Registration Dossier

Diss Factsheets

Physical & Chemical properties

Vapour pressure

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
according to EU Method A.4
GLP compliance:
no
Type of method:
effusion method: Knudsen cell
Specific details on test material used for the study:
Batch number: N6A3l
Expiry date: 04 August 2022
Key result
Test no.:
#1
Temp.:
ca. 45 °C
Vapour pressure:
ca. 0.018 Pa
Key result
Test no.:
#2
Temp.:
ca. 60 °C
Vapour pressure:
ca. 0.119 Pa
Key result
Test no.:
#3
Temp.:
ca. 75 °C
Vapour pressure:
ca. 0.596 Pa
Conclusions:
For the test substance 5-Methyl-1H-benzotroazole, the following vapour pressures at 20°C and at 25°C were calculated from the regression equation:
Vapour pressure at 20°C: 5.85*10E-4 Pa
Vapour pressure at 25°C: 1.22*10E-3 Pa

Description of key information

Key value for chemical safety assessment

Vapour pressure:
0.001 Pa
at the temperature of:
25 °C

Additional information