Registration Dossier

Administrative data

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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2020
Report date:
2020

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
static method

Test material

Constituent 1
Chemical structure
Reference substance name:
Dicopper chloride trihydroxide
EC Number:
215-572-9
EC Name:
Dicopper chloride trihydroxide
Cas Number:
1332-65-6
Molecular formula:
ClCu2H3O3
IUPAC Name:
dicopper(2+) chloride trihydroxide
Test material form:
solid: particulate/powder
Specific details on test material used for the study:
Supplier: Manica SpA, Rovereto, Italy
Batch/ Lot Number: Y0280
Purity: 97.8%
Description: Light green powder
Expiry/ Re-test date: January 2022

Results and discussion

Vapour pressure
Key result
Temp.:
20 °C
Vapour pressure:
4.6 Pa

Any other information on results incl. tables

 Temp / °C   Temp / K  P / mbar   *P / mbar
Run 1          
 20.0  293.15 0.0427 4.27
 29.8 302.95  0.0985  9.85
 39.5  312.65  0.2540 25.40
 50.1  323.25  0.7117  71.17
Run 2     
 20.0 293.15  0.0493  4.93
 29.8 302.95  0.1034 10.34
 39.3 312.45  0.2194  21.94
 50.2  323.35  0.6655  66.55

*Calculated

For test Run 1 the test item was degassed for 17 hours prior to analysis.
For test Run 2 the test item was degassed for 16 hours prior to analysis.


Applicant's summary and conclusion

Conclusions:
The vapour pressure of the tested sample was 4.6 Pa at 20°C (mean of runs 1 & 2).
Executive summary:

A GLP-compliant study was conducted in accordance with EU Method A.4 (static method) to determine the vapour pressure of dicopper chloride trihydroxide at 20°C. The vapour pressure of the tested sample was found to be 4.6 Pa at 20°C (mean of two runs).