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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14 June 2002 - 10 March 2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003
Report date:
2003

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Gadoliniumsulfite trihydrate
EC Number:
456-900-2
EC Name:
Gadoliniumsulfite trihydrate
Cas Number:
51285-81-5
Molecular formula:
Gd2(SO3)3*3H2O
IUPAC Name:
digadolinium(3+) trihydrate trisulfite
Test material form:
solid: particulate/powder
Details on test material:
Off white, crystalline powder
Batch number FSG 3896 or 02-FW-095

Results and discussion

Water solubilityopen allclose all
Key result
Water solubility:
2.72 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
25 g/L
Incubation duration:
>= 192 - <= 240 h
Temp.:
10 °C
pH:
ca. 5.6
Key result
Water solubility:
1.86 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
25 g/L
Incubation duration:
>= 192 - <= 288 h
Temp.:
20 °C
pH:
ca. 5.8
Key result
Water solubility:
0.77 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
25 g/L
Incubation duration:
>= 192 - <= 240 h
Temp.:
30 °C
pH:
ca. 3.9
Details on results:
Water solubility decrease with increasing temperature.

Applicant's summary and conclusion

Conclusions:
Water solubility was determined according to EU Method A.6 (Water Solubility) to 1.86 g/l at 20°C.
Executive summary:

Water solubility was determined according to EU Method A.6 (Water Solubility) ( flask method) to 1.86 g/l at 20°C. Water solubility decrease with increasing temperature. Nominale concentration were verified by IPC-OES.