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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 25 September 2018 to 28 September 2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
2,​7-​Naphthalenedisulfoni​c acid, 5-​(acetylamino)​-​3-​[2-​[5-​[[4-​chloro-​6-​[[3-​[[2-​(sulfooxy)​ethyl]​sulfonyl]​phenyl]​amino]​-​1,​3,​5-​triazin-​2-​yl]​amino]​-​2-​sulfophenyl]​diazenyl]​-​4-​hydroxy-​, sodium salt (1:4)
EC Number:
695-779-2
Cas Number:
80019-35-8
Molecular formula:
C29H21ClN8O17S5.4Na
IUPAC Name:
2,​7-​Naphthalenedisulfoni​c acid, 5-​(acetylamino)​-​3-​[2-​[5-​[[4-​chloro-​6-​[[3-​[[2-​(sulfooxy)​ethyl]​sulfonyl]​phenyl]​amino]​-​1,​3,​5-​triazin-​2-​yl]​amino]​-​2-​sulfophenyl]​diazenyl]​-​4-​hydroxy-​, sodium salt (1:4)
Test material form:
solid: particulate/powder

Results and discussion

Water solubility
Water solubility:
318 g/L
Temp.:
20 °C
pH:
6

Applicant's summary and conclusion

Executive summary:

Interpretation of results (migrated information): very soluble (> 10000 mg/L)

The water solubility of the substance is 318g/l.