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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18-12-2012 to 03-01-2013
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:
4-aminobenzene-1,3-disulphonic acid
EC Number:
205-299-3
EC Name:
4-aminobenzene-1,3-disulphonic acid
Cas Number:
137-51-9
Molecular formula:
C6H7NO6S2
IUPAC Name:
4-aminobenzene-1,3-disulphonic acid
Details on test material:
- Name of test material : 4-aminobenzene-1,3-disulphonic acid
- Substance type: organic
- Physical state: solid

Results and discussion

pH value
pH value:
1.61
Temp.:
23 °C
Concentration:
1 other: %

Applicant's summary and conclusion

Conclusions:
1% by volume solution of 4-aminobenzene-1,3-disulphonic acid was found to exhibit a pH of 1.61 at 23 degC. Thus 1% by volume solution of 4-aminobenzene-1,3-disulphonic acid is higly acidic in nature.
Executive summary:

1% by volume solution of 4-aminobenzene-1,3-disulphonic acid was found to exhibit a pH of 1.61 at 23 degC. Thus 1% by volume solution of 4-aminobenzene-1,3-disulphonic acid is highly acidic in nature.