Registration Dossier
Registration Dossier
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EC number: 217-752-2 | CAS number: 1948-33-0
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 10-04-2018 – 10-04-2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- Data is from experimental study report
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
- GLP compliance:
- no
Test material
- Reference substance name:
- 2-tert-butylhydroquinone
- EC Number:
- 217-752-2
- EC Name:
- 2-tert-butylhydroquinone
- Cas Number:
- 1948-33-0
- Molecular formula:
- C10-H14-O2
- IUPAC Name:
- 2-tert-butylbenzene-1,4-diol
- Test material form:
- solid
- Details on test material:
- - Name of test material: 2-tert-butylbenzene-1,4-diol
- Molecular formula: C10H14O2
- Molecular weight: 166.219 g/mol
- Smiles notation: Oc1c(cc(O)cc1)C(C)(C)C
- InChl: 1/C10H14O2/c1-10(2,3)8-6-7(11)4-5-9(8)12/h4-6,11-12H,1-3H3
- Substance type: organic
- Physical state:solid
Constituent 1
- Specific details on test material used for the study:
- - Name of test material: 2-tert-butylbenzene-1,4-diol
- Molecular formula: C10H14O2
- Molecular weight: 166.219 g/mol
- Smiles notation: Oc1c(cc(O)cc1)C(C)(C)C
- InChl: 1/C10H14O2/c1-10(2,3)8-6-7(11)4-5-9(8)12/h4-6,11-12H,1-3H3
- Substance type: organic
- Physical state:solid
Results and discussion
pH value
- Key result
- pH value:
- 4.5
- Temp.:
- 28 °C
- Concentration:
- 1 vol%
- Remarks on result:
- other: acidic in nature
Any other information on results incl. tables
| Method Details | Observations | |
| Guideline | OECD 122 | |
Method |
Digital pH meter | |
| Principle of Method | The mean pH of an aqueous solution or dispersion in water was determined with a pH measurement interface equipped with an appropriate electrode system. | |
| Temperature of 1% w/v test | dispersion 28°C | |
| mean pH (RESULT) | 4.50 | |
| Inference | 1. Acidic 2. Basic 3. Neutral |
Acidic |
Applicant's summary and conclusion
- Conclusions:
- The pH determination of test item 2-tert-butylhydroquinone (CAS No 1948-33-0) was done following OECD guideline 122. pH of 1% w/v dispersion was measured with the help of pH meter and it was observed to be 4.50 at 28 °C.
- Executive summary:
The pH determination of test item 2-tert-butylhydroquinone (CAS No 1948-33-0) was done following OECD guideline 122. pH of 1% w/v dispersion was measured with the help of pH meter and it was observed to be 4.50 at 28 °C. Hence the substance acidic in nature.
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