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EC number: 204-934-1 | CAS number: 129-17-9
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Experimental result using standard mehtod of analysis
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 122
- GLP compliance:
- no
Test material
- Reference substance name:
- Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt
- EC Number:
- 204-934-1
- EC Name:
- Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt
- Cas Number:
- 129-17-9
- Molecular formula:
- C27H32N2O6S2.Na
- IUPAC Name:
- hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- CAs No: 129-17-9Chemical NAme: hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium saltNature of chemical: Organic
Constituent 1
Results and discussion
pH value
- pH value:
- 10.37
- Temp.:
- 30.3 °C
- Concentration:
- 1 other: %w/v
- Remarks on result:
- other: Basic pH
Any other information on results incl. tables
Method Details | Observations | Remarks if, any | |
Guideline | OECD 122 |
|
|
Method
| pH Meter |
| |
Principle of method
| A pH meter is essentially a voltmeter with high input impedance which measures the voltage of an electrode sensitive to the hydrogen ion concentration, relative to another electrode which exhibits a constant voltage. |
| |
Temperature of 1% w/v test solution | - | 30.3 °C | |
pH (RESULT)
| - | 10.37 | |
Inference | 1. Acidic 2. Basic 3. Neutral
|
Basic
| |
Applicant's summary and conclusion
- Conclusions:
- pH of 1% w/v aqueous solution of the test item hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt (CAS No. 129-17-9 ) is 10.37 at 30.3 °C indicating alkaline pH of the test solution.
- Executive summary:
pH of 1% w/v aqueous solution of the test item hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene] cyclohexa-2,5-dien-1-ylidene] diethylammonium, sodium salt (CAS No. 129-17-9 ) is 10.37 at 30.3 °C indicating alkaline pH of the test solution.
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