Phosphorous acid, mixed 2,4-bis(1,1-dimethylpropyl)phenyl and 4-(1,1-dimethylpropyl)phenyl triesters

Density

Administrative data

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

15th December 2009 to 23rd February 2010.

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2010

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Remarks:

Date of GLP inspection: 15/09/09 Date of Signature on GLP: 26/11/09

Type of method:

pycnometer method

Test material

Test material information

Constituent 1

Reference substance name:

[4-(2-methylbutan-2-yl)phenyl]x[2,4-bis(2-methylbutan-2-yl)]3-x phosphite (where x = 0, 1, 2, 3)

IUPAC Name:

[4-(2-methylbutan-2-yl)phenyl]x[2,4-bis(2-methylbutan-2-yl)]3-x phosphite (where x = 0, 1, 2, 3)

Details on test material:

Sponsor's identification : DVS005u (aka Weston 705)
Description : clear colourless viscous liquid
Batch number : MW9F23A901
Date received : 05 November 2009
Expiry date : 15 June 2010
Storage conditions : approximately 4°C in the dark, under nitrogen

Results and discussion

Density

Type:

relative density

Density:

1.02

Temp.:

20 °C

Any other information on results incl. tables

Results of duplicate determinations of relative density are shown in the following table:

Measurement	Determination
	1	2
Mass of vessel (g)	25.6325	25.0222
Mass of vessel and distilled water at 20.0ºC (g)	64.2774	63.5556
Mass of vessel and test material at 20.0ºC (g)	65.1634	64.3515
Density of water at 20.0ºC (kg/m^3)	998.20	998.20
Density (kg/m^3)	1.02 x 10^3	1.02 x 10^3
Relative density	1.02	1.02

Mean relative density:          1.02
Temperature:             20.0 ± 0.5ºC

 

Applicant's summary and conclusion

Conclusions:

The relative density of the test material has been determined to be 1.02 at 20.0 ± 0.5°C.

Executive summary:

Relative Density.  1.02 at 20.0 ± 0.5°C, using a pycnometer method, Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 109 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.