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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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