Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: Handbook data
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data from handbook universally recognized as reliable.

Data source

Reference
Reference Type:
review article or handbook
Title:
Unnamed
Year:
2000

Materials and methods

Test material

1
Chemical structure
Reference substance name:
Sulphamidic acid
EC Number:
226-218-8
EC Name:
Sulphamidic acid
Cas Number:
5329-14-6
Molecular formula:
H3NO3S
IUPAC Name:
sulfamic acid

Results and discussion

pH valueopen allclose all
pH value:
0.41
Temp.:
25 °C
Concentration:
10 vol%
pH value:
0.5
Temp.:
25 °C
Concentration:
7.5 vol%
pH value:
0.63
Temp.:
25 °C
Concentration:
5 vol%
pH value:
0.87
Temp.:
25 °C
Concentration:
2.5 vol%
pH value:
1.18
Temp.:
25 °C
Concentration:
1 vol%
pH value:
1.41
Temp.:
25 °C
Concentration:
0.5 vol%
pH value:
2.02
Temp.:
25 °C
Concentration:
0.1 vol%

Applicant's summary and conclusion

Conclusions:
Sulphamidic acid is a strong acid.