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Flammability

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Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
Qualifier:
according to
Guideline:
EU Method A.10 (Flammability (Solids))
GLP compliance:
yes (incl. certificate)
Other quality assurance:
other: SOP-LA-101
Remarks:
Flammability of solids
Test procedure:
burning rate test: preliminary screening test
Remarks on result:
other: In the preliminary test, the spread of the combustion over about 30 mm in 120 s could be detected. The flame went out multiple times.
Remarks:
In the preliminary test the test item did only burn over a distance of 30 mm in 120 s. Thus, the performance of the main test was not necessary.

Preliminary Test:

In the preliminary test, the spread of the combustion over about 30 mm in 120 s could be detected. The flame went out multiple times.

Main Test:

In the preliminary test the test item did only burn over a distance of 30 mm in 120 s. Thus, the performance of the main test was not necessary.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item only burned over a distance of 30 mm in 120 s applying a flame as ignition source for at least 2 minutes. Therefore the test item exceeds the limit for classification. It is not classified based on GHS criteria.
Executive summary:

The flammability of the test item was investigated according to UN method N.1. The test item Hydrogen [4-[[4-diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcylohexa-2,5-dien-1-ylidene](ethyl)3-sulphonatobenzyl)ammonium, sodium salt only burned over a distance of 30 mm in 120 s applying a flame as ignition source for at least 2 minutes. Therefore the test item exceeds the limit for classification.

The test item is classified as follows:

UN Transport Regulation: The product has not to be classified as readily combustible solid in class 4.1 according to the UN Transport Regulation.

GHS (CLP Regulation EC 1272/2008: Annex 1: 2.7): The product has not to be classified as flammable solid according to GHS / CLP Regulation EC 1272/2008 Annex 1: 2.7.

Endpoint:
pyrophoric liquids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the organic substance does not contain metals or metalloids and hence, the classification procedure does not need to be applied
Endpoint:
pyrophoric solids
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.13 (Pyrophoric Properties of Solids and Liquids)
Qualifier:
according to
Guideline:
UN Manual of Tests and Criteria: Test N.2 (Test method for pyrophoric solids)
GLP compliance:
yes (incl. certificate)
Other quality assurance:
other: SOP-LA-131
Remarks:
Pyrophoric properties
Test procedure:
ignition time on contact with air
Result:
other: The test item does not show an ignition when in contact with air in all six tests within 5 min.
Remarks on result:
no ignition within 5 minutes

The following Table 2 shows the results of the tests with the test item was poured from approximately 1 meter high onto a non-combustible surface at ambient temperature.

Table 2:       Results of the six tests with the test item at ambient temperature

 Test

 1  3  4  5  6
 Ignition No No  No  No No No

The test item does not show an ignition when in contact with air in all six tests within 5 min.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item has no pyrophoric properties. Thus, it is not classified based on GHS criteria.
Executive summary:

The pyrophoric properties of test item Hydrogen [4-[[4-diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcylohexa-2,5-dien-1-ylidene](ethyl)3-sulphonatobenzyl)ammonium, sodium salt was investigated according to Regulation EC No. 440/2008, Part A, A.13. For this purpose, the test item was poured from approximately 1 meter high onto a non-combustible surface at ambient temperature. The test item did not show an ignition when in contact with air in all six tests within 5 min. As a result, the test item has no pyrophoric properties and is therefore not classified based on GHS criteria.

Endpoint:
substances / mixtures which in contact with water emit flammable gases
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.12 (Flammability (Contact with Water))
Qualifier:
according to
Guideline:
UN Manual of Tests and Criteria: Test N.5 (Test method for substances which in contact with water emit flammable gases)
GLP compliance:
yes (incl. certificate)
Other quality assurance:
other: SOP-LA-121
Remarks:
Development of flammable gases in contact with water
Test procedure:
step 1
Remarks on result:
no reaction with water observed
Test procedure:
step 2
Remarks on result:
no reaction with water observed
Test procedure:
step 3
Remarks on result:
no reaction with water observed
Test procedure:
step 4
Remarks on result:
no reaction with water observed

Step 1

The test item emitted no gas when placed in a bowl containing distilled water.

Step 2

The test item emitted no gas when placed on a filter paper floating on the surface of a bowl containing distilled water.

Step 3

The test item emitted no gas when a few drops of water are added to the test item.

Step 4

The following table shows the result of Step 4:

Table 4: Results of step 4

   Test 1   Test 2   Test 3
 Amount of test item [g]  10.1  10.2  10.1
 Amount of water [mL]  20  20  20
 Time [h]

       Amount of emitted gas / mL

 1  0  0  0
 2  0  0  0
 3  0  0  0
 4  0  0  0
 5  0  0  0
 6  0  0  0
 7  0  0  0

After the addition of water the test item emitted no gas.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item does not emit flammable gases in contact with water.
Executive summary:

The property of emitting flammable gases in contact with water of the test item Hydrogen [4-[[4-diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcylohexa-2,5-dien-1-ylidene](ethyl)3-sulphonatobenzyl)ammonium, sodium salt was investigated according to the EU method A.12 and UN Manual of Tests and Criteria: Test N.5. It does not emit flammable gases in contact with water in any of the 4 steps of the test procedure.

According to the results of the test on Substances which in contact with water emit flammable gases, the test item is classified as follows:

UN-Transport Regulations: The test item has not to be classified in Class 4 Division 4.3 “Substances which in contact with water emit flammable gases” according to the UN Transport Regulations.

GHS and EC 1272/2008 (CLP Regulation): The test item has not to be classified as “Substance or mixture which in contact with water emit flammable gases” according to GHS and EC 1272/2008 (CLP Regulation) Annex 1: 2.12.

Endpoint:
self-heating substances / mixtures
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
UN Manual of Tests and Criteria: Test N.4 (Test method for self-heating substances)
Guideline:
other: VDI 2263 (1990), sheet 1, Grewer Oven
Version / remarks:
Screening test
GLP compliance:
yes (incl. certificate)
Other quality assurance:
other: SOP-LA-162
Remarks:
Relative Self-Ignition Temperature of Solids (Grewer-oven)
Test procedure:
other: Screening test: Grewer oven
Max. temp. reached:
265
Result:
positive outcome (effect observed)

In the investigation of self-ignition in the Grewer-oven for the pure test item a self-ignition was observed at a temperature of 225 °C, which led to a maximum temperature of 265 °C, Figure 4 and Figure 5. The test item after the test is shown in Figure 6. Table 3 summarizes the results of the Grewer-oven experiment.

Table 3: Results of the screening test for self-ignition in the Gewer-Oven

 Experiment  Onset self-ignition / °C  Maximum temperature / °C
 Pure test item  225  265
Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item indicated a self-heating at atmospheric pressure starting at a temperature of approx. 225 °C, which leaded to a maximum temperature of 265 °C.
Executive summary:

The pure test item Hydrogen [4-[[4-diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcylohexa-2,5-dien-1-ylidene](ethyl)3-sulphonatobenzyl)ammonium, sodium salt indicated a self-heating at atmospheric pressure starting at a temperature of approx. 225 °C, which leaded to a maximum temperature of 265 °C.

UN Transport Regulation: The test item has not to be classified as self-heating substance in class 4, division 4.2 according to the UN Transport Regulation.

GHS / CLP Regulation EC 1272/2008 Annex 1: 2.11: The test item has not to be classified as self-heating substance according to GHS/CLP Regulation EC 1272/2008 Annex 1: 2.11.

Description of key information

Contact with water:

The property of emitting flammable gases in contact with water of the test item Hydrogen [4-[[4-diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcylohexa-2,5-dien-1-ylidene](ethyl)3-sulphonatobenzyl)ammonium, sodium salt was investigated according to the EU method A.12 and UN Manual of Tests and Criteria: Test N.5. It does not emit flammable gases in contact with water in any of the 4 steps of the test procedure.

According to the results of the test on Substances which in contact with water emit flammable gases, the test item is classified as follows:

UN-Transport Regulations: The test item has not to be classified in Class 4 Division 4.3 “Substances which in contact with water emit flammable gases” according to the UN Transport Regulations.

GHS and EC 1272/2008 (CLP Regulation): The test item has not to be classified as “Substance or mixture which in contact with water emit flammable gases” according to GHS and EC 1272/2008 (CLP Regulation) Annex 1: 2.12.

Pyrophoric solids:

The pyrophoric properties of test item Hydrogen [4-[[4-diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcylohexa-2,5-dien-1-ylidene](ethyl)3-sulphonatobenzyl)ammonium, sodium salt was investigated according to Regulation EC No. 440/2008, Part A, A.13. For this purpose, the test item was poured from approximately 1 meter high onto a non-combustible surface at ambient temperature. The test item did not show an ignition when in contact with air in all six tests within 5 min. As a result, the test item has no pyrophoric properties and is therefore not classified based on GHS criteria.

Flammable solids:

The flammability of the test item was investigated according to UN method N.1. The test item Hydrogen [4-[[4-diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcylohexa-2,5-dien-1-ylidene](ethyl)3-sulphonatobenzyl)ammonium, sodium salt only burned over a distance of 30 mm in 120 s applying a flame as ignition source for at least 2 minutes. Therefore the test item exceeds the limit for classification.

The test item is classified as follows:

UN Transport Regulation: The product has not to be classified as readily combustible solid in class 4.1 according to the UN Transport Regulation.

GHS (CLP Regulation EC 1272/2008: Annex 1: 2.7): The product has not to be classified as flammable solid according to GHS / CLP Regulation EC 1272/2008 Annex 1: 2.7.

Self-heating:

The pure test item Hydrogen [4-[[4-diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcylohexa-2,5-dien-1-ylidene](ethyl)3-sulphonatobenzyl)ammonium, sodium salt indicated a self-heating at atmospheric pressure starting at a temperature of approx. 225 °C, which leaded to a maximum temperature of 265 °C.

UN Transport Regulation: The test item has not to be classified as self-heating substance in class 4, division 4.2 according to the UN Transport Regulation.

GHS / CLP Regulation EC 1272/2008 Annex 1: 2.11: The test item has not to be classified as self-heating substance according to GHS/CLP Regulation EC 1272/2008 Annex 1: 2.11.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Justification for classification or non-classification