Registration Dossier
Registration Dossier
Data platform availability banner - registered substances factsheets
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 241-523-6 | CAS number: 17526-94-2
- 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
Flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- flammable solids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- January 2003
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.10 (Flammability (Solids))
- Deviations:
- yes
- Remarks:
- : slightly different test methods
- Principles of method if other than guideline:
- The test methods are described in another document. This does not impair the conclusion of the test results.
The principles of the test methods including their deviations to the guideline are described in detail in the field "any other information on materials and methods". - GLP compliance:
- not specified
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): TDI uron
- Substance type: organic
- Physical state: solid - Key result
- Test procedure:
- burning rate test: preliminary screening test
- Remarks on result:
- other: the substance melts, and the ignition process is terminated rapidly.
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- TDI-Urone can be ignited but it is melting and burning off calmly. Therefore TDI-Urone is considered to be not highly flammable.
- Executive summary:
The tests were conducted according to guidelines similar to guideline A.10.
TDI-Urone was dried before testing. The dried TDI-Urone could be ignited by the 1000 °C hot platin wire, which was dipped for 5 seconds into the substance. TDI-Urone was melting and the ignition process was terminated rapidly.
In a second test approx. 200 mg of TDI-Urone were put into a flat iron bowl and heated with an open gas flame burner for 10-15 seconds. TDI-Urone could be ignited and was melting. The ignition process was terminated by burning off calmly.
In a third test approx. 150 mg TDI-Urone and a 1:1 mixture of TDI-Urone with potassium nitrate was put into a red heated iron bowl for 60 seconds. Both, the substance and the 1:1 mixture with potassium nitrate were burning off calmly.
Therefore it is concluded that TDI-Urone could be ignited but is not highly flammable.
Reference
1. TDI-Urone could be ignited by the 1000 °C hot platin wire, which was dipped for 5 seconds into the dried substance. TDI-Urone was melting and the ignition process was terminated rapidly (“Bewertungszahl” BWZ 2).
2. TDI-Urone could be ignited by an open gas flame held onto the substance for approx. 10-15 seconds. TDI-Urone was melting and the ignition process was terminated by burning off calmly (“Bewertungszahl” BWZ 2). This reaction could only be observed while the substance was in contact with the open flame.
3. TDI-Urone was burning off calmly when put into a red heated iron bowl for 60 seconds. In a mixture with potassium nitrate the same reaction could be observed ("Bewertungszahl" BWZ 2).
Substances rated with BWZ 2 are not considered to cause a propagating fire after ignition.
Description of key information
TDI-Urone can be ignited but it is melting and burning off calmly.
Therefore TDI-Urone is considered to be not highly flammable.
Key value for chemical safety assessment
- Flammability:
- not classified
Additional information
The tests to determine the flammability of TDI-Urone were conducted according to guidelines similar to guideline EU A.10.
The dried TDI-Urone could be ignited by a 1000 °C hot platin wire, which was dipped for 5 seconds into the substance. TDI-Urone was melting and the ignition process was terminated rapidly.
In a second test approx. 200 mg of TDI-Urone were put into a flat iron bowl and heated with an open gas flame burner for 10-15 seconds. TDI-Urone could be ignited and was melting. The ignition process was terminated by burning off calmly.
This reaction could only be observed while the substance was in contact with the open flame.
In a third test approx. 150 mg TDI-Urone and a 1:1 mixture of TDI-Urone with potassium nitrate was put into a red heated iron bowl for 60 seconds. Both, the substance and the 1:1 mixture with potassium nitrate were burning off calmly.
Therefore it is concluded that TDI-Urone can be ignited but is not highly flammable.
Justification for classification or non-classification
Due to the test result TDI-Urone can be excluded from the hazard class “flammable solids”and does not have to be classified.
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.