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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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:
06 Jun - 11 Jul 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

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)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

1
Chemical structure
Reference substance name:
(5Z)-5-(2-methylpropylidene)imidazolidine-2,4-dione
EC Number:
700-726-4
Cas Number:
1369499-44-4
Molecular formula:
C7H10N2O2
IUPAC Name:
(5Z)-5-(2-methylpropylidene)imidazolidine-2,4-dione
Test material form:
solid: particulate/powder

Results and discussion

Flammable solids
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

Any other information on results incl. tables

Preliminary test:


At one end of the pile a flame is applied for maximum 2 minutes. lf the pile bums over a distance of 200 mm within 2 minutes, the main test has to be performed. lf there is no ignition of the test item


after 2 minutes of contact with the flame or the pile bums less than 200 mm within 2 minutes, the main test is unnecessary.


 


Main test:


At one end of the pile a flame is applied. After the pile has burned over a distance of 80 mm, the rate of burning is measured over the next 100 mm. The test is performed six times, using a clean


cool plate each time.


 


Apparatus:


• Mould: L x W x H: 250 x 20 x 10 mm


• Non-combustible, non-porous plate


 


 


Individual Results


 


Preliminary test:


The test item could not be ignited with a flame. The test item melted. The performance of the main test was not necessary.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
Due to the burning behaviour the test item has not to be classified as a "readily combustible solid", class 4.1, of the UN transport regulations.