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Diss Factsheets

Physical & Chemical properties

Water solubility

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Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
21. Jun. 2007 - 13. Oct. 2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP and Guideline conform

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
resp. EU method A.6
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Landesamt für Umweltschutz und Gewerbeschutz, Rheinland-Pfalz
Type of method:
column elution method

Test material

Constituent 1
Chemical structure
Reference substance name:
Silicic acid, titanium salt
EC Number:
255-911-8
EC Name:
Silicic acid, titanium salt
Cas Number:
42613-21-8
Molecular formula:
TiSixOy, where x and y are unspecified.
IUPAC Name:
titanium(4+) bis(oxosilanebis(olate))
Details on test material:
- Name of test material (as cited in study report): Magnapore 963
- Physical state/Appearance: black powder
- Analytical purity: 98%
- Composition of test material, percentage of components: Titansilicate + Chrom(III)hydroxide
- Lot/batch No.: LOT 405
- Expiration date of the lot/batch: 01. Sept. 2007
- Stability under test conditions: not stated
- Storage condition of test material: room temperature, keep dry
- Homogeneity: homogenous
- Production date: 01. Mar. 2006
- Additive: Chromium (III) hydroxide, CAS No. 1308-14-1

Results and discussion

Water solubility
Water solubility:
< 0.1 mg/L
Temp.:
20 °C
pH:
6
Details on results:
The measurements of both flow rates showed no detectable traces of titanium or chromium. Solublity of the test item in deionised water: < 0.1 mg/L.

Any other information on results incl. tables

Measurements at flow rate 25.0 mg/L

 Sample  Concentration in mg/L  Difference to previous sample in %  pH
   Cr  Ti       
 1  < 20 µg/L  < 1.2 µg/L not applicable 6
 2  < 20 µg/L  < 1.2 µg/L not applicable 6
 3  < 20 µg/L  < 1.2 µg/L not applicable 6
 4  < 20 µg/L < 1.2 µg/L  not applicable  6
 5 < 20 µg/L  < 1.2 µg/L  not applicable  6

Measurement at flow rate 12.5 mg/L

 Sample Concentration in mg/L  Difference to previous sample in %  pH 
   Cr Ti     
 1 < 20 µg/L < 1.2 µg/L  not applicable 6
 2 < 20 µg/L  < 1.2µg/L  not applicable  6
 3 < 20 µg/L  < 1.2 µg/L  not applicable 6
 4 < 20 µg/L < 1.2 µg/L  not applicable  6
 5 < 20 µg/L  < 1.2 µg/L  not applicable 6

Applicant's summary and conclusion