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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
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:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
The determination was carried out using a flask method, designed to address the data endpoint of Method A.6 Water Solubility of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 105 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
The test system consisted of purified water.
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Pyrimidine-2-ol hydrochloride
EC Number:
253-897-8
EC Name:
Pyrimidine-2-ol hydrochloride
Cas Number:
38353-09-2
Molecular formula:
C4H4N2O.ClH
IUPAC Name:
pyrimidin-2-ol hydrochloride
Test material form:
solid: particulate/powder

Results and discussion

Water solubility
Key result
Water solubility:
>= 65 - <= 67 vol%
Conc. based on:
test mat. (dissolved fraction)
Temp.:
20 °C
pH:
>= 0.1 - <= 1.3
Remarks on result:
other: Due to the very high solubility of the test item in water, the standard regulatory method of preparing solutions at five times saturation concentration and analyzing the isolated solution for analysis was not considered relevant or feasible. The solubilit

Applicant's summary and conclusion

Conclusions:
Due to the very high solubility of the test item in water, the standard regulatory method of preparing solutions at five times saturation concentration and analyzing the isolated solution for analysis was not considered relevant or feasible. The solubility was therefore evaluated visually using a procedure based on the flask method specified in Method A.6 Water Solubility of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 105 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
The water solubility of the test item has been determined to be in the range 65.0 to 67.3% w/w of solution at 20.0 ± 0.5 °C.