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EC number: 270-608-0 | CAS number: 68457-79-4
Auto flammability
Administrative data
- Endpoint:
- auto-ignition temperature (liquids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 3 June 2010 - 8 June 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study was performed according to guideline
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Phosphorodithioic acid, mixed O,O-bis(iso-Bu and pentyl) esters, zinc salts
- EC Number:
- 270-608-0
- EC Name:
- Phosphorodithioic acid, mixed O,O-bis(iso-Bu and pentyl) esters, zinc salts
- Cas Number:
- 68457-79-4
- Molecular formula:
- {[(iso-C4H9O)0.64(C5H11O)0.36]PS2}2Zn - neutral, {[(iso-C4H9O)0.64(C5H11O)0.36]PS2}6Zn4O - basic
- IUPAC Name:
- Phosphorodithioic acid, mixed O,O-bis(iso-Bu and pentyl) esters, zinc salts
- Details on test material:
- - Substance type: a mixture of coordination compounds in oil consisting of a zinc metal complex bonded to alkydithiophosphate ligands
Constituent 1
Results and discussion
Auto-ignition temperature (liquids / gases)
- Auto-ignition temperature:
- 262 °C
- Atm. press.:
- >= 99.95 - <= 102.04 kPa
- Remarks on result:
- other:
Any other information on results incl. tables
Table 1. Results of Auto-Flammability Test
Test Temperature (0C) |
Test Volume (µL) |
Ignition Delay (sec) |
Observations |
50 (clean flask) |
70 |
> 300 |
No ignition |
100 (clean flask) |
70 |
> 300 |
No ignition |
150 |
70 |
> 300 |
No ignition |
200 |
70 |
> 300 |
No ignition, grey fumes emitted |
250 |
70 |
> 300 |
No ignition, grey fumes emitted |
300 |
70 |
11 |
Orange flame, grey flumes emitted |
280 |
70 |
> 300 |
No ignition, grey fumes emitted |
290 |
70 |
26 |
Orange flame, grey flumes emitted |
284 |
70 |
41 |
Orange flame, grey flumes emitted |
282 |
70 |
38 |
Orange flame, grey flumes emitted |
280 (clean flask) |
70 |
45 |
Orange flame, grey flumes emitted |
270 (clean flask) |
70 |
> 300 |
No ignition, grey fumes emitted |
276 (clean flask) |
70 |
52 |
Orange flame, grey flumes emitted |
274 (clean flask) |
70 |
> 300 |
No ignition, grey fumes emitted |
274 (clean flask) |
200 |
70 |
Orange flame, grey flumes emitted |
270 (clean flask) |
200 |
> 300 |
No ignition, grey fumes emitted |
272 (clean flask) |
200 |
87 |
Orange flame, grey flumes emitted |
270 (clean flask) |
200 |
122 |
Orange flame, grey flumes emitted |
268 (clean flask) |
200 |
132 |
Orange flame, grey flumes emitted |
266 (clean flask) |
200 |
152 |
Orange flame, grey flumes emitted |
264 (clean flask) |
400 |
> 300 |
No ignition, grey fumes emitted |
264 (clean flask) |
600 |
258 |
Orange flame, grey flumes emitted |
262 (clean flask) |
600 |
285 |
Orange flame, grey flumes emitted |
260 (clean flask) |
600 |
> 300 |
No ignition, grey fumes emitted |
260 (clean flask) |
800 |
> 300 |
No ignition, grey fumes emitted |
260 (clean flask) |
1000 |
> 300 |
No ignition, grey fumes emitted |
260 (clean flask) |
1200 |
> 300 |
No ignition, grey fumes emitted |
260 (clean flask) |
1400 |
> 300 |
No ignition, grey fumes emitted |
Applicant's summary and conclusion
- Conclusions:
- The auto-ignition temperature of the substance is 262 degrees C
- Executive summary:
The auto-ignition temperature of the substance was determined using a method designed to be compatible with EU Method A.15. Varying amounts of the substance were heated in a flask and observed for signs of ignition over a 300 second period until the lowest temperature at which ignition occured was determined.
The auto-ignition temperature of the test substance was determined to be 262 degrees C at atmospheric pressures between 99.95 - 102.04 kPa.
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