Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Remarks:
Summary of product specifications

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1994
Report date:
1995

Materials and methods

Principles of method if other than guideline:
pH determination
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Potassium 3-sulphopropyl methacrylate
EC Number:
250-466-6
EC Name:
Potassium 3-sulphopropyl methacrylate
Cas Number:
31098-21-2
Molecular formula:
C7H12O5S.K
IUPAC Name:
potassium 3-(methacryloyloxy)propane-1-sulfonate
Constituent 2
Reference substance name:
Water
EC Number:
231-791-2
EC Name:
Water
Cas Number:
7732-18-5
Molecular formula:
H2O
IUPAC Name:
water
Test material form:
liquid
Remarks:
solution of the registered substance

Results and discussion

pH value
Key result
pH value:
6.4
Temp.:
20 °C
Concentration:
100 vol%
Remarks on result:
other: 100% referring to the test item; content of the registered substance: ca. 40%

Applicant's summary and conclusion

Conclusions:
pH value of a 40% aqueous solution of 2-Propenoic acid, 2-methyl-,3-sulfopropylester, potassium salt was determined to be 6.4.
Executive summary:

pH value of a 40% aqueous solution of 2-Propenoic acid, 2-methyl-,3-sulfopropylester, potassium salt was determined to be 6.4, in-house data.