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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2016
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:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: method developed by ETAD
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzylidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)
EC Number:
287-267-9
EC Name:
Hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzylidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)
Cas Number:
85455-32-9
Molecular formula:
C13H7CrN3O10S.C11H25NO.H
IUPAC Name:
Hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzy-lidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)

Results and discussion

Solubility in organic solvents / fat solubility
Medium:
n-octanol
Solubility:
551 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 1:100) mg/l
a1 0.133 471
a2 0.161 569
a3 0.173 613

Average: 551 mg/L

Applicant's summary and conclusion

Conclusions:
The solubility of the substance in n-octanol at 23°C is 551 mg/L
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 551 mg/L.