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Physical & Chemical properties

pH

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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
23/02/2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
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:
2015
Report Date:
2015

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD 122
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
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): tert-butyl-4-methoxyphenol
- Substance type: Organic
- Physical state: solid
Specific details on test material used for the study:
- Name of test material: (1,1-Dimethylethyl)-4-methoxyphenol
- Common name: Tert-butyl-4-methoxyphenol
- Molecular formula: C11H16O2
- Molecular weight: 181.2533 g/mol
- Smiles notation: [*]C(C)(C)C.COc1ccc(O)cc1
- InChI: 1S/C11H16O2/c1-11(2,3)9-7-8(13-4)5-6-10(9)12/h5-7,12H,1-4H3
- Substance type: Organic
- Physical state: Solid
- Physical Appearance: White to pale yellow solid with a waxy appearance

Results and discussion

pH value
Key result
pH value:
4.78
Temp.:
25 °C
Concentration:
1 vol%
Remarks on result:
other: Near neutral

Applicant's summary and conclusion

Conclusions:
The pH determination of test substance was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of pH meter. The pH was determine to be 4.78 at 25 °C.
Executive summary:

The pH determination of test substance was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of pH meter. The pH was determine to be 4.78 at 25 °C.