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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
29 July 1991 to 04 April 1992
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Sudy conducted to EU test guidance in compliance with GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient)
Version / remarks:
Directive 84/449/EEC
Deviations:
no
GLP compliance:
yes
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
Octasodium 2-(8-(4-chloro-6-(3-((4-chloro-6-(3,6-disulfonato-2-(1,5-disulfonatonaphthalen-2-ylazo)-1-hydroxynaphthalen-8-ylamino)-1,3,5-triazin-2-yl)aminomethyl)phenylamino)-1,3,5-triazin-2-ylamino)-3,6-disulfonato-1-hydroxynaphthalen-2-ylazo)naphthalene-1,5-disulfonate
EC Number:
413-550-5
EC Name:
Octasodium 2-(8-(4-chloro-6-(3-((4-chloro-6-(3,6-disulfonato-2-(1,5-disulfonatonaphthalen-2-ylazo)-1-hydroxynaphthalen-8-ylamino)-1,3,5-triazin-2-yl)aminomethyl)phenylamino)-1,3,5-triazin-2-ylamino)-3,6-disulfonato-1-hydroxynaphthalen-2-ylazo)naphthalene-1,5-disulfonate
Cas Number:
142068-96-0
Molecular formula:
Hill formula: C53H28Cl2N14Na8O26S8
IUPAC Name:
octasodium 5-[(4-chloro-6-{[4-({[4-chloro-6-({7-[2-(1,5-disulfonatonaphthalen-2-yl)diazen-1-yl]-8-hydroxy-3,6-disulfonatonaphthalen-1-yl}amino)-1,3,5-triazin-2-yl]amino}methyl)phenyl]amino}-1,3,5-triazin-2-yl)amino]-3-[2-(1,5-disulfonatonaphthalen-2-yl)diazen-1-yl]-4-hydroxynaphthalene-2,7-disulfonate
Details on test material:
- Name of test material (as cited in study report): H112339
- Physical state: Powder
- Analytical purity: 71.6%
- Lot/batch No.: NBY 405/74

Study design

Analytical method:
photometric method

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
-5.7
Temp.:
25 °C
pH:
6.84 - 7.02
Details on results:
 Although the absorbances obtained for the n-octanol phases were very low they were measured and used to calculate the partition coefficient value as Log Pow - 5.7

Any other information on results incl. tables

A Log Pow of - 5.7 was achieved within the study. The substance is not considered to display the propensity towards bioaccumulation.

Applicant's summary and conclusion

Conclusions:
A Log Pow of - 5.7 was achieved within the study. The substance is not considered to display the propensity towards bioaccumulation.
Executive summary:

A Log Pow of - 5.7 was achieved within the study. The substance is not considered to display the propensity towards bioaccumulation.