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Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
other: from handbooks
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Referenceopen allclose all

Reference Type:
review article or handbook
Title:
Determination of pH
Author:
Maryadele J ‘O Neil
Year:
2006
Bibliographic source:
The Merck index, 14th Edition, 2006
Reference Type:
review article or handbook
Title:
Determination of pH
Author:
Pradyot Patnaik, Ph.D.
Year:
2003
Bibliographic source:
Handbook of Inorganic Chemicals,2003

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
Data from Handbooks.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Potassium hydrogen phthalate
EC Number:
212-889-4
EC Name:
Potassium hydrogen phthalate
Cas Number:
877-24-7
Molecular formula:
C8H6O4.K
IUPAC Name:
phthalic acid
Test material form:
solid
Details on test material:
Name of test material (as cited in study report): Potassium hydrogen phthalate
- Molecular formula: C8H5O4.K
- Molecular weight: 204.23 g/mole
InChI: 1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1
Smiles: c1(c(cccc1)C(=O)[O-])C(O)=O.[K+]
Substance Type: Organic
Physical State: Solid
Specific details on test material used for the study:
- Name of test material: hydrogen potassium phthalate
- Molecular formula: C8 H6 O4.K
- Molecular weight: 204.221 g/mol
- Smiles notation: c1(c(cccc1)C(=O)[O-])C(O)=O.[K+]
- InChl: 1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1- Substance type: Organic
- Physical state: Solid

Results and discussion

pH value
pH value:
4.005
Temp.:
25 °C
Concentration:
0.05 other: molar aqeous solution

Applicant's summary and conclusion

Conclusions:
From the available data from handbook, the pH of 1,2-Benzenedicarboxylic acid, monopotassium salt(877-24-7) was determined to be 4.005 This value indicate that the 1,2-Benzenedicarboxylic acid, monopotassium salt(877-24-7) is acidic in nature.
Executive summary:

From the available data from handbook, the pH of 1,2-Benzenedicarboxylic acid, monopotassium salt(877-24-7) was determined to be 4.005 This value indicate that the 1,2-Benzenedicarboxylic acid, monopotassium salt(877-24-7) is acidic in nature.