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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Data from study on water solubility, partition coefficient and hydrolysis, OECD protoclled and under GLP

Data source

Referenceopen allclose all

Reference Type:
other company data
Title:
Unnamed
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
no guideline required
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 2-methylprop-2-ene-1-sulphonate
EC Number:
216-341-5
EC Name:
Sodium 2-methylprop-2-ene-1-sulphonate
Cas Number:
1561-92-8
Molecular formula:
C4H8O3S.Na
IUPAC Name:
sodium 2-methylprop-2-ene-1-sulfonate
Test material form:
other: dissolved in water
Details on test material:
as imported and used

Results and discussion

pH value
pH value:
ca. 6.6
Temp.:
20 °C
Concentration:
ca. 523 g/L

Applicant's summary and conclusion

Conclusions:
pH in distilled water was found to be 6.6 (at 523 g/l)
Executive summary:

In a study on water solubility of sodium methallyl sulphonate, the pH of the saturated concentrations after 24 and 48 hours was measured. pH in distilled water was found to be 6.6 (at 523 g/l)