Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15.06.2012 - 14.07.2012
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report Date:
2012

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
Details on test material:
- Name of test material : 3-acetamido-5-amino-4-hydroxybenzenesulphonic acid
- Molecular formula : C8H10N2O5S
- Molecular weight : 246.24

Results and discussion

pH value
pH value:
4.59
Temp.:
25 °C
Concentration:
1 vol%

Applicant's summary and conclusion

Conclusions:
pH value of 3-acetamido-5-amino-4-hydroxybenzenesulphonic acid is found to be 4.59 at temp. 25 °C and 1% concentration.
Executive summary:

1% by volume solution of 3-acetamido-5-amino-4-hydroxybenzenesulphonic acid was found to exhibit a pH of 4.59 at 25 degC. Thus 1% by volume solution of 3-acetamido-5-amino-4-hydroxybenzenesulphonic acid is relatively acidic in nature.