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EC number: 700-341-1 | CAS number: 105194-34-1
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Testing was conducted between 30 April 2009 and 11 May 2009.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of Signature: 04/03/09 Date of Inspection: 19/08/08
- Type of method:
- effusion method: vapour pressure balance
Test material
- Reference substance name:
- 3-(biphenyl-4-yl)-6-(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione
- IUPAC Name:
- 3-(biphenyl-4-yl)-6-(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione
- Reference substance name:
- 3-{[1,1'-biphenyl]-4-yl}-6-(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
- EC Number:
- 700-341-1
- Cas Number:
- 105194-34-1
- Molecular formula:
- C24H15ClN2O2
- IUPAC Name:
- 3-{[1,1'-biphenyl]-4-yl}-6-(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
- Details on test material:
- Sponsor's identification : PDE-28
Description : red powder
Batch number : 1RF-8017
Date received : 23 March 2009
Storage conditions : room temperature in the dark
Constituent 1
Constituent 2
Results and discussion
Vapour pressure
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
Transition / decomposition
- Transition / decomposition:
- no
Any other information on results incl. tables
Run 1:
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10Vp |
185 |
458.15 |
0.002182691 |
2.59 |
2.590E-09 |
0.003595584 |
-2.444230615 |
186 |
459.15 |
0.002177937 |
3.22 |
3.220E-09 |
0.004470185 |
-2.349674507 |
187 |
460.15 |
0.002173204 |
3.22 |
3.220E-09 |
0.004470185 |
-2.349674507 |
188 |
461.15 |
0.002168492 |
3.53 |
3.530E-09 |
0.004900544 |
-2.309755673 |
189 |
462.15 |
0.002163800 |
3.14 |
3.140E-09 |
0.004359124 |
-2.360600731 |
190 |
463.15 |
0.002159128 |
2.90 |
2.900E-09 |
0.004025943 |
-2.395132381 |
191 |
464.15 |
0.002154476 |
4.32 |
4.320E-09 |
0.005997267 |
-2.222046632 |
192 |
465.15 |
0.002149844 |
3.92 |
3.920E-09 |
0.005441964 |
-2.264244312 |
193 |
466.15 |
0.002145232 |
4.79 |
4.790E-09 |
0.006649747 |
-2.177194865 |
194 |
467.15 |
0.002140640 |
4.32 |
4.320E-09 |
0.005997267 |
-2.222046632 |
195 |
468.15 |
0.002136067 |
3.45 |
3.450E-09 |
0.004789484 |
-2.319711284 |
No statistical analysis is given due to the nature of the plot
Run 2
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10Vp |
185 |
458.15 |
0.002182691 |
2.83 |
2.830E-09 |
0.003928765 |
-2.405743943 |
186 |
459.15 |
0.002177937 |
2.12 |
2.120E-09 |
0.002943103 |
-2.531194518 |
187 |
460.15 |
0.002173204 |
1.49 |
1.490E-09 |
0.002068502 |
-2.684344110 |
188 |
461.15 |
0.002168492 |
3.45 |
3.450E-09 |
0.004789484 |
-2.319711284 |
189 |
462.15 |
0.002163800 |
2.51 |
2.510E-09 |
0.003484523 |
-2.457856657 |
190 |
463.15 |
0.002159128 |
3.77 |
3.770E-09 |
0.005233726 |
-2.281189029 |
191 |
464.15 |
0.002154476 |
3.30 |
3.300E-09 |
0.004581245 |
-2.339016439 |
192 |
465.15 |
0.002149844 |
2.83 |
2.830E-09 |
0.003928765 |
-2.405743943 |
193 |
466.15 |
0.002145232 |
4.16 |
4.160E-09 |
0.005775146 |
-2.238437048 |
194 |
467.15 |
0.002140640 |
5.34 |
5.340E-09 |
0.007413288 |
-2.129989122 |
195 |
468.15 |
0.002136067 |
4.55 |
4.550E-09 |
0.006316566 |
-2.199518982 |
No statistical analysis is given due to the nature of the plot
Run 3
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10Vp |
185 |
458.15 |
0.002182691 |
1.41 |
1.410E-09 |
0.001957441 |
-2.708311266 |
186 |
459.15 |
0.002177937 |
2.43 |
2.430E-09 |
0.003373463 |
-2.471924105 |
187 |
460.15 |
0.002173204 |
2.35 |
2.350E-09 |
0.003262402 |
-2.486462516 |
188 |
461.15 |
0.002168492 |
2.20 |
2.200E-09 |
0.003054164 |
-2.515107698 |
189 |
462.15 |
0.002163800 |
3.69 |
3.690E-09 |
0.005122665 |
-2.290504013 |
190 |
463.15 |
0.002159128 |
1.33 |
1.330E-09 |
0.001846381 |
-2.733678738 |
191 |
464.15 |
0.002154476 |
3.38 |
3.380E-09 |
0.004692306 |
-2.328613678 |
192 |
465.15 |
0.002149844 |
3.69 |
3.690E-09 |
0.005122665 |
-2.290504013 |
193 |
466.15 |
0.002145232 |
3.69 |
3.690E-09 |
0.005122665 |
-2.290504013 |
194 |
467.15 |
0.002140640 |
3.22 |
3.220E-09 |
0.004470185 |
-2.349674507 |
195 |
468.15 |
0.002136067 |
3.61 |
3.610E-09 |
0.005011605 |
-2.300023177 |
No statistical analysis is given due to the nature of the plot
Run 4
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10Vp |
185 |
458.15 |
0.002182691 |
2.20 |
2.200E-09 |
0.003054164 |
-2.515107698 |
186 |
459.15 |
0.002177937 |
3.14 |
3.140E-09 |
0.004359124 |
-2.360600731 |
187 |
460.15 |
0.002173204 |
4.08 |
4.080E-09 |
0.005664085 |
-2.246870216 |
188 |
461.15 |
0.002168492 |
1.26 |
1.260E-09 |
0.001749203 |
-2.757159834 |
189 |
462.15 |
0.002163800 |
2.98 |
2.980E-09 |
0.004137003 |
-2.383314115 |
190 |
463.15 |
0.002159128 |
2.51 |
2.510E-09 |
0.003484523 |
-2.457856657 |
191 |
464.15 |
0.002154476 |
3.14 |
3.140E-09 |
0.004359124 |
-2.360600731 |
192 |
465.15 |
0.002149844 |
3.14 |
3.140E-09 |
0.004359124 |
-2.360600731 |
193 |
466.15 |
0.002145232 |
3.61 |
3.610E-09 |
0.005011605 |
-2.300023177 |
194 |
467.15 |
0.002140640 |
3.61 |
3.610E-09 |
0.005011605 |
-2.300023177 |
195 |
468.15 |
0.002136067 |
4.55 |
4.550E-09 |
0.006316566 |
-2.199518982 |
No statistical analysis is given due to the nature of the plot
Run 5
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10Vp |
185 |
458.15 |
0.002182691 |
2.20 |
2.200E-09 |
0.003054164 |
-2.515107698 |
186 |
459.15 |
0.002177937 |
1.65 |
1.650E-09 |
0.002290623 |
-2.640046435 |
187 |
460.15 |
0.002173204 |
2.51 |
2.510E-09 |
0.003484523 |
-2.457856657 |
188 |
461.15 |
0.002168492 |
2.20 |
2.200E-09 |
0.003054164 |
-2.515107698 |
189 |
462.15 |
0.002163800 |
2.83 |
2.830E-09 |
0.003928765 |
-2.405743943 |
190 |
463.15 |
0.002159128 |
1.57 |
1.570E-09 |
0.002179562 |
-2.661630726 |
191 |
464.15 |
0.002154476 |
2.43 |
2.430E-09 |
0.003373463 |
-2.471924105 |
192 |
465.15 |
0.002149844 |
3.06 |
3.060E-09 |
0.004248064 |
-2.371808952 |
193 |
466.15 |
0.002145232 |
4.40 |
4.400E-09 |
0.006108327 |
-2.214077702 |
194 |
467.15 |
0.002140640 |
2.75 |
2.750E-09 |
0.003817705 |
-2.418197685 |
195 |
468.15 |
0.002136067 |
3.38 |
3.380E-09 |
0.004692306 |
-2.328613678 |
No statistical analysis is given due to the nature of the plot
No statistical analyses were performed because the balance readings were too low and variable for a line of best fit to have any meaning. Instead it was considered more appropriate to impose a regression slope on a chosen data point to provide an estimate of the maximum value for the vapour pressure at 25ºC.
Run 5 was chosen because the sample had been under vacuum for the longest period prior to this run and so degassing would have been the most complete. The reading at 193ºC (466.15 K) was chosen because this is the data point which gives the highest estimated vapour pressure at any given temperature when a slope of –1500 K is imposed upon it.
The value of –1500 K is an in-house value and is the shallowest slope observed whilst determining the vapour pressure on a wide range of samples using the vapour pressure balance method. Extrapolation to 25ºC gave a vapour pressure of 9.392 x 10-5 Pa which has been taken as a maximum for this material.
The test material did not change in appearance under the conditions used in the determination.
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the test material has been determined to be less than 9.4 x 10-5 Pa at 25ºC.
- Executive summary:
- The vapour pressure was determined using Method A4, and was calulated to be less than 9.4 x 10-5 Pa at 25 deg C.
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