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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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