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Registration Dossier
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EC number: 221-424-4 | CAS number: 3089-17-6
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:
- 2 010
- Report date:
- 2010
Materials and methods
- Principles of method if other than guideline:
- UV-Vis analysis of test substance solutions in DMSO and in 1,2-propylene glycol after stirring for 72 hours at room temperature
Test material
- Reference substance name:
- 5,12-dihydro-2,9-dimethylquino[2,3-b]acridine-7,14-dione
- EC Number:
- 213-561-3
- EC Name:
- 5,12-dihydro-2,9-dimethylquino[2,3-b]acridine-7,14-dione
- Cas Number:
- 980-26-7
- Molecular formula:
- C22H16N2O2
- IUPAC Name:
- 2,9-dimethyl-5,12-dihydroquino[2,3-b]acridine-7,14-dione
- Test material form:
- solid: nanoform
- Details on test material:
- name of test material (as cited in study report): Hostaperm Pink E
batch: DEB2018126
analytical purity: 98.44 % (w/w) C.I. Pigment Red 122
Constituent 1
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 both in DMSO (0.1 and 50 mg/mL) and 1,2 -propylene glycol (0.1 and 50 mg/mL).
Applicant's summary and conclusion
- Conclusions:
- The test item is stable in DMSO and 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 1,2 -propylene glycol for more than 72 hours.
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