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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:
2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.6 (Water Solubility)
Version / remarks:
Published in O.J. L 142 (2008)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
flask method
Key result
Water solubility:
40.8 g/L
Conc. based on:
test mat.
Incubation duration:
3 d
Temp.:
20 °C
pH:
ca. 8.3

Table 1: Results of determination of test substance solubility in water by flask method

Day

pH of saturated solution

1stinjection

(g/L)

2ndinjection

(g/L)

average

(g/L)

1st

8.24

38.55

39.45

39.0

2nd

8.34

42.79

41.88

42.3

3rd

8.25

40.98

41.26

41.1

Overall mean

40.8

Conclusions:
The water solubility of the test substance, Direct Yellow 28, established by the flask method, is 40.8 g/L (at 20°C).
Executive summary:

Water solubility test was performed for the test substance, Direct Yellow 28. Flask method was used. The 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 water solubility of the test substance, Direct Yellow 28, established by the flask method, is 40.8 g/L (at 20°C).

Description of key information

The water solubility of the test substance, Direct Yellow 28,established by the flask method, is 40.8 g/L (at 20°C).

Key value for chemical safety assessment

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

Additional information