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Physical & Chemical properties

Auto flammability

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Link to relevant study record(s)

Reference
Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
08 June 2010-18 June 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Valid and conclusive guideline study under GLP
Qualifier:
according to
Guideline:
other: United Nations (UN), UN no. ST/SG/AC.10/11/Rev.4: Recommendations on the Transport of Dangerous Goods, Part III: Classification Procedures, Test Methods and Criteria Relating to Explosives of Class 3, Class 4, Division 5.1 and Class 9, Test N.4 , 2003
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks on result:
other: No exothermic reaction observed; Test item temperature not exceeded 200 °C (i.e. rise >60 °C above oven temperature); thus considered negative response; no changes in appearance of test item; test item considered ‘not self-ignitable’
Remarks on result:
other: No exothermic reaction observed; Test item temperature not exceeded 200 °C (i.e. rise >60 °C above oven temperature); thus considered negative response; no changes in appearance of test item; test item considered ‘not self-ignitable’
Conclusions:
The substance is considered 'not self-ignitable'.

Description of key information

No self-ignition possible

Key value for chemical safety assessment

Additional information

Testing for this endpoint has been waived in accordance with column 2 restrictions. The submission item category members do not contain elements such as carbon and hydrogen necessary for auto flammability in air.

A recent, reliable screening test for self-heating conducted in accordance with UN method N.4 has demonstrated that the solid salt form of ferrous sulphate gives a negative result. The salts is non-self-ignitable (at 140 °C using the modified Bowes-Cameron cage test), which is as expected for non-combustible inorganic substances (Baltussen, 2010 study 492704).

  • Baltussen E (2010). Determination of physico-chemical properties of 202026/C. Testing laboratory: NOTOX B.V., 's-Hertogenbosch, The Netherlands. Report no. 492704. Owner company: ReachCentrum SPRL, P-I236 AlFe REACH Consortium (Iron Salts sub-consortium), Brussels, Belgium.