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Physical & Chemical properties

Stability in organic solvents and identity of relevant degradation products

Administrative data

Endpoint:
stability in organic solvents and identity of relevant degradation products
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2007
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
according to company guideline, but limited documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Principles of method if other than guideline:
UV-vis spectrometry after stirring for 72 h at room temperature in DMSO and 1,2-propylene glycol

Test material

Constituent 1
Chemical structure
Reference substance name:
Reaction mass of 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] and 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2-methylphenyl)-3-oxobutyramide] and 2-[[3,3'-dichloro-4'-[[1-[[(2,4-dimethylphenyl)amino]carbonyl]-2-oxopropyl]azo][1,1'-biphenyl]-4-yl]azo]-3-oxo-N-(o-tolyl)butyramide
EC Number:
911-715-0
Molecular formula:
C34H30Cl2N6O4 // C35H32Cl2N6O4 // C36H34Cl2N6O4
IUPAC Name:
Reaction mass of 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] and 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2-methylphenyl)-3-oxobutyramide] and 2-[[3,3'-dichloro-4'-[[1-[[(2,4-dimethylphenyl)amino]carbonyl]-2-oxopropyl]azo][1,1'-biphenyl]-4-yl]azo]-3-oxo-N-(o-tolyl)butyramide
Test material form:
solid: nanoform

Results and discussion

Test substance stable:
yes

Any other information on results incl. tables

At room temperature, the test substance is stable and homogeneous for more than 72 hours in DMSO (0.1 and 50 mg/mL) and in 1,2 -propylene glycol (0.1 and 50 mg/mL).

Applicant's summary and conclusion

Conclusions:
The test substance is stable and homogenous in DMSO and in 1,2 -propylene glycol.
Executive summary:
The stability of the test substance was determined using UV-vis spectrometry. The test substance was stable in DMSO and in 1,2 -propylene glycol for more than 72 hours.