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EC number: 204-327-1 | CAS number: 119-47-1
- 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

Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The melting point of DBMC is cited in the ChemIDplus database which is a valid data source. As no details on materials and methods used are available, the value is reliable with restrictions.
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
- Principles of method if other than guideline:
- Value cited in the database only. No details on materials and methods available.
- GLP compliance:
- not specified
- Type of method:
- other: not available
- Melting / freezing pt.:
- 123 °C
- Conclusions:
- The melting point of DBMC is 123 °C.
- Executive summary:
The melting point of DBMC is experimentally determined to be 123 °C as cited in the ChemIDplus Lite database.
- Endpoint:
- melting point/freezing point
- Type of information:
- not specified
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The value for the melting point of DBMC is cited in the peer-reviewed CRC Handbook of Chemistry and Physics which is a reliable data source.
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
- Principles of method if other than guideline:
- Handbook data only. No details on materials and methods available.
- GLP compliance:
- not specified
- Type of method:
- other: not reported
- Melting / freezing pt.:
- 131 °C
- Conclusions:
- The melting point of DBMC is cited to be 131 °C.
- Executive summary:
The melting point of DBMC is 131 °C as cited in the CRC Handbook of Chemistry and Physics.
- Endpoint:
- melting point/freezing point
- Type of information:
- not specified
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- The melting range of DBMC is cited in the MITI report with reference to various data sources such as The Merck Index, Lange's Handbook of Chemistry, Encyclopaedia Chimica etc., thus no detailed information on the determination of the melting range is available.
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
- Principles of method if other than guideline:
- The melting range is a compilation of the values derived from different data sources, thus no details on materials and methods used are available.
- GLP compliance:
- no
- Type of method:
- other: not reported
- Melting / freezing pt.:
- 126.5 - 130 °C
- Conclusions:
- The melting point of DBMC lies in the range of 126.5 - 130 °C.
- Executive summary:
The melting point of DBMC lies in the range of 126.5 - 130 °C as compiled from different data sources - such as The Merck Index - in the MITI report.
- Endpoint:
- melting point/freezing point
- Type of information:
- not specified
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The temperature range for the melting point of DBMC was cited in the OECD SIDS report from the Beilstein database. As no further details on the determination of this melting range is available, the information is reliable with restrictions.
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
- Principles of method if other than guideline:
- The melting range for DBMC was cited from the Beilstein Data compiling different data sources. No details available.
- GLP compliance:
- no
- Type of method:
- other: not available
- Melting / freezing pt.:
- 130 - 131 °C
- Conclusions:
- The melting point of DBMC lies in the range of 130 - 131 °C.
- Executive summary:
The melting point of DBMC lies in the range of 130 - 131 °C as cited in the OECD SIDS report. This range is determined by selection of various studies/scientific documents cited in the Beilstein database.
- Endpoint:
- melting point/freezing point
- Type of information:
- not specified
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The melting point of DBMC is cited in the ECB - summary fact sheet which is a reliable data source. As no details on materials and methods used is available, the value is reliable with restrictions.
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
- Principles of method if other than guideline:
- Handbook data only. No details on materials and methods available.
- GLP compliance:
- not specified
- Type of method:
- other: not reported
- Melting / freezing pt.:
- 130 °C
- Conclusions:
- The melting point of DBMC is cited to be 130 °C.
- Executive summary:
The melting point of DBMC is 130 °C as cited in the PBT report.
- Endpoint:
- melting point/freezing point
- Type of information:
- not specified
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- The melting range and melting point for Antioxidant MBP5 (chemically equivalent to Vulkanox) was listed in the report on ANTIOXIDANT MBP 5 from the Société Française D'Organo-Synthèse without indication of the method used. Hence these values are reliable with restrictions.
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
- Principles of method if other than guideline:
- The method used for the determination of the melting range is not reported.
- GLP compliance:
- no
- Type of method:
- other: no data
- Melting / freezing pt.:
- 129 - 132 °C
- Remarks on result:
- other: Melting range for Antioxidant MBP 5 P, polymer grade, corresponding to 264 - 270 °F.
- Melting / freezing pt.:
- 124 °C
- Remarks on result:
- other: Melting point for Antioxidant MBP5 T, rubber grade, corresponding to 255 °F.
- Conclusions:
- The melting point of Antioxidant MBP 5 (i. e. DBMC) lies between 124 - 132 °C depending on the purity grade.
- Executive summary:
The melting point of Antioxidant MBP 5, which is chemically equivalent to DBMC, lies between 124 - 132 °C (255 - 270 °F) depending on the purity grade of the test material.
Referenceopen allclose all
No remarks
No remarks
No remarks
This temperature range was selected from seven available data sources/scientific documents indicating values of 129 - 131.21 °C. Two values were neglected because the data sources were patents.
No remarks
No remarks
Description of key information
Weight-of-evidence:
Six reliable literature sources delivered values for the melting point of DBMC in the range of 123 - 132 °C (OECD SIDS, 2000; MITI, 1992; Lide, 2009; PBT Working Group, 2009; ChemIDPlus, 2009, JE/NC, 1982).
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 123 °C
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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