Chromium tris((2-ethylhexanoate)

Water solubility

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

water solubility

Type of information:

experimental study

Adequacy of study:

key study

Study period:

January 2018

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

comparable to guideline study

Reason / purpose for cross-reference:

reference to same study

Qualifier:

equivalent or similar to guideline

Guideline:

OECD Guideline 105 (Water Solubility)

Deviations:

no

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.6 (Water Solubility)

Deviations:

no

GLP compliance:

no

Type of method:

flask method

Key result

Water solubility:

< 1 other: ppm

Conc. based on:

element

Remarks:

Chromium

Temp.:

30 °C

pH:

>= 5 - <= 6

Details on results:

ICP analysis for ppm Cr was less than 1 ppm – detection limit of the test. No material dissolved due to lack of color change of the water to green (100% solubility would have been a 239 ppm reading). The pH remained in the 5-6 range and the temperature of the test was 20°C initially, then increased to 30°C. The ICP sample was taken after the 30°C temperature solubility was completed since none of the material appeared dissolved at 20°C

Conclusions:

The solubility in water of the test item is < 1 ppm Cr at 30°C.

Reference 2

Endpoint:

water solubility

Type of information:

(Q)SAR

Adequacy of study:

supporting study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

accepted calculation method

Reason / purpose for cross-reference:

reference to same study

Qualifier:

according to guideline

Guideline:

other: accepted calculation method

Principles of method if other than guideline:

QSAR prediction

GLP compliance:

no

Type of method:

other: QSAR prediction

Specific details on test material used for the study:

The program WSKOW v1.42 estimates the water solubility based on the before calculated octanol-water partition coefficient (done by KOWWIN v1.68). A log Kow of 7.64 was used for estimation.

Water solubility:

0 mg/L

Temp.:

25 °C

Remarks on result:

other: No information about the pH value is available. A log Kow of 7.64 was taken into account for this prediction.

Details on results:

No further details available.

Conclusions:

The water solubility of the test substance was determined by the computer program WSKOW v1.42 (EPIWIN software) by US-EPA. In principle, the program estimates the octanol-water partition coefficient as first step and calculates, based on this value, the water solubility. The water solubility at 25 °C is predicted as 0.0002812 mg/L.

Description of key information

Under the experimental conditions of the test carried out according to a method similar to OECD 105 guideline (flask method), the water solubility of the test item was determined to be < 1 ppm Chromium at 30°C.