Registration Dossier

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
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:
2007
Report date:
2007

Materials and methods

Principles of method if other than guideline:
Determination of water solubility.
The analytical method for the determination is in agreement with the method that was agreed upon at the "Analytical Experts Meeting" of ETAD (Basel) on January 12, 2005.

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-2-[[2-(trifluoromethyl)phenyl]azo]butyramide
EC Number:
268-734-6
EC Name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-2-[[2-(trifluoromethyl)phenyl]azo]butyramide
Cas Number:
68134-22-5
Molecular formula:
C18H14F3N5O3
IUPAC Name:
3-oxo-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-{[2-(trifluoromethyl)phenyl]diazenyl}butanamide

Results and discussion

Water solubility
Water solubility:
14.2 µg/L
Temp.:
24 °C
pH:
ca. 7
Remarks on result:
other: The determination of water solubility was conducted at ambient temperature (24-25 °C)
Details on results:
The value above represents the mean from three determinations (sigma=2.3). See below for indidividual results.

Any other information on results incl. tables

Individual results:

 

Absorption

(d = 10 cm)

µg/L

a1

0.00650

11.7

a2

0.00853

14.8

a3

0.00947

16.2

 

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): insoluble (< 0.1 mg/L)
The test substance has a water solubility of 14.2 µg/L.
Executive summary:

The water solubility was determined by UV-Vis analysis of the dissolved test substance amount in 30 mL water.

The test substance has a water solubility of 14.2 µg/L (24-25 °C).