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

Boiling point

Administrative data

Endpoint:

boiling point

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.2 (Boiling Temperature)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling point/boiling range)

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:

differential scanning calorimetry

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

Boiling point

Boiling pt.:

> 673 K

Atm. press.:

100.08 - 101.77 kPa

Decomposition:

no

Any other information on results incl. tables

Result: No definitive signs of boiling were shown in the test material.

Applicant's summary and conclusion

Conclusions:

The boiling temperature of the test material has been determined to be greater than 673 K at 100.08 to 101.77 kPa.

Executive summary:

Boiling Temperature:  Greater than 673 K at 100.08 to 101.77 kPa, by differential scanning caloritry, using ASTM E537-86, Method A2 Boiling Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 103 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.