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Diss Factsheets

Physical & Chemical properties

Flammability

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Administrative data

Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-12-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.10 (Flammability (Solids))
Deviations:
not specified
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-tert-butylphenol
EC Number:
202-679-0
EC Name:
4-tert-butylphenol
Cas Number:
98-54-4
Molecular formula:
C10H14O
IUPAC Name:
4-tert-butylphenol
Details on test material:
- Name of test material (as cited in study report): para-tertiary butylphenol, UCAR Butylphenol 4T-Flake (para tert-Butyl Phenol), PTBP.
- Physical state: White flakes.
- Analytical purity: Not reported.
- Lot/batch No.: Charge No. 496500; BRRC Sample No. 48-186.
- Expiration date of the lot/batch: Not reported.
- Stability under test conditions: Not reported.
- Storage condition of test material: Not reported.

Results and discussion

Flammable solids
Key result
Test procedure:
burning time (test type not further specified)
Burning time:
93 s
Pyrophoric solids
Key result
Test procedure:
ignition time on contact with air
Remarks on result:
no ignition on contact with air (not further specified)
Pyrophoric liquids
Key result
Test procedure:
ignition time on contact with air
Remarks on result:
no ignition on contact with air (not further specified)

Any other information on results incl. tables

Preliminary screening test:

The sample train can be ignited: yes

The combustion propagates along more than 50 mm: yes

The combustion propagates along more than 100 mm: yes

The combustion propagates along 200 mm within: < 4 minutes

Burning rate test must be done: yes

Burning rate test:

1. burning rate  95 s
 2. burning rate  100 s
 3. burning rate  110 s
4. burning rate    93 s
 5. burning rate  95 s
6. burning rate  100 s

Moisture content of the sample: < 0.1 wt.%

Applicant's summary and conclusion

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The shortest burning rate was determined to be 93 s. The individual results were 95, 100, 110, 93, 95 and 100 seconds.
Executive summary:

4 -tert-Butylphenol was tested according EU method A10 "Flammability (solids)" 31.05.2008. The preliminary screening test showed that the test substance propagates burning of a 200 mm length of the powder train in less than 4 minutes, therefore a burning rate test was conducted. 4 -tert-Butylphenol was judged to be "non-flammable" as the shortest burning time in up to 6 tests was more than 45 s.