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Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-02-03 to 2010-08-04
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study carried out to GLP standards and following an approved EU method.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Ammonium (xylenes and 4-ethylbenzene)sulfonates
EC Number:
943-024-5
Molecular formula:
C8H10O3S.H3N
IUPAC Name:
Ammonium (xylenes and 4-ethylbenzene)sulfonates
Test material form:
other: Liquid
Details on test material:
- Name of test material (as cited in study report): Ammonium xylene sulphonate
- Expiration date of the lot/batch: 31/12/2010 (extended from 31/12/2009)
- Storage condition of test material: Store in original container protected from direct sunlight in a dry cool and well-ventilated area.
- Physical state: Liquid

Results and discussion

Water solubility
Water solubility:
5.76 g/L
Temp.:
20 °C
pH:
>= 8.83 - <= 8.94

Any other information on results incl. tables

Flask No. pH Absorbance 1 Absorbance 2 Mean concentration (g/L)
1 8.84 0.06 0.06 3.05E-03
2 8.94 0.05 0.05 2.54E-03
3 8.83 0.06 0.06 3.05E-03

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): very soluble (> 10000 mg/L)
The substance is very soluble in water. The water solubility is 576 g/L.
Executive summary:

The water solubility of ammonium xylene sulphonate has been determined using EU method A.6, using a UV-spectrophotometric analysis. The test material is found to be very soluble in water, with a solubility of 576 g/L at ambient temperature (20°C).