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Link to relevant study record(s)

Reference
Endpoint:
explosiveness, other
Type of information:
experimental study
Adequacy of study:
key study
Study period:
29 April 2003 - 9 May 2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Reference:
Composition 1
Qualifier:
according to
Guideline:
other: IEC Standard 1241-2-1, Part 2
Version / remarks:
minimum ignition temperature-layer
Deviations:
not specified
Principles of method if other than guideline:
Minimum ignitoin temperature (Layer) is the lowest temperature at which a powder layer will exotherm or spontaneously ignite on contact with a hot surface.
GLP compliance:
yes (incl. certificate)
Test material information:
Composition 1
Specific details on test material used for the study:
Moisture content: 0.5% w/w
Batch number: H03421
Parameter:
other: Minimum ignition temperature - Layer
Value:
400
Remarks on result:
other:
Remarks:
No ignition or exotherm observed up to 400C

Screening Test 1:

Hot plate (C)

Sample (C) Time (min) Observations
237 145 34 Smoking
293  246 42 Melting and boiling
396 264 58

 Boiling black tar

Screening Test 2:

Hot plate (C)

Sample (C) Time (min) Observations
266 174 39 Boiling and smoking
355  154 52 Boiling black tar
Interpretation of results:
GHS criteria not met
Conclusions:
No ignition or exotherm observed up to temperatures of 400C.
Executive summary:

Maximum ignition temperature for a powder layer was measured according to SOP-08, using a controlled hot plate and Pico-log data acquisition system, based on IEC Standard 1241 -2 -1, Part 2. Two screening tests were performed. No ignition or exotherm was observed up to temperatures of 400C.

Description of key information

Maximum ignition temperature for a powder layer was measured according to SOP-08, using a controlled hot plate and Pico-log data acquisition system, based on IEC Standard 1241 -2 -1, Part 2. Two screening tests were performed. No ignition or exotherm was observed up to temperatures of 400C.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

Justification for classification or non-classification

The results of a minimum ignition temperature test, performed under GLP conditions, observed no ignition or exotherm up to temperatures of 400C.