PIGMENTADDITIV RL

Partition coefficient

Administrative data

Endpoint:

partition coefficient

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer); method similar to Annex V, A.8, 1.6.1, Directive 67/548/EEC

Cross-reference

Reason / purpose for cross-reference:

reference to same study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2008

Report date:

2015

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.8 (Partition Coefficient)

Principles of method if other than guideline:

Based on the determined solubilities in water and in n-octanol the partition coefficient was estimated (chapter 1.6.1, A.8). Instead of saturated solvent
systems pure solvents were used.

Type of method:

other: ETAD method

Partition coefficient type:

octanol-water

Test material

Reference

Name:

Unnamed

Type:

Constituent

Results and discussion

Partition coefficient

Partition coefficient 1

Type:

log Pow

Partition coefficient:

4.22

Temp.:

23 °C

pH:

6.3

Partition coefficient 2

Type:

Pow

Partition coefficient:

5.8

Temp.:

23 °C

pH:

6.3

Any other information on results incl. tables

Solubility of HPP Additive V11 in n-octanol: 67 000 µg/l

Water solubility of HPP Additive V11 : 3.9 µg/l

P_{ow V11} = 5.8

log P_{ow V11} = 4.22