2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2-methylphenyl)-3-oxobutyramide]

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

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:

2008

Report date:

2008

Materials and methods

Principles of method if other than guideline:

Analytical method: UV-vis-spectrometry
Apparatus: Perkin Elmer Lambda 20

Test material

Test material information

Constituent 1

Reference substance name:

2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2-methylphenyl)-3-oxobutyramide]

EC Number:

226-789-3

EC Name:

2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2-methylphenyl)-3-oxobutyramide]

Cas Number:

5468-75-7

Molecular formula:

C34H30Cl2N6O4

IUPAC Name:

2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(2-methylphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-N-(2-methylphenyl)-3-oxobutanamide

Test material form:

solid: nanoform

Results and discussion

Test substance stable:

yes

Transformation products:

no

Any other information on results incl. tables

At room temperature, the test substance was stable and homogeneous for more than 72 hours in DMSO and in1,2 -propylene glycol.

Applicant's summary and conclusion

Executive summary:

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