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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
no
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulphonate
EC Number:
264-719-3
EC Name:
Sodium 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulphonate
Cas Number:
64173-96-2
Molecular formula:
C10H6N2O4S.Na
IUPAC Name:
sodium 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulphonate
Test material form:
solid

Results and discussion

Water solubility
Key result
Water solubility:
ca. 190 g/L
Conc. based on:
test mat.
Incubation duration:
>= 24 - <= 72 h
Temp.:
20 °C
pH:
>= 2.8 - <= 3

Applicant's summary and conclusion

Conclusions:
The water solubility of the test substance is approx. 190 g/l at 20°C.