Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: scientifically acceptable

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Principles of method if other than guideline:
other: The analytical method for the determination is in agreement with the method that was agreed upon
at the “Analytical Experts Meeting” of ETAD (Basel) on January 12, 2005.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
EC Number:
271-178-7
EC Name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
Cas Number:
68516-75-6
Molecular formula:
C44H26Cl4N6O4
IUPAC Name:
N,N'-naphthalene-1,5-diylbis{4-[(2,3-dichlorophenyl)diazenyl]-3-hydroxy-2-naphthamide}
Test material form:
solid: nanoform, no surface treatment
Details on test material:
Name of test material (as cited in study report): Pigment Brown 41 purified

Results and discussion

Solubility in organic solvents / fat solubility
Medium:
n-octanol
Solubility:
58.4 µg/L
Temp.:
20

Applicant's summary and conclusion