Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2006
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report date:
2006

Materials and methods

Principles of method if other than guideline:
Test procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer. Determination of solubility in octanol-saturated water by UV-vis spectrometry

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(4-chloro-2,5-dimethoxyphenyl)-2-[[2,5-dimethoxy-4-[(phenylamino)sulphonyl]phenyl]azo]-3-oxobutyramide
EC Number:
235-427-3
EC Name:
N-(4-chloro-2,5-dimethoxyphenyl)-2-[[2,5-dimethoxy-4-[(phenylamino)sulphonyl]phenyl]azo]-3-oxobutyramide
Cas Number:
12225-18-2
Molecular formula:
C26H27ClN4O8S
IUPAC Name:
N-(4-chloro-2,5-dimethoxyphenyl)-2-[[2,5-dimethoxy-4-[(phenylamino)sulphonyl]phenyl]azo]-3-oxobutyramide

Results and discussion

Water solubility
Water solubility:
6.4 µg/L
Temp.:
26 °C
pH:
ca. 7
Details on results:
The value given refers to room temperature (25-26 °C, 26°C given here) and represents the mean from 3 determinations (sigma = 7.7). Individual values were: 0.7, 3.4 and 15.1 µg/L.

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): insoluble (< 0.1 mg/L)
The test substance is insoluble in water.
Executive summary:

The water solubility of the test substance was determined by UV-vis spectrometry to be 6.4 µg/L at 25 -26°C.