A reaction mixture containing the following components;A. Tetralithium [2(or 3), 9 (or 10), 16 (or 17), 23 (or 24)-tetrakis (3-sulfonato-propylsulfonyl) phthalocyaninato]cupurate (II)B. Trilithium [3-(2-hydroxylpropylsulfamoyl)propylsulfonyl]tris (3-sulfonato-propylsulfonyl)phthalocyaninatocupurate (II)C.Dilithium bis [3-(2-hydroxylpropylsulfamoyl)propylsulfonyl] bis (3-sulfonato-propylsulfonyl)phthalocyaninatocupurate (II)D. Lithium tris [3-(2-hydroxylpropylsulfamoyl)propylsulfonyl] (3-sulfonato-propylsulfonyl)phthalocyaninatocupurate (II)E. Tetrakis [3-(2-hydroxpropylsulfamoyl) proppylsulfonyl]phthalocyaninatocupurate (II)In the ratio A:B:C:D:E 6.25 : 25 : 37.5 : 25 : 6.25

Adsorption / desorption

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Administrative data

Endpoint:

adsorption / desorption: screening

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Testing was conducted between 14 November 2002 and 06 December 2002. Final report was issued 31 January 2003.

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Meets the criteria for classification as Reliable without restriction according to Klimisch et al (1997)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2003

Report date:

2003

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: Method C19 of Commission Directive 2001/59/EC - HPLC Screening Method

Deviations:

no

GLP compliance:

yes

Type of method:

other: HPLC screening method

Media:

other: HPLC Column

Test material

Test material information

Constituent 1

Test material form:

solid

Radiolabelling:

no

Study design

Test temperature:

40°C (column temperature)

HPLC method

Details on study design: HPLC method:

EQUIPMENTHPLC system : Agilent Technologies 1100, incorporating autosampler and workstationColumn : Phenosphere Next 5u CN (250 x 4.6 mm id)Column temperature : 40 degrees CFlow rate : 1 ml/minInjection volume : 10ulUV detector wavelength: dead time and reference standards: 210 nm, sample: 254 nmMOBILE PHASES- Type: methanol:reverse osmosis water (55:45 v/v) adjusted to approx. neutral pH with 0.1M NaOH- pH: 7.1DETERMINATION OF DEAD TIME- Method: dead time determined by measuring the retention time of formamideREFERENCE SUBSTANCES- Identity: Acetanilide, Atrazine, Isoproturon, Triadimenol, Linuron, Naphthalene, Endosulfan-diol, Fenthion, Phenanthrene, DDT

Batch equilibrium or other method

Analytical monitoring:

no

Results and discussion

Adsorption coefficient

Key result

Sample No.:

#1

Type:

log Koc

Value:

< 1.25 dimensionless

pH:

7.1

Results: HPLC method

Details on results (HPLC method):

- Retention times of reference substances used for calibration: Acetanilide 3.654 Atrazine 3.985 Isoproturon 4.182 Triadimenol 4.426 Linuron 4.578Naphthalene 4.709Endosulfan-diol 4.802Fenthion 5.480 Phenanthrene 5.813 DDT 9.522- Details of fitted regression line (log k' vs. log Koc): r= 0.980- Average retention data for test substance: 1.487

Applicant's summary and conclusion

Validity criteria fulfilled:

yes

Conclusions:

The adsorption coefficient (Koc) of the test material has been determined to be <17.8, log10 Koc <1.25.

Executive summary:

Introduction

The study was carried out to assess the adsorption coefficient (KOC) of the test substance using the using the HPLC screening method, Method C19 of Commission Directive 2001159/EC (which constitutes Annex V of Council Directive 67 /548/EEC).

Results and conclusion

The adsorption coefficient (K_oc) of the test material has been determined to be less than 17.8 and log₁₀K_oc<1.25.