Dimethyl 5-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azoterephthalate

Auto flammability

Administrative data

Endpoint:

relative self-ignition temperature (solids)

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

test procedure in accordance with national standard methods with acceptable restrictions

Remarks:

similar to Directive VDI 2263, part 1

Cross-reference

Cross-reference 1

Reason / purpose for cross-reference:

reference to same study

Reference

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

31 Oct 2003

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

comparable to guideline study with acceptable restrictions

Remarks:

according to standard operating procedure of testing institute

Reason / purpose for cross-reference:

reference to same study

Reason / purpose for cross-reference:

reference to same study

Principles of method if other than guideline:

Differential thermal analysis (DTA)

Type of method:

differential scanning calorimetry

Decomposition:

yes

Decomp. temp.:

>= 310 °C

the test substance decomposes at an onset temperature of 310°C (peak 314°C) without melting; decomposition energy 240 J/g

Conclusions:

The test substance decomposes at an onset temperature of 310 °C without melting.

Cross-reference 2

Reason / purpose for cross-reference:

reference to same study

Reference

Endpoint:

flammable solids

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

test procedure in accordance with national standard methods with acceptable restrictions

Remarks:

similar to Directive VDI 2263, Part 1

Reason / purpose for cross-reference:

reference to same study

Reason / purpose for cross-reference:

reference to same study

Qualifier:

equivalent or similar to guideline

Guideline:

other: Directive VDI 2263, Part 1

Test procedure:

other: bunring index according to VDI 2263

Remarks on result:

other: burning index BZ3

Remarks:

localized combustion or glowing with practically no spreading

The heap of powder showed local burning without spread both at room temperature and at 100 °C. The combustion class number (BZ 3) was assigned.

Interpretation of results:

GHS criteria not met

Remarks:

Regulation (EC) no 1272/2008

Conclusions:

the test substance is not a flammable solid according to regulation (EC) No 1272/2008.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2003

Report date:

2003

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

other: Directive VDI 2263, part 1

Test material

Test material information

Constituent 1

Reference substance name:

Dimethyl 5-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azoterephthalate

EC Number:

249-955-7

EC Name:

Dimethyl 5-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azoterephthalate

Cas Number:

29920-31-8

Molecular formula:

C21H19N5O7

IUPAC Name:

dimethyl 5-({2-oxo-1-[(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)carbamoyl]propyl}diazenyl)isophthalate

Test material form:

solid: nanoform

Results and discussion

Relative self-ignition temperature (solids)

Relative self-ignition temperature:

>= 300 °C

Any other information on results incl. tables

The neat sample and the sample with kieselguhr show self-ignition in the Grewer oven starting at 300 °C. A multi-stage reaction leading to a temperature of more than 600°C was recorded.

Applicant's summary and conclusion

Conclusions:

The test substance shows self-ignition at 300 °C. Therefore, the test material is not a self-heating substance according to Regulation (EC) 1272/2008