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Diss Factsheets

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Principles of method if other than guideline:
The determinations were done according to OECD Guideline for the Testing of Chemicals 105, flask method. The column elution method, which is prescribed if the water solubility is < 10 mg/1, is not feasible for this test item, because it is not soluble in appropriate solvents.
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
sra-[(2E)-2-butenedioato(2-)hydroxy aluminium]
EC Number:
810-213-8
Cas Number:
1370461-06-5
Molecular formula:
C4 H3 Al O5
IUPAC Name:
sra-[(2E)-2-butenedioato(2-)hydroxy aluminium]
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Name of test material (as cited in study report): Aluminum, [(2E)-2-butenedioato(2-)-01 ]hydroxy-
Analytical purity: Approx. 85.8 g/100g (Based on the determined content of fumarate an amount of 85.8 g/100 g of Al-fumarate-OH (C4H3O5Al) is postulated. The determined amount of aluminium is about 2.6 g/100 g higher than expected. Therefore the missing 11.2 g/100 g of impurity
are supposed to be Al(OH)3 because no additional signals are visible in 1H-NMR spectroscopy and the calculated elemental analysis matches to that postulate. Determined during GLPstudy no. 14L00403 from Competence Center Analytics, BASF
Lot/batch No.:13-0001-2
Expiration date of the lot/batch: Sep 30, 2014
Storage condition of test material: RT

Results and discussion

Water solubilityopen allclose all
Water solubility:
80 mg/L
Temp.:
20 °C
Remarks on result:
other: Determination via TOC: for tests with 1 g/L
Water solubility:
174 mg/L
Temp.:
20 °C
Remarks on result:
other: Determination via TOC: for tests with 10 g/L
Water solubility:
30 mg/L
Temp.:
20 °C
Remarks on result:
other: Determination via Al: for tests with 1 g/L
Water solubility:
92 mg/L
Temp.:
20 °C
Remarks on result:
other: Determination via Al: for tests with 10 g/L

Any other information on results incl. tables

Results (summarized)

The solubility in water cannot be determined accurate due to the fact that the test item is being a mixture rather than a single compound. Every constituent contributes to a different degree to overall solubility, depending on its own individual solubility and its mass fraction in the test item.

At 20.0 °C ± 0.5 °C, the following solubilities were found:

Determination via TOC:

80 mg/L ± 2 mg/L for tests with 1 g/L

174 mg/L ± 2 mg/L for tests with 10 g/L

Determination via Al:

30 mg/L ± 1 mg/L for tests with 1 g/L

92 mg/L ± 2 mg/L for tests with 10 g/L

Applicant's summary and conclusion