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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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

Auto flammability

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Administrative data

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:
15/06/2010 to 18/06/2010
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
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
other: United Nations Recommendations on the Transportation of Dangerous Goods, Manual of Tests and Criteria for substances of Class 4, Division 4.2.
Deviations:
not specified
GLP compliance:
yes
Remarks on result:
no self ignition observed under the test conditions
Remarks on result:
other: Appearance before test: White crystalline solid (powder). Appearance after test: A hardened solid mass remained, with no change in size. The test substance should be classified as “not a self-heating substance of Class 4, Division 4.2”.

Appearance before test: White crystalline solid (powder).

Appearance after test: A hardened solid mass remained, with no change in size.

It was determined that the test substance should be classified as “not a self-heating substance of Class 4, Division 4.2”.

Conclusions:
It was determined that dipotassium tetraborate should be classified as “not a self-heating substance of Class 4, Division 4.2”.
Executive summary:

Auto flammability test was performed according to the guideline 'UN recommendations on transportation of dangerous goods, manual of tests and criteria for substance of class 4' under GLP compliance. No change appeared on test item. Thus, It was determined that potassium pentaborate should be classified as “not a self-heating substance of Class 4, Division 4.2”.

Description of key information

Auto flammability test was performed according to the guideline 'UN recommendations on transportation of dangerous goods, manual of tests and criteria for substance of class 4' under GLP compliance. No change appeared on test item. Thus, It was determined that potassium pentaborate should be classified as “not a self-heating substance of Class 4, Division 4.2”.

Key value for chemical safety assessment

Additional information