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Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well performed OECD study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
GLP compliance:
no
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
8-[bis(2-hydroxyethyl)amino]-12-[(3-methylphenyl)amino]-10-phenyl-5,10λ⁵-diazatetraphen-10-ylium chloride
EC Number:
941-946-2
Molecular formula:
C33H31ClN4O2
IUPAC Name:
8-[bis(2-hydroxyethyl)amino]-12-[(3-methylphenyl)amino]-10-phenyl-5,10λ⁵-diazatetraphen-10-ylium chloride

Results and discussion

Water solubility
Water solubility:
412 mg/L
Temp.:
20 °C
pH:
ca. 2.4

Any other information on results incl. tables

The test was repeated for three times

Flask No. Equilibration pH of aqueous test substance

time at 20°C [h] solution content [mg/L]

1                            24                                   2.4                     (458) outlier, not included

2                            48                                   2.4                      413

3                            72                                   2.4                       411

mean                                                                                         412

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): moderately soluble (100-1000 mg/L)
The water solubility of the substance is 412 mg/L at 20°C.
Executive summary:

The water solubility of the substance was determined according to OECD Guideline 105 with the flask method and was found to be

412 mg/L at 20°C.