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Diss Factsheets

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experimental period 27 November 2017- 29 November 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

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:
effusion method: isothermal thermogravimetry

Test material

Constituent 1
Reference substance name:
602-259-0
Cas Number:
12222-74-1
IUPAC Name:
602-259-0
Test material form:
solid: particulate/powder
Details on test material:
Test material from Sensient UK, various batches, see individual endpoint for specifics.
Specific details on test material used for the study:
Appearance: Black powder with lumps (determined by Charles River Den Bosch)
Batch: 0133011101 (taken from label)
Purity/Composition: 100%
Test item storage: At room temperature
Stable under storage conditions until: 17 October 2022 (expiry date)

Results and discussion

Vapour pressureopen allclose all
Key result
Test no.:
#1
Temp.:
ca. 20 °C
Vapour pressure:
< 1.3 other: x10-8 Pa
Key result
Test no.:
#2
Temp.:
ca. 25 °C
Vapour pressure:
< 7.2 other: x10-8 Pa

Any other information on results incl. tables

Vapour Pressure of the Test Item

 

20°C

25°C

[Pa]

[mm Hg]

[Pa]

[mm Hg]

Test item

< 1.3x10 -8

< 1.0x10 -10

< 7.2x10 -8

< 5.4x10-10

Applicant's summary and conclusion

Conclusions:
The isothermal TGA effusion method was applied for the determination of the vapour pressure of DBN.
The vapour pressure of the test item was:
<1.3x10-8 Pa at 20°C (293K)
<7.2x10-8 Pa at 25°C (298K)
Executive summary:

The isothermal TGA effusion method was applied for the determination of the vapour pressure of DBN.

The vapour pressure of the test item at 20°C (293K) and 25°C (298K) was:

 

20°C

25°C

[Pa]

[mm Hg]

[Pa]

[mm Hg]

Test item

< 1.3x10 -8

< 1.0x10 -10

< 7.2x10 -8

< 5.4x10-10