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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2005
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient - HPLC Method)
Version / remarks:
84/449/EWG, A.8
GLP compliance:
yes
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
Potassium sodium 6,13-dichloro-3,10-bis{2-[4-[3-(2-hydroxysulphonyloxyethanesulfonyl)phenylamino]-6-(2,5-disulfonatophenylamino)-1,3,5-triazin-2-ylamino]ethylamino}benzo[5,6][1,4]oxazino[2,3-b]phenoxazine-4,11-disulfonate
EC Number:
414-100-0
EC Name:
Potassium sodium 6,13-dichloro-3,10-bis{2-[4-[3-(2-hydroxysulphonyloxyethanesulfonyl)phenylamino]-6-(2,5-disulfonatophenylamino)-1,3,5-triazin-2-ylamino]ethylamino}benzo[5,6][1,4]oxazino[2,3-b]phenoxazine-4,11-disulfonate
Cas Number:
154336-20-6
Molecular formula:
C56H42Cl2K4N16Na4O32S10
IUPAC Name:
tetrapotassium tetrasodium 6,13-dichloro-3,10-bis({[2-({4-[(2,5-disulfonatophenyl)amino]-6-({3-[2-(sulfonatooxy)ethanesulfonyl]phenyl}amino)-1,3,5-triazin-2-yl}amino)ethyl]amino})-5,12-dioxa-7,14-diazapentacene-4,11-disulfonate
Test material form:
solid: particulate/powder

Study design

Analytical method:
other: Reverse Phase HPLC mit UV/VIS Spektrophotometrie

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
< -3.3
Temp.:
20 °C
pH:
4

Any other information on results incl. tables

Since the substance hydrolyzes at pH7 and higher, the Division coefficient determined by using n-octanol + pH 4 buffer solution. The test was at carried out at room temperature.

Applicant's summary and conclusion

Conclusions:
log Pow<-3.3