1,4-bis(butylamino)anthraquinone

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:

2015

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: well performed study according to guideline developed and agreed upon by the ETAD in january 2005 for colorants with very low solubility

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2015

Report date:

2015

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: method developed by ETAD

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

1,4-bis(butylamino)anthraquinone

EC Number:

241-379-4

EC Name:

1,4-bis(butylamino)anthraquinone

Cas Number:

17354-14-2

Molecular formula:

C22H26N2O2

IUPAC Name:

1,4-bis(butylamino)anthraquinone

Results and discussion

Solubility in organic solvents / fat solubility

Medium:

n-octanol

Solubility:

4 750 mg/L

Temp.:

23 °C

Test substance stable:

yes

Details on results:

The determination was repeated three times and the average value was caöculated from the individual results.
Individual results:
Absorption Solubility
(d = 1 cm n-octanol
dilution 1:1000) mg/l
a1 0.145 3560
a2 0.202 4980
a3 0.232 5710

Average: 4750 mg/L

Applicant's summary and conclusion

Conclusions:

The solubility of the substance in n-octanol at 23°C is 4750 mg/L at 23°C

Executive summary:

The n-octanol solubility of the substance was determined 3 times according to the method developed by the ETAD at 23°C. The average of the results was 4750 mg/L.