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Physical & Chemical properties

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Testing was conducted between 21 March 2005 and 02 June 2005. Report was finalised 15th September 2005.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Meets the criteria for classification as Reliable without restriction according to Klimisch et al (1997)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report date:
2005

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
dynamic method

Test material

Constituent 1
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Results and discussion

Vapour pressure
Key result
Temp.:
25 °C
Vapour pressure:
< 0 Pa
Remarks on result:
other: Less than 7.2 x 10·5 Pa at 25°C

Any other information on results incl. tables

 Run 1

 Temp (°C)  Temp (K)  Reciprocal Temp (K-1)  Mass Difference (µg)  Mass Difference (kg)  Vapour Pressure (Pa)  Log10 Vp
 230  503.15  0.001987478 11.07  1.107E-08  0.015367996  -1.813382758
 231  504.15  0.001987437  11.39  1.139E-08  0.015812238  -1.801006655
 232  505.15  0.001979610  9.6  9.60E-09  0.013327260  -1.875259146
 233  506.15  0.001975699  11.72  1.172E-08  0.016270363  -1.788602767
 234  507 .15  0.001971803  9.03  9.03E-09  0.012535953  -1.901842628
 235  508.15  0.001967923  11.88  1.188E-08 0.016492484  -1.782713938
 236  509.15  0.001964058  12.12  1.212E-08 0.016825665  -1.774027759
 237  510.15  0.001960208  13.02  1.302E-08 0.018075096  -1.742919394
 238  511 -15  0.001956373  12.77  1.277E-08 0.017728032  -1.751339481
 239  512.15  0.001952553  13.99  1.399E-08  0.019421704  -1.711712664
 240  513.15  0.001952478  11.31  11.31E-08  0.015701178  -1.804067774

Run 2

   

 Temp (°C)  Temp (K)  Reciprocal Temp (K-1)  Mass Difference (µg)  Mass Difference (Kg)  Vapour Pressure (Pa)  Log10 Vp
 230  503.5  0.001948748  9.52  1.060E-09  0.001471552  -2.832224513
 231  504.15  0.001944958  10.74 1074E+00  -  -
 232  505.15  0.001941182  0.16  1.600E-10  0.000222121  -3.653410396
 233  506.15  0.001937421  0.49  4.900E-10  0.000680246  -3.167334299
 234  507.15  0.001933675  0.00  0.000E+00  -  -
 235  508.15  0.001929943  0.00  0.000E+00  -  -
 236  509.15  0.001926226  -0.08  -8.00E-11  -  -
 237  510.15  0.001922522  0.90  9.00E-10  0.001249431  -2.903287869
 238  511.15  0.001918833  -0.73  -7.300E-10  -  -
 239  512.15  0.001915158  -0.24  -2.400E-10  -  -
 240  513.15  0.001911498  -0.65  -6.500E-10  -  -

 Run 3

 Temp (°C)  Temp (K) Reciprocal Temp (K-1)  Mass Difference (µg)  Mass Difference (Kg)  Vapour Pressure (Pa)  Log10 Vp
 230  503.15  0.001987479  8.46  8.460E-09  0.011744647  -1.930160016
 231  504.15  0.001983537  7.16  7.160E-09  0.009939914  -2.002617356
 232  505.15  0.001979610  8.38  8.38E-09  0.011633587  -1.934286360
 233  506.15  0.001975669  5.78  5.780E-09  0.008024121  -2.095602540
 234  507.15  0.001971803  7.16  7.16E-09  0.009939914  -2.002617356
 235  508.15  0.001967923  7.73  7.73E-09  0.010731220  -1.969350885
 236  509.15  0.001964058  8.14  8.140E-09  0.011300405  -1.946905974
 237  510.15  0.001960208  6.51  6.510E-09  0.009037548 - 2.043949390
 238  511.15  0.001956373  7.97  7.970E-09  0.011064402  -1.956072057
 239  512.15  0.001952553  5.29  5.290E-09  0.007343875  -2.134074707
 240  513.15  0.001948748  6.27  6.2700E-09  0.008704366  -2.060262838

Run 4

 

 

Temperature

(oC)

 

Temperature

(K)

ReciprocalTemperature(K1)

MassDifference (µg)

MassDifference(kg)

 

VapourPressure(Pa)

 

Log10Vp

230

503.15

0.001987479

6.02

6.020E-09

0.008357302

-2.077933887

231

504.15

0.001983537

5.86

5.860E-09

0.008135181

-2.089632763

232

505.15

0.001979610

5.37

5.370£-09

0.007454936

-2.127556093

233

506.15

0.001975699

5.21

5.210E-09

0.007232815

-2.140692655

234

507.15

0.001971803

6.10

6.lOOE-09

0.008468363

-2.072200544

235

508.15

0.001967923

5.70

5.700E-09

0.007913060

-2.101655523

236

509.15

0.001964058

5.29

5.290E-09

0.007343875

-2.134074707

237

510.15

0.001960208

4.64

4.640E-09

0.006441509

-2.191012398

238

511.15

0.001956373

4.31

4.310E-09

0.005983384

-2.223053109

239

512.15

0.001952553

5.78

5.780E-09

0.008024121

-2.095602540

240

 

513.15

0.001948748

5.70

5.700E-09

0.007913060

-2.101655523

Run 5

 

 

 

Temperature(OC)

 

Temperature

(K)

ReciprocalTemperature(K1)

MassDifference(µg)

MassDifference(kg)

 

VapourPressure(Pa)

 

Log10Vp

230

503.15

0.001987479

3.74

3.740E-09

0.005192078

-2.284658777

231

504.15

0.001983537

4.15

4.150E-09

0.005761263

-2.239482282

232

505.15

0.001979610

4.64

4.640E-09

0.006441509

-2.191012398

233

506.15

0.001975699

4.31

4.3lOE-09

0.005983384

-2.223053109

234

507.15

0.001971803

4.72

4.720E-09

0.006552569

-2.183588380

235

508.15

0.001967923

5.13

5.130E-09

0.007121754

-2.147413014

236

509.15

0.001964058

5.53

5.530E-09

0.007677057

-2.114805247

237

510.15

0.001960208

3.91

3.910E-09

0.005428082

-2.265353621

238

511.15

0.001956373

6.43

6.430E-09

0.008926487

-2.049319406

239

512.15

0.001952553

5.70

5.700E-09

0.007913060

-2.101655523

240

513.15

0.001948748

5.61

5.610E-09

0.007788117

-2.108567517

 

No statistical analysis is given due to the nature of the plot

 

Applicant's summary and conclusion

Conclusions:
The vapour pressure of the test material has been determined to be less than 7 .2 x 10-5 Pa at 25 °C.
Executive summary:

Introduction:

The Vapour Pressure was measured using EC method 92/69/EEC A4 (vapour pressure balance method)

Results and Conclusions:

The vapour pressure of the test material was determined to be less than 7.2 x 10-6 Pa at 25 °C.