Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Water solubility

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2008-04-30 to 2007-03-28
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
yes
Remarks:
: Backweiging to determine concentration of the substance; pH was not determined;
Principles of method if other than guideline:
The saturated solution of the test substance in water was prepared at temperatures of 25, 40 and 60°C. The saturated solution was filtered and the flow through was dried in a vacuum oven. The test substance was weighed and the concentration was determined.
GLP compliance:
no
Type of method:
other: comparable to flask method
Specific details on test material used for the study:
- Name of test material (as cited in study report): TDI Uron
- Purity > 95%
Key result
Water solubility:
ca. 2.32 other: g/100 g
Temp.:
25 °C
Remarks on result:
other: The pH value was not determined.
Water solubility:
ca. 2.55 other: g/100 g
Temp.:
40 °C
Remarks on result:
other: The pH value was not determined.
Water solubility:
ca. 3.41 other: g/100 g
Temp.:
60 °C
Remarks on result:
other: The pH value was not determined.
Conclusions:
The water solubility of TDI-Urone was determined. It is considered to be very soluble (> 10000 mg/L).
Executive summary:

The water solubility of TDI-Urone was determined with a method equivalent to the OECD guideline 105. The substance was stirred in water at temperatures of 25°C, 40°C and 65°C to to get a saturated solution. The supernatant was filtered and the eluat was dried at

45-55°C in a vacuum drying oven. The concentration of the substance was determined by reweighing.

The water solubility of TDI-Urone at 25°C was determined to be 2.32 g/100 g or 23.2 g/l water. Therefore, TDI-Urone is very soluble in water.

Description of key information

The water solubility of TDI-Urone was determined to be 23.2 g/l at 25°C. Therefore, TDI-Urone is considered to be very soluble in water.

Key value for chemical safety assessment

Water solubility:
23.2 g/L
at the temperature of:
25 °C

Additional information

The water solubility of TDI-Urone was determined with a method equivalent to the OECD guideline 105. The substance was stirred in water at temperatures of 25°C, 40°C and 65°C to get a saturated solution. The supernatant was filtered and the eluat was dried at

45-55°C in a vacuum drying oven. The concentration of the substance was determined by reweighing.

The water solubility of TDI-Urone at 25°C was determined to be 2.32 g/100 g or 23.2 g/l water. Therefore, TDI-Urone is very soluble in water.