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Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 2017-02-21 to 2017-08-28
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Cross-reference
Reason / purpose for cross-reference:
reference to same study
Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 2017-02-21 to 2017-08-28
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
Preliminary test
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
2017-03-23
Type of method:
flask method
Water solubility:
< 1 g/L
Conc. based on:
test mat.
Incubation duration:
10 min
Temp.:
24.5 °C
Remarks on result:
other: pH not measured because no solubilisation occurs during the preliminary test

The temperature during the assays 1 to 7 was recorded between 24.4 °C and 25.0 °C with a mean temperature at 24.8 °C.

 

Assay

No.

Test item
weight(g)

HPLC water added(mL)

Substance dissolved

Estimated concentration(g/L)

1

0.11201

0.1

No

< 1120.1

2

0.10158

0.1

No

< 1015.8

3

0.5

No

< 203.16

4

1.0

No

< 101.58

5

2.0

No

< 50.79

6

10.0

No

< 10.158

7

0.097

100.0

No

< 0.97

 

A white precipitate was observed after addition of water.

Conclusions:
The solubility in water of the test item was determined to be lower than 1 g/L at 24.5 °C ± 0.5 °C.
Executive summary:

The water solubility of tribenzyl phosphite acid has been determined according to EC A.6 method and OECD test guideline 105 in compliance with GLP. A visual interpretation demonstrated that the water solubility of test substance at 25°C was < 1 g/L.

Data source

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 105
GLP compliance:
yes (incl. QA statement)
Remarks:
2017-03-23

Test material

Constituent 1
Chemical structure
Reference substance name:
Tribenzyl phosphite
Cas Number:
15205-57-9
Molecular formula:
C21H21O3P
IUPAC Name:
Tribenzyl phosphite
Test material form:
liquid

Results and discussion

Physical state at 20°C and 1013 hPa:
liquid
Remarks:
with particle in suspension
Form / colour / odour
Form:
liquid
Remarks:
with solid in suspension
Colour:
Pale yellow

Applicant's summary and conclusion

Conclusions:
The tribenzyl phosphite is a pale yellow liquid with particle in suspension at 20°C