Tin, melting residues

Water solubility

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 study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2010

Report date:

2010

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Series on Testing and Assessment No. 29 (23-Jul-2001): Guidance document on transformation/dissolution of metals and metal compounds in aqueous media

Principles of method if other than guideline:

The analytical method associated with this test will based on ICP-MS and will be used for the determination of the total concentration of tin (Sn), lead (Pb), and antimony (Sb) in the test medium.

GLP compliance:

yes

Type of method:

other: not detailed

Test material

Test material information

Constituent 1

Reference substance name:

Tin, melting residues

EC Number:

283-659-9

EC Name:

Tin, melting residues

Cas Number:

84696-55-9

Molecular formula:

Not applicable

IUPAC Name:

Tin, melting residues

Details on test material:

- Name of test material (as cited in study report): MC_SMR_129 FN MELTING RES 1002
- Substance type: UVCB
- Physical state: solid
- Expiration date of the lot/batch: Not provided
- Storage condition of test material: In darkness at room temperature

Results and discussion

Water solubility

Water solubility 1

Water solubility:

< 1 µg/L

pH:

ca. 8

Remarks on result:

other: Value representing the concentration of Sn in the test medium. Test duration: 7 days; Concentration of test sample: 1 mg/L load

Water solubility 2

Water solubility:

< 2.5 µg/L

pH:

ca. 8

Remarks on result:

other: Value representing the concentration of Sn in the test medium. Test duration: 7 days; Concentration of test sample: 10 mg/L load

Water solubility 3

Water solubility:

< 39 µg/L

pH:

ca. 8

Remarks on result:

other: Value representing the concentration of Sn in the test medium. Test duration: 7 days; Concentration of test sample: 100 mg/L load

Details on results:

The total concentration of many elements was detected after 24, 96 and 168 hours at concentrations 1, 10 and 100 mg/L of test item.
Aluminium, Antimony, Iron and Copper were not detectable after 24, 96 and 168 hours at the 3 concentrations.
Lead was not detctable at a concentration of 1 mg/L of test item but was between 0.2 and 1.2 mg/L at 10 mg/L of test item and between 1.4 and 9 mg/L at 100 mg/L of test item.
As for Tin, it was not detectable after 24 hours at the 3 concentrations of melting residues and its detectable concentrations varied between 0.1 and 39 mg/L for the 3 concentrations after 96 and 168 hours.

Any other information on results incl. tables

Table 1: 7 days test; 1 mg/L load

Sample type	Aluminium (AL) µg/L	Antimony (Sb) µg/L	Iron (Fe) µg/L	Lead (Pb) µg/L	Copper (Cu) µg/L	Tin (Sn) µg/L
Test solution after 24 hours	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
Test solution after 96 hours	n.d.	n.d.	n.d.	n.d.	n.d.	0.1
Test solution after 168 hours	n.d.	n.d.	n.d.	n.d.	n.d.	1

Table 2: 7 days test; 10 mg/L load

Sample type	Aluminium (AL) µg/L	Antimony (Sb) µg/L	Iron (Fe) µg/L	Lead (Pb) µg/L	Copper (Cu) µg/L	Tin (Sn) µg/L
Test solution after 24 hours	n.d.	n.d.	n.d.	0.2	n.d.	n.d.
Test solution after 96 hours	n.d.	n.d.	n.d.	2.7	n.d.	0.2
Test solution after 168 hours	n.d.	n.d.	n.d.	1.2	n.d.	2.5

Table 3: 7 days test; 100 mg/L load

Sample type	Aluminium (AL) µg/L	Antimony (Sb) µg/L	Iron (Fe) µg/L	Lead (Pb) µg/L	Copper (Cu) µg/L	Tin (Sn) µg/L
Test solution after 24 hours	n.d.	n.d.	n.d.	1.4	n.d.	n.d.
Test solution after 96 hours	n.d.	n.d.	n.d.	3.9	n.d.	6.2
Test solution after 168 hours	n.d.	1.1	n.d.	9	n.d.	39

Applicant's summary and conclusion

Conclusions:

Interpretation of results (migrated information): insoluble (< 0.1 mg/L)
The test item was found higly insoluble in water as the total concentration of Sn and other elements is < 0.1 mg/L.