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Diss Factsheets

Administrative data

Endpoint:
water solubility
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:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
no
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
(2H)chloroform
EC Number:
212-742-4
EC Name:
(2H)chloroform
Cas Number:
865-49-6
Molecular formula:
CCl3D
IUPAC Name:
chloroform
Test material form:
liquid

Results and discussion

Water solubility
Key result
Water solubility:
4.6 g/L
Conc. based on:
test mat.
Temp.:
20 °C
pH:
>= 6.3 - <= 6.8
Details on results:
A first test series was performed. These measurements showed a standard deviation og more tham 85 %. This could have been cyused by the high vapour pressure of the test item and a subsequent evaporation of the test item from the aqueous phase. The test series was therefore repeated usind more tightly closed flasks to reduce the effect from a possible evaporation of the test item (however no greae could be used for closing the flasks since this also influences the results).
A second test series was performed. After the equilibration time only the 24 h experiment showed two phases. The 48 h and the 72 h experiments showed only one phase. It was therefore assumed that the test was also influenced by the high vapour pressure of the test item. The test series was repeated again using a lower stirring temperature (10 °C instead of 30 °C). After the equilibration time (further stirring for 24 h at 20 °C) all three experiments showed two phases.

Any other information on results incl. tables

Water solubility experiments of the test item:

 Experiment  24 h  48 h  72 h  Blank (72 h)
 amount of test item / g  1.40  1.40  1.44  -
 amount of demineralized water / mL  10  10  10  10
 stirring time at 10 °C / h  24  48  72  72
 pH at 23 °C  6.6  6.3  6.8  6.0
 aliquot of the flasks / mL  0.25  0.25  0.25  0.25
 dilution to volume / mL  1.0  1.0  1.0  1.0
 dilution factor  4  4  4  4
 measured concentration / mg/L  1158.1/1156.3  1151.7/1145.6  1161.2/1154.0  -/-
 mean concentration / ml/L  1157.2  1148.7  1157.6  -
water solubilitx / g/L   4.6  4.6  4.6  -

Applicant's summary and conclusion