Registration Dossier

Administrative data

Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15.09.2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: scientifically acceptable study with detailed information

Data source

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

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: from vapour pressure graph accorind OECD Guideline 104
Principles of method if other than guideline:
According to OECD Guideline 104 a vapour pressure curve was determained. The boiling point at 1013 hPa was determined with the vapor pressure curve.
GLP compliance:
not specified
Type of method:
other: Vapour pressure curve determined according OECD Guideline 104.

Test material

Constituent 1
Chemical structure
Reference substance name:
α-methyl-1H-imidazole-1-ethanol
EC Number:
253-668-2
EC Name:
α-methyl-1H-imidazole-1-ethanol
Cas Number:
37788-55-9
Molecular formula:
C6H10N2O
IUPAC Name:
1-(1H-imidazol-1-yl)propan-2-ol
impurity 1
Chemical structure
Reference substance name:
2-(1H-imidazol-1-yl)propan-1-ol
Molecular formula:
C6H10N2O
IUPAC Name:
2-(1H-imidazol-1-yl)propan-1-ol
impurity 2
Chemical structure
Reference substance name:
1-{[1-(1H-imidazol-1-yl)propan-2-yl]oxy}propan-2-ol
Molecular formula:
C9H16N2O2
IUPAC Name:
1-{[1-(1H-imidazol-1-yl)propan-2-yl]oxy}propan-2-ol
impurity 3
Chemical structure
Reference substance name:
2-{[1-(1H-imidazol-1-yl)propan-2-yl]oxy}propan-1-ol
Molecular formula:
C9H16N2O2
IUPAC Name:
2-{[1-(1H-imidazol-1-yl)propan-2-yl]oxy}propan-1-ol
Test material form:
liquid

Results and discussion

Boiling point
Key result
Boiling pt.:
ca. 305 °C
Atm. press.:
>= 1 013 - <= 1 013 hPa
Decomposition:
no
Remarks on result:
other: determined from vapour pressure curve

Any other information on results incl. tables

Meaurement points for the vapour pressure curve

 pressure p [mbar]  ln (p)  temperature T [K]  1000/T [1/K]

0.7

 -0,3567  428,5  2,334
 2.7  0,9933  431,6  2,317
 4.6  1,5261  439,3  2,277
 9.4  2,2407  451,2  2,217
 29,2  3,3742  475,1  2,105
 49,1  3,8939  489,0  2,045
 99,1  4,5961  506,0  1,976
 193,3  5,2642  526,1  1,901
 1004  6,9117  579,0  1,727
 1004  6,9117  579,5  1,726
 1004  6,9117  578,2  1,730

The vapour pressure curve was calculated by linear regression: y = -0.102 ln(p) + 2.4354

with y = 1000/T [1/K]

R2 = 0,9984

For 1013 mbar a temperatur of 578 K results.

Applicant's summary and conclusion

Conclusions:
For 1013 hPa a boiling point of 305 °C was determined.