustiness: low; respirable dustiness: very low
- Key result
- Percentile:
- other: 0.01 %wt
- Mean:
- <= 10 µm
- Remarks on result:
- other: content of particles with aerodynamic diameter <= 10 µm
- Conclusions:
- The test item G5-4 has a low (516 mg/kg) inhalable dustiness, a low (136 mg/kg) thoracic dustiness and a very low (<10 mg/kg) respirable dustiness.
The percent particles below 10 μm aerodynamic diameter using EN 15051-2 - Measurement of the dustiness of bulk materials - Part 2: Rotating drum method are taken from the thoracic mass fraction collected from the 80 pore per inch metal foam and filter. The dustiness result is normally expressed in mg/kg and therefore it is converted to % wt. by dividing by 10 000 in line with the text of the classification of TiO2:
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G5-4 was 0.01 % wt (determined by the rotating drum method according to EN 15051-2). On the basis of the classification criteria for titanium dioxide (Regulation (EC) 2020/217), this titanium dioxide form does not require a classification as a category 2 carcinogen. For further details please refer to the attached analysis report in the endpoint summary for particle size distribution (IUCLID section 4.5). - Endpoint:
- particle size distribution (granulometry)
- Remarks:
- Dustiness
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020-11-16 to 2020-12-03
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- other: EN15051-2 “Workplace Exposure: Measurement of dustiness of bulk materials – Part 2: Rotating drum method”.
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- rotating drum method
- Type of distribution:
- mass based distribution
- Remarks on result:
- other: TDMA (2021): Content of particles with aerodynamic diameter ≤ 10 µm: 0.08 % wt; Brown (2020): inhalable dustiness: moderate; thoracic dustiness: moderate; respirable dustiness: high
- Key result
- Percentile:
- other: 0.08 % wt
- Mean:
- <= 10 µm
- Remarks on result:
- other: content of particles with aerodynamic diameter <= 10 µm
- Conclusions:
- The test item G7-5 has a moderate (1853 mg/kg) inhalable dustiness, a moderate (941 mg/kg) thoracic dustiness and a high (666 mg/kg) respirable dustiness.
The percent particles below 10 μm aerodynamic diameter using EN 15051-2 - Measurement of the dustiness of bulk materials - Part 2: Rotating drum method are taken from the thoracic mass fraction collected from the 80 pore per inch metal foam and filter. The dustiness result is normally expressed in mg/kg and therefore it is converted to % wt. by dividing by 10 000 in line with the text of the classification of TiO2:
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G7-5 was 0.08 % wt (determined by the rotating drum method according to EN 15051-2). On the basis of the classification criteria for titanium dioxide (Regulation (EC) 2020/217), this titanium dioxide form does not require a classification as a category 2 carcinogen. For further details please refer to the attached analysis report in the endpoint summary for particle size distribution (IUCLID section 4.5). - Endpoint:
- particle size distribution (granulometry)
- Remarks:
- Dustiness
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020-11-16 to 2020-12-03
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- other: EN15051-2 “Workplace Exposure: Measurement of dustiness of bulk materials – Part 2: Rotating drum method”.
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- rotating drum method
- Type of distribution:
- mass based distribution
- Remarks on result:
- other: TDMA (2021): Content of particles with aerodynamic diameter ≤ 10 µm: 0.03 % wt; Brown (2020): inhalable dustiness: moderate; thoracic dustiness: moderate; respirable dustiness: high
- Key result
- Percentile:
- other: 0.03 %wt
- Mean:
- <= 10 µm
- Remarks on result:
- other: content of particles with aerodynamic diameter <= 10 µm
- Conclusions:
- The test item G9-5 has a moderate (709 mg/kg) inhalable dustiness, a moderate (314 mg/kg) thoracic dustiness and a high (224 mg/kg) respirable dustiness.
The percent particles below 10 μm aerodynamic diameter using EN 15051-2 - Measurement of the dustiness of bulk materials - Part 2: Rotating drum method are taken from the thoracic mass fraction collected from the 80 pore per inch metal foam and filter. The dustiness result is normally expressed in mg/kg and therefore it is converted to % wt. by dividing by 10 000 in line with the text of the classification of TiO2:
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G9-5 was 0.03 % wt (determined by the rotating drum method according to EN 15051-2). On the basis of the classification criteria for titanium dioxide (Regulation (EC) 2020/217), this titanium dioxide form does not require a classification as a category 2 carcinogen. For further details please refer to the attached analysis report in the endpoint summary for particle size distribution (IUCLID section 4.5).
Referenceopen allclose all
TDMA (2021):
The content of particles with aerodynamic diameter ≤ 10 μm for the sample E171-E is 0.01 % wt (determined by the rotating drum method according to EN 15051-2).
Brown (2020)
Category of Dustiness (classified by the EN15051-2 test method):
- Inhalable dustiness mass fraction [mg/kg]: very low < 300; low 300 – 650; moderate 650 – 3000; high > 3000
- Thoracic dustiness mass fraction [mg/kg]: very low < 80; low 80 – 300; moderate 300 – 1000; high > 1000
- Respirable dustiness mass fraction [mg/kg]: very low < 10; low 10 – 60; moderate 60 – 210; high > 210
Dustiness of the test item E171-E (triplicate analysis):
- Average material weight charged to the drum: 19.08 g for 35 cm³
- Inhalable dustiness: moderate (711 mg/kg)
- Thoracic dustiness: very low (<80 mg/kg)
- Respirable dustiness: very low (<10 mg/kg)
TDMA (2021):
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G3-1 is 0.01 % wt (determined by the rotating drum method according to EN 15051-2).
Brown (2020)
Category of Dustiness (classified by the EN15051-2 test method):
- Inhalable dustiness mass fraction [mg/kg]: very low < 300; low 300 – 650; moderate 650 – 3000; high > 3000
- Thoracic dustiness mass fraction [mg/kg]: very low < 80; low 80 – 300; moderate 300 – 1000; high > 1000
- Respirable dustiness mass fraction [mg/kg]: very low < 10; low 10 – 60; moderate 60 – 210; high > 210
Dustiness of the test item G3-1 (triplicate analysis):
- Average material weight charged to the drum: 26.73 g for 35 cm³
- Inhalable dustiness: moderate (1046 mg/kg)
- Thoracic dustiness: very low (<80 mg/kg)
- Respirable dustiness: very low (<10 mg/kg)
TDMA (2021):
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G4-19 is 0.01 % wt (determined by the rotating drum method according to EN 15051-2).
Brown (2020)
Category of Dustiness (classified by the EN15051-2 test method):
- Inhalable dustiness mass fraction [mg/kg]: very low < 300; low 300 – 650; moderate 650 – 3000; high > 3000
- Thoracic dustiness mass fraction [mg/kg]: very low < 80; low 80 – 300; moderate 300 – 1000; high > 1000
- Respirable dustiness mass fraction [mg/kg]: very low < 10; low 10 – 60; moderate 60 – 210; high > 210
Dustiness of the test item G4-19 (triplicate analysis):
- Average material weight charged to the drum: 30.99 g for 35 cm³
- Inhalable dustiness: moderate (1106 mg/kg)
- Thoracic dustiness: low (131 mg/kg)
- Respirable dustiness: very low (<10 mg/kg)
TDMA (2021):
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G5-4 is 0.01 % wt (determined by the rotating drum method according to EN 15051-2).
Brown (2020)
Category of Dustiness (classified by the EN15051-2 test method):
- Inhalable dustiness mass fraction [mg/kg]: very low < 300; low 300 – 650; moderate 650 – 3000; high > 3000
- Thoracic dustiness mass fraction [mg/kg]: very low < 80; low 80 – 300; moderate 300 – 1000; high > 1000
- Respirable dustiness mass fraction [mg/kg]: very low < 10; low 10 – 60; moderate 60 – 210; high > 210
Dustiness of the test item G5-4 (triplicate analysis):
- Average material weight charged to the drum: 23.74 g for 35 cm³
- Inhalable dustiness: low (516 mg/kg)
- Thoracic dustiness: low (136 mg/kg)
- Respirable dustiness: very low (<10 mg/kg)
TDMA (2021):
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G7-5 is 0.08 % wt (determined by the rotating drum method according to EN 15051-2).
Brown (2020)
Category of Dustiness (classified by the EN15051-2 test method):
- Inhalable dustiness mass fraction [mg/kg]: very low < 300; low 300 – 650; moderate 650 – 3000; high > 3000
- Thoracic dustiness mass fraction [mg/kg]: very low < 80; low 80 – 300; moderate 300 – 1000; high > 1000
- Respirable dustiness mass fraction [mg/kg]: very low < 10; low 10 – 60; moderate 60 – 210; high > 210
Dustiness of the test item G7-5 (triplicate analysis):
- Average material weight charged to the drum: 19.13 g for 35 cm³
- Inhalable dustiness: moderate (1853 mg/kg)
- Thoracic dustiness: moderate (941 mg/kg)
- Respirable dustiness: high (666 mg/kg)
TDMA (2021):
The content of particles with aerodynamic diameter ≤ 10 μm for the sample G9-5 is 0.03 % wt (determined by the rotating drum method according to EN 15051-2).
Brown (2020)
Category of Dustiness (classified by the EN15051-2 test method):
- Inhalable dustiness mass fraction [mg/kg]: very low < 300; low 300 – 650; moderate 650 – 3000; high > 3000
- Thoracic dustiness mass fraction [mg/kg]: very low < 80; low 80 – 300; moderate 300 – 1000; high > 1000
- Respirable dustiness mass fraction [mg/kg]: very low < 10; low 10 – 60; moderate 60 – 210; high > 210
Dustiness of the test item G9-5 (triplicate analysis):
- Average material weight charged to the drum: 26.43 g for 35 cm³
- Inhalable dustiness: moderate (709 mg/kg)
- Thoracic dustiness: moderate (314 mg/kg)
- Respirable dustiness: high (224 mg/kg)
Description of key information
Dustiness:
- Inhalable dustiness: low (516 mg/kg) to high (1853 mg/kg)
- Thoracic dustiness: very low (<80 mg/kg) to moderate (941 mg/kg)
- Respirable dustiness: very low (<10 mg/kg) to high (666 mg/kg)
- Content of particles with aerodynamic diameter ≤ 10 μm: 0.01 - 0.08 % wt (EN 15051-2).
On the basis of the classification criteria for titanium dioxide (Regulation (EC) 2020/217), these titanium dioxide forms do not require a classification as a category 2 carcinogen. For further details please refer to the attached analysis report.
Additional information
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.
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