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EC number: 214-049-2 | CAS number: 1074-95-9
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017-01-20 – 2017-01-20
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Justification for type of information:
- Experimental test result performed using standard 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:
- OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
- Principles of method if other than guideline:
- 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
- GLP compliance:
- no
Test material
- Reference substance name:
- (±)-menthone
- EC Number:
- 214-049-2
- EC Name:
- (±)-menthone
- Cas Number:
- 1074-95-9
- Molecular formula:
- C10H18O
- IUPAC Name:
- 2-isopropyl-5-methylcyclohexanone
- Test material form:
- liquid
- Details on test material:
- - Name of test material: 2-isopropyl-5-methylcyclohexanone
- Molecular formula: C10 H18 O
- Molecular weight: 154.2512g/mol
- Smiles notation: C1([C@@H](CC[C@@H](C1)C)C(C)C)=O
- InChl: 1S/C10H18O/c1-7(2)9-5-4-8(3)6-10(9)11/h7-9H,4-6H2,1-3H3
- Substance type: Organic
- Physical state: liquid
Constituent 1
- Specific details on test material used for the study:
- - Name of test material: (±)-menthone
- Molecular formula: C10 H18 O
- Molecular weight: 154.2512g/mol
- Smiles notation: C1([C@@H](CC[C@@H](C1)C)C(C)C)=O
- InChl: 1S/C10H18O/c1-7(2)9-5-4-8(3)6-10(9)11/h7-9H,4-6H2,1-3H3
- Substance type: Organic
- Physical state: liquid
Results and discussion
pH value
- Key result
- pH value:
- 5.82
- Temp.:
- 26 °C
- Concentration:
- 1 other: %w/v
Applicant's summary and conclusion
- Conclusions:
- pH of 1% w/v aqueous solution of the test substance (±)-menthone (CAS No.1074-95-9) is 5.82 at 26 °C.
- Executive summary:
pH of 1% w/v aqueous solution of the test substance (±)-menthone (CAS No.1074-95-9) is determined to be 5.82 at 26 °C. Thus, 1% solution can be considered to be acidic in nature.
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