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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2012
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: well performed study according to acknowledged rules but with poor documentation

Data source

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

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The pH was determined with a calibrated pH electrode
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-aminobenzenesulphonic acid
EC Number:
204-473-6
EC Name:
3-aminobenzenesulphonic acid
Cas Number:
121-47-1
Molecular formula:
C6H7NO3S
IUPAC Name:
3-aminobenzene-1-sulfonic acid

Results and discussion

pH valueopen allclose all
pH value:
2.39
Temp.:
20 °C
Remarks on result:
other: saturated solution
pH value:
2.43
Temp.:
20 °C
Concentration:
10 g/L

Applicant's summary and conclusion

Conclusions:
The pH of a saturated solution of the test item in water was 2.39 (20°C) and 2.43 (20°C) at a concentration of 10 g/L.