Registration Dossier
Registration Dossier
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EC number: 201-051-3 | CAS number: 77-71-4
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Administrative data
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Testing was conducted between 03 November 2009 and 17 November 2009.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.16 (Relative Self-Ignition Temperature for Solids)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: 15-09-2009 Date of Signature:26-11-2009
Test material
- Reference substance name:
- DMH
- IUPAC Name:
- DMH
- Details on test material:
- Sponsor's identification: DMH
Description: white crystalline solid
Batch number: N5439431
Date received: 24 February 2006
Storage conditions: room temperature in the dark
Constituent 1
Results and discussion
Relative self-ignition temperature (solids)
- Relative self-ignition temperature:
- 0 °C
- Remarks on result:
- other:
- Remarks:
- at atm. press. of 0.0 other:The test material has been determined not to have a relative self-ignition temperature below its melting temperature.
Any other information on results incl. tables
Please see attached Result graph.
Observations after the test
The cube was empty. White needle crystals where observed around the door seal and the internal surface of the door.Applicant's summary and conclusion
- Conclusions:
- The test material has been determined not to have a relative self-ignition temperature below its melting temperature.
- Executive summary:
Method
The test material was heated in an oven and the relative self ignition temperature determined. Testing was conducted using Method A16 Relative Self-Ignition Temperature for Solids of Commission Regulation (EC) No 440/2008 of 30 May 2008.
Procedure
An aliquot of the test material was suspended in a stainless steel mesh cube (approximately 20 x 20 x 20 mm) in an oven. A thermocouple was placed in the centre of the sample and another in the oven. The oven temperature was programmed to increase from ambient to 186°C (which was approximately 10°C higher than the melting temperature, determined as part of Harlan Laboratories Ltd project number 0102/0658) at a rate of 0.5°C/min. The temperature/time curves relating to the condition in the centre of the sample and the oven were recorded on a two channel chart recorder.Conclusion
The test material has been determined not to have a relative self-ignition temperature below its melting temperature.
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