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Physical & Chemical properties

Water solubility

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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:
guideline study with acceptable restrictions
Remarks:
test procedure simiolar to OECD 105

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
yes
Remarks:
modified taking into account the very low water solubility of the test substance
Principles of method if other than guideline:
The method for the determination and analytical investigation is according to the method that was agreed upon at the "Analytical Experts Meeting" of ETAD (Basel) on January 12, 2005.
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-[ethylenebis(oxyphenyl-2,1-eneazo)]bis[N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
EC Number:
278-770-4
EC Name:
2,2'-[ethylenebis(oxyphenyl-2,1-eneazo)]bis[N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
Cas Number:
77804-81-0
Molecular formula:
C36H32N10O8
IUPAC Name:
2,2'-[ethylenebis(oxyphenyl-2,1-eneazo)]bis[N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
Test material form:
solid: bulk

Results and discussion

Water solubility
Water solubility:
17 µg/L
Temp.:
23 °C
pH:
ca. 7
Remarks on result:
other: The determination of water solubility was conducted at ambient temperature (23-24 °C)
Details on results:
The value above represents the mean from three determinations (sigma=6). See below for indidividual results.

Any other information on results incl. tables

Individual results:

 

Absorption

(d = 10 cm)

µg/L

a1

0.00643

11.1

a2

0.01037

18.2

a3

0.01260

22.2

 

Applicant's summary and conclusion

Conclusions:
the test substance is practically insoluble in water (< 0.1 mg/L)