Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Solubility in organic solvents / fat solubility

Administrative data

Endpoint:
solubility in organic solvents / fat solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
January 4 - July 23, 1994
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study performed according to OECD guideline

Data source

Reference
Title:
Unnamed
Year:
1994
Report date:
1994

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 116 (Fat Solubility of Solid and Liquid Substances)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]
EC Number:
250-797-6
EC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]
Cas Number:
31775-16-3
Molecular formula:
C34H30Cl2N6O6
IUPAC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]

Results and discussion

Solubility in organic solvents / fat solubility
Medium:
standard fat
Remarks:
HB 307
Solubility:
0.006 other: g/kg
Temp.:
37 °C
Details on results:
The preliminary test indicated the fat solubility to be 1.74 x 10-3 g/kg.
For results of the main test, see below.

Any other information on results incl. tables

Results of the main test:

Sample number

Initial temperature
(°C)

Initial shaking

time (hours)

Final
tempe­­rature (°C)

Final shaking

time (hours)

Concentration
(g/kg)

1

30

1½

37

3

5.75 x 10-3

2

30

1½

37

3

5.59 x 10-3

3

50

1½

37

3

7.01 x 10-3

4

50

1½

37

3

6.98 x 10-3

5

30

1¼

37

24¼

5.30 x 10-3

6

30

1¼

37

24¼

5.53 x 10-3

7

50

1¼

37

24¼

5.96 x 10-3

8

50

1¼

37

24¼

5.93 x 10-3

Mean concentration = 6.01 x 10-3 g/kg

Standard deviation = 6.47 x 10-4

Applicant's summary and conclusion

Conclusions:
The fat solubility of the test item is 6.01 x 10-3 g/kg at 37.0 °C.
Executive summary:

The fat solubility of test substance has been determined in a guideline study to be 6.01 x 10-3 g/kg at 37.0 ± 0.5 °C.