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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:
2006
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Valid method according to ETAD procedures Test procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report date:
2006

Materials and methods

Principles of method if other than guideline:
Determination of solubility in octanol by UV-vis spectrometry
Test procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer)

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
EC Number:
229-355-1
EC Name:
2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
Cas Number:
6486-23-3
Molecular formula:
C16H12Cl2N4O4
IUPAC Name:
2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide
Test material form:
solid: nanoform, no surface treatment

Results and discussion

Solubility in organic solvents / fat solubility
Key result
Medium:
n-octanol
Solubility:
5.96 mg/L
Temp.:
25 °C
Details on results:
See below

Any other information on results incl. tables

The solubility in octanol was determined to be 5.96 mg/L at ambient temperature (25 -26°C, 25°C given here). This figure represents the mean of 3 determinations (sigma = 0.38). Individual values were 5.67, 5.81 and 6.39 mg/L.

Applicant's summary and conclusion

Conclusions:
The test substance has a solubility in n-octanol of 5.96 mg/L.
Executive summary:

The solubility of the test substance in n-octanol was determined using UV-vis spectrometry. The n-octanol solubility at 25 -26 °C was 5.96 mg/L.