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Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24 August 2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Valid method

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Principles of method if other than guideline:
Determination of water solubility by UV-vis spectrometry

Test material

Constituent 1
Chemical structure
Reference substance name:
Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(phenyl and o-tolyl) derivs.
EC Number:
272-732-0
EC Name:
Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(phenyl and o-tolyl) derivs.
Cas Number:
68910-13-4
Molecular formula:
C32H26O4N6Cl2 - C34H30O4N6Cl2
IUPAC Name:
Reaction mass of 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazendiyl)]bis[3-oxo-N-phenylbutyramide], 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[N-(2-methylphenyl)-3-oxobutyramide] and 2-[2-[3,3'-dichloro-4'-[2-[1-[[(2-methylphenyl)amino]carbonyl]-2-oxopropyl]diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-3-oxo-N-phenylbutyramide

Results and discussion

Water solubility
Water solubility:
< 1 µg/L
Temp.:
23 °C
pH:
ca. 7
Details on results:
Water solubility was below the limit of detection of 18 µg/L in alll three determinations.

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 using UV-vis spectrometry. The water solubility at 23°C was below the limit of detection of 1 µg/L.