12H-phthaloperin-12-one

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:

2008

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:

2008

Report date:

2008

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:

12H-phthaloperin-12-one

EC Number:

230-049-5

EC Name:

12H-phthaloperin-12-one

Cas Number:

6925-69-5

Molecular formula:

C18H10N2O

IUPAC Name:

12H-phthaloperin-12-one

Results and discussion

Solubility in organic solvents / fat solubility

Medium:

n-octanol

Solubility:

317 mg/L

Temp.:

24 °C

Test substance stable:

yes

Details on results:

The determination was repeated three times and the average value was calculated from the individual results.
Individual results:
Absorption Solubility
(d = 1 cm n-octanol
dilution 1:50) mg/l
a1 0.191 311
a2 0.194 317
a3 0.199 324

Average: 317 mg/L

Applicant's summary and conclusion

Conclusions:

The solubility of the substance in n-octanol at 24°C is 317 mg/L

Executive summary:

The n-octanol solubility of the substance was determined 3 times according to the method developed by the ETAD at 24°C. The average of the results was 317 mg/L.