4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxy-N-(2-methylphenyl)naphthalene-2-carboxamide

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:

03 Apr 2008

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Acceptable, well-documented study report which meets basic scientific principles.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2011

Report date:

2011

Materials and methods

Principles of method if other than guideline:

Stability in organic solvents by UV-vis spectrometry

Test material

Test material information

Constituent 1

Reference substance name:

4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxy-N-(2-methylphenyl)naphthalene-2-carboxamide

EC Number:

229-314-8

EC Name:

4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxy-N-(2-methylphenyl)naphthalene-2-carboxamide

Cas Number:

6471-50-7

Molecular formula:

C24H17ClN4O4

IUPAC Name:

4-[(4-chloro-2-nitrophenyl)diazenyl]-3-hydroxy-N-(2-methylphenyl)-2-naphthamide

Results and discussion

Test substance stable:

yes

Any other information on results incl. tables

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) at room temperature.

Intensive stirring is necessary.

Applicant's summary and conclusion

Conclusions:

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) at room temperature.

Executive summary:

The stability of the test substance in organic solvents was determined by UV-vis spectrometry.

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) at room temperature.