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EC number: 232-318-2 | CAS number: 8003-22-3 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 47000.
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Data from secondary source
Data source
Reference
- Reference Type:
- secondary source
- Title:
- Dissociation constant data for CAS no. 8003-22-3
- Author:
- National Advisory Environmental Health Sciences Council
- Year:
- 2 015
- Bibliographic source:
- National Institute of Environmental Health Sciences; USA.gov
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Not available
- Principles of method if other than guideline:
- Data from National Institute of Environmental Health Sciences
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 1,3-isobenzofurandione, reaction products with methylquinoline and quinoline
- EC Number:
- 232-318-2
- EC Name:
- 1,3-isobenzofurandione, reaction products with methylquinoline and quinoline
- Cas Number:
- 8003-22-3
- Molecular formula:
- C18H11NO2
- IUPAC Name:
- 2-(quinolin-2-yl)-2,3-dihydro-1H-indene-1,3-dione
- Reference substance name:
- 1,3-isobenzofurandione, reaction products with methylquinoline and quinolone
- IUPAC Name:
- 1,3-isobenzofurandione, reaction products with methylquinoline and quinolone
- Test material form:
- other: Solid
- Details on test material:
- - Name of test material (as cited in study report): D & C Yellow no. 11
- Molecular formula: C18H11NO2
- Molecular weight: 273.29 g/mol
- Substance type: Organic
- Physical state: Reddish-yellow to reddish-brown powder or solid.
Constituent 1
Constituent 2
Results and discussion
- Dissociating properties:
- not determined
Dissociation constant
- pKa:
- 5.28
- Remarks on result:
- other: (amine) (est)
Applicant's summary and conclusion
- Conclusions:
- The Dissociation Constants of D & C yellow no. 11 was found to be pKa = 5.28 (amine) (est)
- Executive summary:
The Dissociation Constants of D & C yellow no. 11 was found to be pKa = 5.28 (amine) (est)
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