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EC number: 210-723-5 | CAS number: 622-20-8
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: vapour pressure balance
- Specific details on test material used for the study:
- Identification: 1,1'-[ethane-1,2-diylbis(thio)]bisbenzene
Appearance/Physical state: White solid
Batch: 7061415
Purity: 99.96%
Expiry date: 13 February 2019
Storage conditions: Room temperature in the dark - Key result
- Test no.:
- #3
- Temp.:
- 25 °C
- Vapour pressure:
- < 0.006 Pa
- Conclusions:
- The vapor pressure of 1,1'-[ethane-1,2-diylbis(thio)]bisbenzene has been determined to be less than 5.7 x 10-3 Pa at 25 °C
- Executive summary:
The vapor pressure of 1,1'-[ethane-1,2-diylbis(thio)]bisbenzene has been determined to be less than 5.7 x 10-3 Pa at 25 °C, using the vapor pressure balance method, designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.
Reference
Run 1
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (μg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
45 |
318.15 |
0.003143171 |
5.19 |
5.190E-09 |
0.007205050 |
-2.142363021 |
46 |
319.15 |
0.003133323 |
3.69 |
3.690E-09 |
0.005122665 |
-2.290504013 |
47 |
320.15 |
0.003123536 |
4.89 |
4.890E-09 |
0.006788573 |
-2.168221520 |
48 |
321.15 |
0.003113810 |
3.29 |
3.290E-09 |
0.004567363 |
-2.340334481 |
49 |
322.15 |
0.003104144 |
4.39 |
4.390E-09 |
0.006094445 |
-2.215065858 |
50 |
323.15 |
0.003094538 |
2.90 |
2.900E-09 |
0.004025943 |
-2.395132381 |
51 |
324.15 |
0.003084992 |
2.30 |
2.300E-09 |
0.003192989 |
-2.495802543 |
52 |
325.15 |
0.003075504 |
2.90 |
2.900E-09 |
0.004025943 |
-2.395132381 |
53 |
326.15 |
0.003066074 |
3.19 |
3.190E-09 |
0.004428537 |
-2.353739696 |
54 |
327.15 |
0.003056702 |
3.00 |
3.000E-09 |
0.004164769 |
-2.380409124 |
55 |
328.15 |
0.003047387 |
2.50 |
2.500E-09 |
0.003470640 |
-2.459590370 |
Run 2
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (μg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
45 |
318.15 |
0.003143171 |
4.69 |
4.690E-09 |
0.006510922 |
-2.186357536 |
46 |
319.15 |
0.003133323 |
3.39 |
3.390E-09 |
0.004706189 |
-2.327330681 |
47 |
320.15 |
0.003123536 |
2.00 |
2.000E-09 |
0.002776512 |
-2.556500383 |
48 |
321.15 |
0.003113810 |
2.40 |
2.400E-09 |
0.003331815 |
-2.477319137 |
49 |
322.15 |
0.003104144 |
2.20 |
2.200E-09 |
0.003054164 |
-2.515107698 |
50 |
323.15 |
0.003094538 |
2.10 |
2.100E-09 |
0.002915338 |
-2.535311084 |
51 |
324.15 |
0.003084992 |
2.40 |
2.400E-09 |
0.003331815 |
-2.477319137 |
52 |
325.15 |
0.003075504 |
2.40 |
2.400E-09 |
0.003331815 |
-2.477319137 |
53 |
326.15 |
0.003066074 |
2.20 |
2.200E-09 |
0.003054164 |
-2.515107698 |
54 |
327.15 |
0.003056702 |
2.90 |
2.900E-09 |
0.004025943 |
-2.395132381 |
55 |
328.15 |
0.003047387 |
2.90 |
2.900E-09 |
0.004025943 |
-2.395132381 |
Run 3
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (μg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
45 |
318.15 |
0.003143171 |
6.59 |
6.590E-09 |
0.009148608 |
-2.038644964 |
46 |
319.15 |
0.003133323 |
3.59 |
3.590E-09 |
0.004983840 |
-2.302435930 |
47 |
320.15 |
0.003123536 |
1.70 |
1.700E-09 |
0.002360036 |
-2.627081457 |
48 |
321.15 |
0.003113810 |
2.00 |
2.000E-09 |
0.002776512 |
-2.556500383 |
49 |
322.15 |
0.003104144 |
2.60 |
2.600E-09 |
0.003609466 |
-2.442557031 |
50 |
323.15 |
0.003094538 |
3.29 |
3.290E-09 |
0.004567363 |
-2.340334481 |
51 |
324.15 |
0.003084992 |
2.40 |
2.400E-09 |
0.003331815 |
-2.477319137 |
52 |
325.15 |
0.003075504 |
3.00 |
3.000E-09 |
0.004164769 |
-2.380409124 |
53 |
326.15 |
0.003066074 |
3.10 |
3.100E-09 |
0.004303594 |
-2.366168685 |
54 |
327.15 |
0.003056702 |
2.40 |
2.400E-09 |
0.003331815 |
-2.477319137 |
55 |
328.15 |
0.003047387 |
3.49 |
3.490E-09 |
0.004845014 |
-2.314704952 |
Description of key information
Key value for chemical safety assessment
Additional information
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