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EC number: 221-831-7 | CAS number: 3248-91-7
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:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Justification for type of information:
- Experimental test result performed using standard OECD test guidelines.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: as mentioned below
- Principles of method if other than guideline:
- The pH determination of test item 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride was done as per the test guideline OECD 122, with the help of digital pH meter.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride
- EC Number:
- 221-831-7
- EC Name:
- 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride
- Cas Number:
- 3248-91-7
- Molecular formula:
- C22H24ClN3
- IUPAC Name:
- 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride
- Test material form:
- other: Solid crystalline powder
- Details on test material:
- - Name of test material: C.I. Basic Violet 2 / (4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride)
- IUPAC name: 4-[(4-amino-3-methylphenyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline hydrochloride
- Molecular formula: C22H24ClN3
- Molecular weight: 365.906 g/mole
- Smiles :C(\c1cc(c(N)cc1)C)(c1cc(c(N)cc1)C)=C1\C=C(C(=[NH+])C=C1)C.[ClH-]
- Inchl: 1S/C22H23N3.ClH/c1-13-10-16(4-7-19(13)23)22(17-5-8-20(24)14(2)11-17)18-6-9-21(25)15(3)12-18;/h4-12,23H,24-25H2,1-3H3;1H
- Substance type: Organic
- Physical state: Dark green powder
Constituent 1
- Specific details on test material used for the study:
- - Name of test material: C.I. Basic Violet 2 / (4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride)
- IUPAC name: 4-[(4-amino-3-methylphenyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline hydrochloride
- Molecular formula: C22H24ClN3
- Molecular weight: 365.906 g/mole
- Smiles :C(\c1cc(c(N)cc1)C)(c1cc(c(N)cc1)C)=C1\C=C(C(=[NH+])C=C1)C.[ClH-]
- Inchl: 1S/C22H23N3.ClH/c1-13-10-16(4-7-19(13)23)22(17-5-8-20(24)14(2)11-17)18-6-9-21(25)15(3)12-18;/h4-12,23H,24-25H2,1-3H3;1H
- Substance type: Organic
- Physical state: Solid Green crystalline powder
Reagents
- Reagent:
- water
Results and discussion
pH value
- Key result
- pH value:
- 3.12
- Temp.:
- 25.2 °C
- Remarks on result:
- other: pH of 1% w/v solution of the test item
Any other information on results incl. tables
TEST DESCRIPTION AND RESULT
Method Details |
Observations |
Remarks if, any |
|
Guideline |
OECD 122 |
|
|
Method |
Digital pH meter |
|
|
Principle of Method |
The mean pH of an aqueous solution or dispersion in water is determined with a pH measurement interface equipped with an appropriate electrode system |
|
|
Temperature of 1% w/v test emulsion |
|
25.2°C |
|
mean pH (RESULT) |
|
3.12 |
|
Inference
|
1. Acidic 2. Basic 3. Neutral
|
Acidic |
|
Applicant's summary and conclusion
- Conclusions:
- The pH of 1% w/v solution of the test item 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride (CAS No 3248-91-7) was 3.12 at 25.2 °C.
- Executive summary:
The pH determination of test item 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1- ylidene)methyl]-o-toluidine monohydrochloride (CAS No 3248-91-7) was done following OECD guideline 122. pH of 1% w/v solution was measured with the help of pH meter and it was observed to be 3.12 at 25.2 °C.
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