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Physical & Chemical properties

Water solubility

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Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13 Sep - 15 Nov 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
1995
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Version / remarks:
2008
Type of method:
flask method
Specific details on test material used for the study:
Storage conditions: dry at ambient temperature (10 - 30 °C)
Water solubility:
< 9.8 mg/L
Remarks on result:
other: Preliminary water solubiltiy test at room temperature, pH not specified.

Results
Preliminary Test

The preliminary test at room temperature showed, that the water solubility of the test item was < 9.8 mg/L. The observations of the preliminary test are summarized in Table 1.

Table 1 - Preliminary test for the water solubility

Amount of test item [mg]

Total volume of added water [mL]

Stirring time [min]

Remark

109.43

0.1

---*

not dissolved

0.6

---*

not dissolved

1.6

2*

not dissolved

3.6

2*

not dissolved

13.6

5*

not dissolved

100

5*

not dissolved

9.22

100

1475

not dissolved

4.84

250

1475

not dissolved

4.90

500

1475

not dissolved

*The mixture was treated in an ultrasonic bath.

The solubility of the test item in water at room temperature was estimated to be < 9.8 mg/L.

Final Results

According to OECD Test Guideline 105 (1995) and Regulation EC No. 440/2008 Method A.6. the water solubility of the test item Na-ETS-4was estimated by performing the preliminary test to:
cS < 9.8 mg/L

Description of key information

< 9.8 mg/L under ambient conditions (Flask method preliminary test, OECD 105)

Key value for chemical safety assessment

Additional information