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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
Reliability:
2 (reliable with restrictions)
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 202
Principles of method if other than guideline:
Stability and homogeneity of the test substance over 72 hours were investigated in DMSO and 1,2-propylene glycol at room temperature at 0.1 and 50 mg/ml using UV-vis-spectrometry

Test material

Constituent 1
Chemical structure
Reference substance name:
1-[(2,4-dinitrophenyl)azo]-2-naphthol
EC Number:
222-429-4
EC Name:
1-[(2,4-dinitrophenyl)azo]-2-naphthol
Cas Number:
3468-63-1
Molecular formula:
C16H10N4O5
IUPAC Name:
1-[(2,4-dinitrophenyl)azo]-2-naphthol
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Purity: 98.78%

Results and discussion

Test substance stable:
yes

Applicant's summary and conclusion

Conclusions:
Solubility (estimated): 0.1-1 g/L in DMSO (room temperature)
Stability: > 72h in DMSO at room temperature
> 72 h in 1,2-propylene glycol at room temperature