Aluminium Bordeaux

Partition coefficient

Administrative data

Endpoint:

partition coefficient

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Remarks:

OECD 107

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2017

Report date:

2017

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)

Type of method:

shake-flask method to: flask method

Partition coefficient type:

octanol-water

Test material

Test material information

1

Reference substance name:

disodium 2,4-dihydroxy-5-[(2-hydroxy-3-nitro-5-sulphonato-phenyl)azo]benzoate, reaction products with chromium triacetate

Molecular formula:

not applicable

IUPAC Name:

disodium 2,4-dihydroxy-5-[(2-hydroxy-3-nitro-5-sulphonato-phenyl)azo]benzoate, reaction products with chromium triacetate

Study design

Analytical method:

photometric method

Results and discussion

Partition coefficient

Key result

Type:

log Pow

Partition coefficient:

-3.77

Temp.:

23 °C

pH:

ca. 6

Remarks on result:

other: mean of 6 measurements

Any other information on results incl. tables

Table 1: Results

no.	stock solution [mL]	n-octanol [mL]	conc. in n-octanol phase [mg/L]	conc. in water phase [mg/L]	log pow
A1	5	10	0.14	756.1	- 3.75
A2	5	10	0.13	767.6	- 3.78
B1	10	10	0.14	760.0	- 3.75
B2	10	10	0.12	757.9	- 3.80
C1	20	10	0.13	749.7	- 3.77
C2	20	10	0.14	761.1	- 3.75
mean	-	-	-	-	- 3.77

Stock solution: 847 mg/L = 758.9 mg/L active substance

The recovery rate of the test substance was between 99 % and 101 %.