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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods

Data source

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

Materials and methods

Test guideline
Qualifier:
no guideline followed
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-acetamido-5-amino-4-hydroxybenzenesulphonic acid
EC Number:
254-879-2
EC Name:
3-acetamido-5-amino-4-hydroxybenzenesulphonic acid
Cas Number:
40306-75-0
Molecular formula:
C8H10N2O5S
IUPAC Name:
3-acetamido-5-amino-4-hydroxybenzenesulfonic acid
Details on test material:
slurry of 10%

Results and discussion

pH value
pH value:
ca. 2.3
Concentration:
ca. 2.3
Remarks on result:
other: pH-value of a slurry of 10 % (w/w) = 2.30

Applicant's summary and conclusion

Conclusions:
The pH-value of a slurry of 10 % (w/w) in water was found to be pH=2.30.
Executive summary:

The pH-value of a slurry of 10 % (w/w) in water was found to be pH=2.30.