Registration Dossier

Physical & Chemical properties

pH

Currently viewing:

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
05.02.2013 - 13.02.2013
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:
2013
Report Date:
2013

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: by pH meter
Principles of method if other than guideline:
Measured as negative log of Hydrogen Ion concentration using pH meter & appropriate Buffers of pH 4 & 9
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Details on test material:
- Name of test material (as cited in study report): 2-amino-4-nitrophenol
- Molecular Formula: C6H6N2O3
- Molecular Weight: 154.125 g/mol
- SMILES Notation: C1=CC(=C(C=C1[N+](=O)[O-])N)O
- InChI: 1S/C6H6N2O3/c7-5-3-4(8(10)11)1-2-6(5)9/h1-3,9H,7H2
- Substance type: Organic
- Physical state: solid
Specific details on test material used for the study:
- Name of test material (as cited in study report): 2-amino-4-nitrophenol
- Molecular Formula: C6H6N2O3
- Molecular Weight: 154.125 g/mol
- SMILES Notation: C1=CC(=C(C=C1[N+](=O)[O-])N)O
- InChI: 1S/C6H6N2O3/c7-5-3-4(8(10)11)1-2-6(5)9/h1-3,9H,7H2
- Substance type: Organic
- Physical state: solid

Results and discussion

pH value
Key result
pH value:
4.81
Temp.:
25 °C
Concentration:
1 vol%
Remarks on result:
other: Acidic

Applicant's summary and conclusion

Conclusions:
1% by volume solution of 2-amino-4-nitrophenol was determine to exhibit a pH of 4.81at 25 deg C. Thus 1% by volume solution of 2-amino-4-nitrophenol is acidic in nature.
Executive summary:

1% by volume solution of 2-amino-4-nitrophenol was determine to exhibit a pH of 4.81at 25 deg C. Thus 1% by volume solution of 2-amino-4-nitrophenol is acidic in nature.