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EC number: 203-405-2 | CAS number: 106-51-4
Flammability
Administrative data
- Endpoint:
- flammable solids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19.02.2018 - 19.02.2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
- Version / remarks:
- UN Recommendations on the TRANSPORT OF DANGEROUS GOODS:
Manual of Tests and Criteria, Rev. 6 (2015) and UN-Model Regulations, Rev. 20 (2017)
VDI 2263, sheet 1 (1990) - Deviations:
- not specified
- GLP compliance:
- no
Test material
- Reference substance name:
- p-benzoquinone
- EC Number:
- 203-405-2
- EC Name:
- p-benzoquinone
- Cas Number:
- 106-51-4
- Molecular formula:
- C6H4O2
- IUPAC Name:
- 1,4-benzoquinone
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Flammable solids
- Key result
- Test procedure:
- burning rate test over 100 mm length
- Burning time:
- 11 s
Any other information on results incl. tables
Preliminary Test
The burning time over a distance of 200 mm is 32 s. This is below the threshold of the burning time of 2 minutes to UN Transportation Regulation and GHS / CLP Regulation. Therefore the main test had to be performed.
Main Test
In the main test the burning time over a distance of 100 mm after a pre-burning distance of 80 mm was measured. The burning time over a distance of 100 mm is 11 s and the combustion could not be stopped by the wetted zone. The results of the tests are summarized in Table1.
Due to the fact that already in the first test the burning time was 11 s, no further tests were necessary.
Table1: Results of the main test of the burning rate
Test |
Burning time / s |
Combustion stopped by wetted zone |
1 |
11 |
no |
Applicant's summary and conclusion
- Interpretation of results:
- Category 1 (flammable solids) based on GHS criteria
- Conclusions:
- As determined by the ignition method, p-Benzoquinone is a flammable solid.
- Executive summary:
The burning time over a distance of 100 mm is 11 sand the combustion could not be stopped by the wetted zone.This is below the threshold for classification.
The test item p-benzoquinone has to be classified as flammable solid in category 1 with the Hazard Statement H228 “Flammable Solid” according to GHS and EC 1272/2008 (CLP Regulation) Annex 1: 2.7.
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