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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:
supporting study
Study period:
2006
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Valid method according to ETAD procedures

Data source

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

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(5-chloro-2-methoxyphenyl)-2-[(2-methoxy-4-nitrophenyl)azo]-3-oxobutyramide
EC Number:
240-131-2
EC Name:
N-(5-chloro-2-methoxyphenyl)-2-[(2-methoxy-4-nitrophenyl)azo]-3-oxobutyramide
Cas Number:
15993-42-7
Molecular formula:
C18H17ClN4O6
IUPAC Name:
N-(5-chloro-2-methoxyphenyl) -2-[(2-methoxy-4-nitrophenyl) diazenyl]-3-oxobutanamide

Results and discussion

Solubility in organic solvents / fat solubility
Medium:
n-octanol
Solubility:
0.32 mg/L
Temp.:
26 °C
Details on results:
See below

Any other information on results incl. tables

The solubility in octanol was determined to be 0.32 mg/L at ambient temperature (25 -26°C, 26°C given here). This figure represents the mean of 3 determinations (sigma = 0.01). Individual values were 0.31, 0.32 and 0.33 mg/L.

Applicant's summary and conclusion

Conclusions:
The test substance has a solubility in n-octanol of 0.32 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 0.32 mg/L.