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Physical & Chemical properties

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Link to relevant study record(s)

Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
25 July 2016 to 26 August 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
other: UN Manual of Tests and Criteria: Test N.4 (Test method for self-heating substances)
Version / remarks:
United Nations (UN), UN no. ST/SG/AC.10/11/Rev.5: Recommendations on the Transport of Dangerous Goods, Part III: Classification Procedures, Test Methods and Criteria Relating to Class 2, Class 3, Class 4, Division 5.1, Class 8 and Class 9, Test N.4: “Test Method for Self-heating Substances”, 2009.
Deviations:
no
GLP compliance:
yes
Specific details on test material used for the study:
No further details specified in the study report.
Key result
Remarks on result:
no self ignition observed under the test conditions

A negative result was obtained. No spontaneous ignition occurred and no significant exothermic effect of the test item was observed. It demonstrated that the test item is “not a self-heating substance”. According to the UN guideline, no further testing is required.

After the experiment, the test item had turned into a white to off-white residue. This slight colour change indicated that the test item decomposed and/or reacted during the experiment.

Conclusions:
Self-heating of Lowinox® 22IB46 was determined in accordance with UN Test N.4 “Test Method for Self-heating Substances”.
From the negative result obtained at 140°C using a 10 cm sample cube, it was concluded that Lowinox® 22IB46 is not a self-heating substance.
Executive summary:

The purpose of the study was to determine the physico-chemical properties for Lowinox® 22IB46.

 

The test item was exposed to air at 140 °C using a temperature controlled laboratory oven, a cubic stainless steel wire 10 cm sample container, NiCr/Ni thermocouples and a temperature recording device. The study was performed in accordance with the following test guideline:

United Nations (UN), UN no. ST/SG/AC.10/11/Rev.5: Recommendations on the Transport of Dangerous Goods, Part III: Classification Procedures, Test Methods and Criteria Relating to Class 2, Class 3, Class 4, Division 5.1, Class 8 and Class 9, Test N.4: “Test Method for Self-heating Substances”, 2009.

 

A negative result was obtained. No spontaneous ignition occurred and no significant exothermic effect of the test item was observed. It demonstrated that the test item is “not a self-heating substance”. According to the UN guideline, no further testing is required.

 

After the experiment, the test item had turned into a white to off-white residue. This slight colour change indicated that the test item decomposed and/or reacted during the experiment.

 

Self-heating of Lowinox® 22IB46 was determined in accordance with UN Test N.4 “Test Method for Self-heating Substances”.

 

From the negative result obtained at 140°C using a 10 cm sample cube, it was concluded that Lowinox® 22IB46 is not a self-heating substance.

Description of key information

From the negative result obtained at 140°C using a 10 cm sample cube, it was concluded that Lowinox® 22IB46 is not a self-heating substance.

Key value for chemical safety assessment

Additional information

The purpose of the study was to determine the physico-chemical properties for Lowinox® 22IB46.

 

A negative result was obtained. No spontaneous ignition occurred and no significant exothermic effect of the test item was observed. It demonstrated that the test item is “not a self-heating substance”. According to the UN guideline, no further testing is required.

 

After the experiment, the test item had turned into a white to off-white residue. This slight colour change indicated that the test item decomposed and/or reacted during the experiment.

 

Self-heating of Lowinox® 22IB46 was determined in accordance with UN Test N.4 “Test Method for Self-heating Substances”.

 

From the negative result obtained at 140°C using a 10 cm sample cube, it was concluded that Lowinox® 22IB46 is not a self-heating substance.