3,5,8-Trioxa-4-phosphaundec-10-en-1-aminium, 4-hydroxy-N,N,N,10-tetramethyl-9-oxo-, inner salt, 4-oxide

Auto flammability

Administrative data

Endpoint:

relative self-ignition temperature (solids)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

20 November 2008 to 19 March 2009

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: see 'Remark'

Remarks:

This study was conducted in accordance with the relevant international Guideline (EC Test A.16). The study report presented enough information to confirm study validity and the methodology description was sufficient to make the test wholly reproducible.

Cross-reference

Cross-reference 1

Reason / purpose for cross-reference:

reference to same study

Cross-reference 2

Reason / purpose for cross-reference:

reference to other study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2009

Report date:

2009

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EU Method A.16 (Relative Self-Ignition Temperature for Solids)

Deviations:

no

Principles of method if other than guideline:

N/A

GLP compliance:

yes (incl. QA statement)

Remarks:

UK GLP Regulation (1999)

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

417-560-0

EC Name:

-

Cas Number:

67881-98-5

Molecular formula:

C11H22NO6P

IUPAC Name:

trimethyl[2-({2-[(2-methylprop-2-enoyl)oxy]ethyl phosphonato}oxy)ethyl]azanium

Details on test material:

- Name of test material (as cited in study report): HEMA-PC (2-Methacryloyloxyethyl-2'-(trimethylammoniumethyl) phosphate
- Substance type: Pure Active Substance
- Physical state: Solid
- Analytical purity: 99 % (98-101 %)
- Impurities (identity and concentrations): 0.1 % by area (HPLC)
- Purity test date: 29 September 2008
- Lot/batch No.: SS148076
- Expiration date of the lot/batch: 27 October 2009 (lab default)
- Stability under test conditions: Stable
- Storage condition of test material: Under nitrogen at -20 degrees celsius in the dark.
- Other: N/A

Results and discussion

Relative self-ignition temperature (solids)

Relative self-ignition temperature:

388 °C

Remarks on result:

other:

Any other information on results incl. tables

A small exothermic peak was detected at an oven temperature of 139 degrees celsius, at which point the sample temperature reached a maximum of 153 degrees celsius.

Beyond the exothermic peak, the sample temperature remained above the oven air temperature, eventually reaching 400 degrees celsius at a corresponding oven air temperature of 388 degrees celsius. According to the criteria of the test, this temperature is defined as the RSIT.

On inspection after the test, the basket was found to be full of black charred material, which is consistent with the sample having decomposed during the test.

Applicant's summary and conclusion

Conclusions:

The testing of HEMA-PC for auto flammability was conducted successfully. The relative self-ignitions temperature was determined to be 388 ± 5 degrees celsius.

Executive summary:

The testing of HEMA-PC for auto flammability was conducted successfully in accordance with EC Test A.16.

The relative self-ignition temperature was determined to be 388 ± 5 degrees celsius.