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Diss Factsheets

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
07-Nov-2017 to 30-Nov-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Deviations:
no
GLP compliance:
yes
Type of method:
gas saturation method

Test material

Constituent 1
Chemical structure
Reference substance name:
reaction mass of (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylic acid and (1S,3S)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylic acid
EC Number:
614-283-9
Cas Number:
68127-59-3
Molecular formula:
C9H10ClF3O2
IUPAC Name:
reaction mass of (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylic acid and (1S,3S)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylic acid
Test material form:
solid

Results and discussion

Vapour pressureopen allclose all
Test no.:
#1
Temp.:
30 °C
Vapour pressure:
0.031 Pa
Remarks on result:
other: Gas flow rate 28.83 mln/min
Test no.:
#2
Temp.:
30 °C
Vapour pressure:
0.035 Pa
Remarks on result:
other: Gas flow rate 33.34 mln/min
Test no.:
#3
Temp.:
30 °C
Vapour pressure:
0.039 Pa
Remarks on result:
other: Gas flow rate 46.85 mln/min
Test no.:
#4
Temp.:
40 °C
Vapour pressure:
0.102 Pa
Remarks on result:
other: Gas flow rate 19.19 mln/min
Test no.:
#5
Temp.:
40 °C
Vapour pressure:
0.117 Pa
Remarks on result:
other: Gas flow rate 19.19 mln/min
Test no.:
#6
Temp.:
40 °C
Vapour pressure:
0.146 Pa
Remarks on result:
other: Gas flow rate 27.04 mln/min
Test no.:
#7
Temp.:
59.9 °C
Vapour pressure:
1.077 Pa
Remarks on result:
other: Gas flow rate 34.89 mln/min
Test no.:
#8
Temp.:
59.9 °C
Vapour pressure:
1.206 Pa
Remarks on result:
other: Gas flow rate 25.42 mln/min
Test no.:
#9
Temp.:
59.9 °C
Vapour pressure:
1.218 Pa
Remarks on result:
other: Gas flow rate 32.81 mln/min
Key result
Temp.:
25 °C
Vapour pressure:
0.018 Pa
Key result
Temp.:
20 °C
Vapour pressure:
0.009 Pa

Any other information on results incl. tables

Table 2: Experimental Results

The recovery test was performed at two levels and determined to be 99.9 and 99.1%

 Test Temperauture

(°C)

 Volume N2

(m3n)

  *Amount collected (ug) in 1st trap  *Amount collected (ug) in 2nd trap

 Total amount collected

(ug)

 Vapour Pressure

(mPa)

30.0

30.0

30.0

40.0

40.0

40.0

59.9

59.9

59.9

0.0284

0.0328

0.0462

0.0041

0.0058

0.0074

0.0022

0.0030

0.0039 

89.196

117.288

189.671

43.093

71.324

114.969

256.523

386.330

503.230 

3.758

3.598

1.378

1.375

0.711

1.166

0.000

0.323

0.616 

92.954

120.886

191.048

44.468

72.034

116.135

256.023

386.653

503.846 

 30.6

34.5

38.8

101.8

117.1

146.3

1076.7

1206.4

1218.4

 *average of duplicate injections

Vapour Pressure Curve of test substance

Log p (m Pa) = - 5164 X 1/T + 18.5717

From a fit of measurements between 30 °C and 60 °C (r = 0.997297)

Vapour pressure at 20 °C: 9.035 mPa

Vapour pressure at 25 °C: 17.837 mPa

(Extrapolation from the vapour pressure curve)

Applicant's summary and conclusion

Conclusions:
The vapour pressure of the test material has been determined using the gas saturation method to be:
17.837 mPa at 25 °C
9.035 mPa at 20 °C
Executive summary:

The vapour pressure of the test material has been determined using the gas saturation method to be:

17.837 mPa at 25 °C

9.035 mPa at 20 °C

This study was performed in accordance with the OECD guideline number 104, the EU method A.4 and the EPA test guideline OPPTS 830.7950 using the gas saturation method. The experiment was performed under GLP.