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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:
31/07/2014 - 31/07/2014
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:
2014
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
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

Constituent 1
Chemical structure
Reference substance name:
Diisopropyl adipate
EC Number:
230-072-0
EC Name:
Diisopropyl adipate
Cas Number:
6938-94-9
Molecular formula:
C12H22O4
IUPAC Name:
1,6-bis(propan-2-yl) hexanedioate
Test material form:
liquid
Details on test material:
- Name of test material (as cited in study report): Diisopropyl adipate
- Molecular formula (if other than submission substance): C12H22O4
- Molecular weight (if other than submission substance): 230.30g/mol
- Smiles: O(C(CCCCC(OC(C)C)=O)=O)C(C)C
- Inchi: 1S/C12H22O4/c1-9(2)15-11(13)7-5-6-8-12(14)16-10(3)4/h9-10H,5-8H2,1-4H3
- Substance type: Organic
- Physical state: Liquid
- Analytical purity: 99.8%

Results and discussion

pH value
Key result
pH value:
5.7
Temp.:
24 °C
Concentration:
1 vol%
Remarks on result:
other: acidic in nature

Applicant's summary and conclusion

Conclusions:
pH of 1% w/v aqueous solution of the test substance was determined to be 5.7 at 24°C

Executive summary:

The pH determination of test substance was performed as per the test guideline OECD 122. The pH of the test solution was determined with the help of pH meter. The pH was determined to be 5.7 at 24 deg C indicating that the substance is acidic in nature.