Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17.01.2013 - 31.01.2013
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
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

Constituent 1
Chemical structure
Reference substance name:
3-amino-2-hydroxy-5-nitrobenzenesulphonic acid
EC Number:
202-523-1
EC Name:
3-amino-2-hydroxy-5-nitrobenzenesulphonic acid
Cas Number:
96-67-3
Molecular formula:
C6H6N2O6S
IUPAC Name:
3-amino-2-hydroxy-5-nitrobenzene-1-sulfonic acid
Test material form:
other: amorphous
Details on test material:
- Name of test material : 3-amino-2hydroxy-5-nitrobenzenesulphonic acid
- Substance type: Organic
- Physical state: Solid

Results and discussion

pH value
pH value:
2
Temp.:
20 °C
Concentration:
1 vol%

Applicant's summary and conclusion

Conclusions:
1% by volume solution of 3-amino-2-hydroxy-5-nitrobenzenesulphonic acid was found to exhibit a pH of 2 at 20 deg C. Thus 1% by volume solution of 3-amino-2-hydroxy-5-nitrobenzenesulphonic acid is acidic in nature.
Executive summary:

1% by volume solution of 3-amino-2-hydroxy-5-nitrobenzenesulphonic acid was found to exhibit a pH of 2 at 20 deg C. Thus 1% by volume solution of 3-amino-2-hydroxy-5-nitrobenzenesulphonic acid is acidic in nature.