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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:
From February 19, 2008 to May 14, 2008
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
yes
Type of method:
flask method
Water solubility:
258 g/L
Conc. based on:
test mat.
Temp.:
20.1 °C
pH:
4.6

In Preliminary, the content of test substance dissolved in the water sample was 263 g/l.

 

Table 1. Main study-water solubility of the test substance

Stirring time

(hours)

Analysed concentration

(g/l)

Mean

(g/l)

MD

(%)

pH

24

268

258

6.1

4.5

48

254

4.5

72

252

4.6

Conclusions:
According to OECD 105 and EU Method A.6, the water solubility of Everzol Red CDN Crude at 20.1 ± 0.5°C was 258 g/l.
Executive summary:

This test using the procedures outlined in the NOTOX Study Plan for 487467, OECD 105 and EU Method A.6.

The flask method was chosen for the determination of the water solubility of Everzol Red CDN. In Main study, the maximum difference (MD) of the concentrations determined in the 24, 48 and 72 hour test sample was < 15%. The pH of the aqueous sample after 72 hours stirring was 4.6. No test substance was detected in the pretreated samples from the blank water mixture. Therefore, the water solubility of Everzol Red CDN Crude at 20.1± 0.5°C was 258 g/l.

Description of key information

The water solubility of Everzol Red CDN Crude at 20.1± 0.5°C was 258 g/l (OECD TG105 and EU Method A.6).

 

Key value for chemical safety assessment

Water solubility:
258 g/L
at the temperature of:
20.1 °C

Additional information

The maximum difference (MD) of the concentrations determined in the 24, 48 and 72 hour test sample was < 15%. The pH of the aqueous sample after 72 hours stirring was 4.6. No test substance was detected in the pretreated samples from the blank water mixture.