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Water solubility

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Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
29.10.-27.11.2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
yes
Remarks:
See any other infrormation...
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method
Key result
Water solubility:
139.49 g/L
Conc. based on:
test mat.
Temp.:
20 °C
pH:
> 2.78 - < 2.91

Table No.4: Average of 1st and 2nd determination of the test substance solubility in water by flask method.

Day

1stmeasurement (g/L)

2nd measurement

Average of 1stand 2nd measurement (g/L)

1st

136,85

142,13

139,49

Conclusions:
Interpretation of results: very soluble (> 10000 mg/L)The water solubility of the test substance Reactive orange 5 established by the flask method is 139,49 g/l.
Executive summary:

Water solubility test was performed for the test substance Reactive Orange 5. Flask method was used.

Test was performed according to the Method A.6., Water Solubility, Council Regulation (EC) No.440/2008, Published in O.J. L 142, 2008.

The concentration of the test substance in the aqueous solution was determined by HPLC.

The water solubility of the test substance, Reactive Orange 5,established by the flask method is 139,49 g/L.

Description of key information

The test was performed according to the Method A.6., Water Solubility. Flask method was used.

Only one study is available.

GLP study.

Klimish score 1.

Key value for chemical safety assessment

Water solubility:
139 g/L
at the temperature of:
20 °C

Additional information

Reactive Orange 5 is very soluble substance.

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