Disodium 4,4'-diamino-9,9',10,10'-tetrahydro-9,9',10,10'-tetraoxo[1,1'-bianthracene]-3,3'-disulphonate

Water solubility

Administrative data

Endpoint:

water solubility

Type of information:

experimental study

Adequacy of study:

weight of evidence

Reliability:

4 (not assignable)

Rationale for reliability incl. deficiencies:

other: basic data given; the assessment, however, is lacking of accuracy, and therefore not fully comprehensible

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2006

Materials and methods

Principles of method if other than guideline:

other: measured (similar to flask method)

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Disodium 4,4'-diamino-9,9',10,10'-tetrahydro-9,9',10,10'-tetraoxo[1,1'-bianthracene]-3,3'-disulphonate

EC Number:

227-877-4

EC Name:

Disodium 4,4'-diamino-9,9',10,10'-tetrahydro-9,9',10,10'-tetraoxo[1,1'-bianthracene]-3,3'-disulphonate

Cas Number:

6022-22-6

Molecular formula:

C28H16N2O10S2.2Na

IUPAC Name:

disodium 4,4'-diamino-9,9',10,10'-tetraoxo-9,9',10,10'-tetrahydro-1,1'-bianthracene-3,3'-disulfonate

Details on test material:

Name of test material (as cited in study report): 3305 aus Samboware (LOT-Nr.: 14422Cl3,Pa. 90, feuchter Preßkuchen)

Results and discussion

Water solubility

Water solubility 1

Water solubility:

6.05 g/L

Temp.:

20 °C

Water solubility 2

Water solubility:

12.96 g/L

Temp.:

35 °C

Details on results:

sample No. T, °C solubility, g/l

DBD/M1 20 6,05
DBD/M2 25 7,81
DBD/M3 35 12,96
DBD/M4 45 32,98
DBD/M5 55 39,75

Any other information on results incl. tables

Study was performed without considering the pH value.