Registration Dossier
Registration Dossier
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EC number: 202-200-5 | CAS number: 92-88-6
Flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- flammable solids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 10-11-2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Modern study conducted under GLP and to appropriate EC method.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.10 (Flammability (Solids))
- GLP compliance:
- yes (incl. QA statement)
- Key result
- Test procedure:
- burning rate test: preliminary screening test
- Remarks on result:
- substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The test item, 4,4-Biphenol can be classified as not flammable according to GHS or CLP criteria.
- Executive summary:
A preliminary test was conducted on the test substance, biphenyl, 4,4'-diol according to EU Method A.10. A hot flame from a gas burner was applied until the test substance ignited. Within the ignition zone the test item melted to a black liquid, which also burns. After 4 minutes approximately 1 cm of the cluster was burned down. As the flame did not propagate along the train for over 200 mm then a full test programme is not required. The substance can be classified as non-flammable.
Reference
In the preliminary study, 4,4 -Biphenol was flammable within 2 min by the flame of a gas burner. Within the ignition zone the test item melted to a black liquid, which also burns. After 4 minutes approximately 1 cm of the cluster was burned down. The test item burned to a black-grey, carbonized residuum.
According to the EU method A.10., as propagation of the flame did not occur over 200 mm of the train then a full test programme is not required.
Description of key information
The test item, Biphenyl-4,4'-diol can be classified as not flammable according to the GHS or CLP criteria.
Key value for chemical safety assessment
- Flammability:
- not classified
Additional information
Justification for classification or non-classification
No classification is proposed. There is no evidence that the substance is flammable.
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