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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 13 of may to 28 of june 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
not specified
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
effusion method: Knudsen cell
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch : 17025 25/26/28
- Expiration date of the lot/batch: 13 may 2020
- Manufacturing date: 13 may 2017
Strontium diacetate used as test item is hemihydrated
Key result
Test no.:
#5
Temp.:
20 °C
Vapour pressure:
0 Pa
Remarks on result:
other: calculated values
Key result
Test no.:
#6
Temp.:
25 °C
Vapour pressure:
0 Pa
Remarks on result:
other: calculated values
Test no.:
#1
Temp.:
288.1 °C
Vapour pressure:
0.838 Pa
Remarks on result:
other: evaporation rate : 6.81 microg/min
Test no.:
#2
Temp.:
297.6 °C
Vapour pressure:
1.183 Pa
Remarks on result:
other: evaporation rate : 9.53 microg/min
Test no.:
#3
Temp.:
303.4 °C
Vapour pressure:
1.465 Pa
Remarks on result:
other: evaporation rate :11.74 microg/min
Test no.:
#4
Temp.:
308.9 °C
Vapour pressure:
1.769 Pa
Remarks on result:
other: evaporation rate : 14.11 microg/min
Conclusions:
The vapour pressure of test item was 4.02E-09 Pa and 7.88E-09 Pa at 20 and 25°C respectively, calculated using Antoine equation and following the guideline OECD 104.

Description of key information

The vapour pressure of test item was 4.02E-09 Pa and 7.88E-09 Pa at 20 and 25°C respectively, calculated using Antoine equation and following the guideline OECD 104.

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
20 °C

Additional information