Registration Dossier
Registration Dossier
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EC number: 476-670-7 | CAS number: -
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- auto-flammability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- June, 2007
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- according to guideline
- Guideline:
- other: method ,,B’’, clause 5 of Polish Standard PN-EN 50281-2-1:2002-12. „Electrical apparatus for use in the presence of combustible dust Part 2-1: Test methods – Methods for determining the minimum ignition temperatures of dust”.
- Principles of method if other than guideline:
- The test for dusts, powders and granulates consists in introducing into the vertical, opened on one end, cylindrical ignition chamber (silica glass tube) heated in electric oven (Godbert-Greenwald apparatus), a small amount of sample using a blast of compressed air and observing if, for a given temperature of the chamber walls, an ignition appears or not. Changing in many ignition trials the temperature of the chamber walls and amount of a sample according to requirements fixed in Standard Operating Procedure (SOP) we are looking for the lowest value of temperature in which an ignition appears.
- GLP compliance:
- yes (incl. QA statement)
- Key result
- Auto-ignition temperature:
- 690 °C
- Atm. press.:
- 1 014 hPa
- Conclusions:
- The minimum ignition temperature of chelate Fe (III) IDHA has a value 690 °C.
- Executive summary:
Determination of the ignition temperatureof chelate Fe (III) IDHAwas performed according tomethod ,,B’’,clause 5 of Polish Standard PN-EN 50281-2-1:2002-12. „Electrical apparatus for use in the presence of combustible dust Part 2-1: Test methods – Methods for determining the minimum ignition temperatures of dust”.
The test for dusts, powders and granulates consists in introducing into the vertical, opened on one end, cylindrical ignition chamber (silica glass tube) heated in electric oven (Godbert-Greenwald apparatus), a small amount of sample using a blast of compressed air and observing if, for a given temperature of the chamber walls, an ignition appears or not. Changing in many ignition trials the temperature of the chamber walls and amount of a sample according to requirements fixed in Standard Operating Procedure (SOP) we are looking for the lowest value of temperature in which an ignition appears.
On the basis of trials described above and observations made during the run of the main determination, it has been found that the experimental value of minimum ignition temperature ofchelate Fe (III) IDHAwas 710 °C.
According to SOP and the Polish Standard PN-EN 50281-2-1:2002-12 it was determined that minimum ignition temperature ofchelate Fe (III) IDHA has a value of 690 °C.
Reference
Preliminary ignition temperature value:
Optimum experimental conditions established for this determination were as follows:
Compressed air blast time: 0,2 s
Compressed air blast pressure: 0,15 Kpa
Weighed portion of the sample tested:
Preliminary ignition temperature value determined in preliminary test carried out at elevating temperature in the test chamber and measurements at everywas.
Main determination of ignition temperature:
Temperature– positive result (ignition) at first trial
Temperature– positive result (ignition) at third trial
Temperature– positive result (ignition) at 6-th trial
Temperature– 10 trials including 5 positive
Temperature– 10 trials including 3 positive
Temperature– 10 negative trials
On the basis of trials described above and observations made during the run of the main determination, it has been found that the experimental value of minimum ignition temperature ofchelate Fe (III) IDHA was 710 °C.
According to SOP and the Polish Standard PN-EN 50281-2-1:2002-12 it was determined that minimum ignition temperature ofchelate Fe (III) IDHA has a value of 690 °C.
Description of key information
The minimum ignition temperature of chelate Fe (III) IDHA has a value 690 °C.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 690 °C
Additional information
On the basis of trials described above and observations made during the run of the main determination, it has been found that the experimental value of minimum ignition temperature ofchelate Fe (III) IDHA was 710 oC.
According to SOP and the Polish Standard PN-EN 50281-2-1:2002-12 it was determined that minimum ignition temperature ofchelate Fe (III) IDHA has a value of 690 oC.
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