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EC number: 700-548-7 | CAS number: 56138-10-4
- 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
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 06-12-2010 to 16-12-2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Visual observation of physical state and appearance by the testing laboratory
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- Visual observation of physical state and appearance by the testing laboratory
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspected: May 2009; signature: July 2009
- Physical state at 20°C and 1013 hPa:
- solid
- Remarks:
- The test item was described as a 'colourless liquid' at the start of testing for Melting/Freezing Point. The test item was observed to freeze (solid) at 22.6 ± 0.5 °C.
- Form:
- solid
- Colour:
- colourless liquid at the start of testing. Description of the test item upon freezing was not reported.
- Substance type:
- organic
- Conclusions:
- The physical state and appearance of the test item was evaluated by visual observation. The test item was determined to be a colourless liquid prior to testing. In the Melting/Freezing Point study the test item was observed to freeze at freeze (solid) at 22.6 ± 0.5 °C.
- Executive summary:
The appearance of the test item has been determined as:
Form: liquid and that was observed to freeze solid at 22.6 ± 0.5°C (liquid that may crystallize or solidify)
Colour: colourless
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 30-09-2011 to 12-10-2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Visual observation of physical state and appearance by the testing laboratory
- Reason / purpose for cross-reference:
- reference to same study
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspected: March 2011; signature: May 2011
- Specific details on test material used for the study:
- The physical state and appearance of the test material were evaluated by visual observation. The test item was determined to be a clear colourless liquid at temperature > 23°C (determined by the laboratory). The test item was a white waxy solid at temperature < 23°C.
- Physical state at 20°C and 1013 hPa:
- solid
- Form:
- solid
- Remarks:
- was a white waxy solid at temperature < 23°C and a clear colourless liquid at temperature > 23°C
- Colour:
- white waxy
- Substance type:
- organic
- Conclusions:
- The physical state and appearance of the test item was evaluated by visual observation. The test item was determined to be a white waxy solid. The test item was observed to melt to a clear colourless liquid at > 23°C.
- Executive summary:
The appearance of the test item has been determined as:
Form: waxy solid
Colour: white
Applicant assessment indicates: that the test item may demonstrate some "liquid-crystal" behaviour with an intermediary phase below the melting point where a "pasty" liquid may be observed just below the isotropic phase (molten liquid), based on expert judgement and the weight of evidence. There was clear evidence of crystallization prior to the study. The substance was observed to melt at > 23°C (determined by the laboratory). The test item was a white waxy solid at temperature < 23°C.
Referenceopen allclose all
Description of key information
Weight of evidence: State of the substance at 20 °C and 101.3 kPa: white waxy solid < 20 °C and a clear colourless liquid at temperatures > 23 °C, 2018
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- solid
Additional information
The weight of evidence is that the test item is white waxy solid < 20 °C and a clear colourless liquid at temperatures > 23 °C. The test item may demonstrate some "liquid-crystal" behaviour with an intermediary phase below the melting point where a "waxy" liquid may be observed just below the isotropic phase (molten liquid), based on expert judgement. The test item has not been observed or is not expected to be a liquid at < 20 °C.
The test item has been described as a colourless liquid and a white waxy solid under standard conditions of temperature and pressure. The colour of the substance may vary in available sources of various grades of white to colourless. No significant odour has been reported in available sources. The test item has a measured melting/freezing point of 22.6 ± 0.5°C at 97.9 kPa and boiling point of 275.5 ± 2°C at 96.0 kPa in an available melting point and boiling testing to EU Method A.1 and EU Method A.2 under GLP. The test item has also been observed to be a white waxy solid at ambient conditions and a completely molten liquid at > 23 °C in an available Vapour Pressure test to EU Method A.4 study under GLP.
The test item under the CLP Regulation (EC) 1272/2008: Annex 1, section 1 concerning the definition of gases, liquids and solids, does not meet the criteria as a gas or liquid. Therefore should be considered as a solid.
For the classification procedure under Regulation (EC) 1272/2008, expert judgment indicates that the intrinsic properties of the test item indicate that the test item would be tested as a solid and/or liquid for specific evaluations. This would be dependent on the respective endpoint, guideline applicability and incorporating expert judgement.
References:
1. UN Transport of Dangerous Goods Manual of Tests and Criteria, Sixth Edition (2015)
2. ECHA Guidance on Information Requirements and Chemical Safety Assessment (Chapter R.7a: Endpoint Specific Guidance, July 2017)
3. REACH Regulation (EC) 1907/2006, Annex VII, section 7.1
4. CLP Regulation (EC) 1272/2008, Annex I, section 1
5. ECHA Guidance on Application on the CLP Criteria, section 2.0 (v5.0, July 2017)
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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