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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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)diazenyl]-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