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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Data from IUCLID4 dataset

Data source

Reference
Reference Type:
secondary source
Title:
Unnamed
Year:
2000

Materials and methods

Principles of method if other than guideline:
no data

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate
EC Number:
226-736-4
EC Name:
Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate
Cas Number:
5460-09-3
Molecular formula:
C10H8NO7S2.Na
IUPAC Name:
sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulfonate

Results and discussion

Water solubility
Water solubility:
ca. 11.4 g/L
Temp.:
20 °C
Remarks on result:
other: pH not given

Applicant's summary and conclusion

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

solubility in water:

ca. 11.4 g/l at 20°C