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Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15 July 2011 - 09 February 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Study conducted in accordance with International guidelines and in accordance with GLP. All guideline validity criteria were met.
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
Commission Regulation (EC) No 440/2008 laying down test methods pursuant to Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH).
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
RADIOLABELLING INFORMATION (if applicable)
- Radiochemical purity: N/A
- Specific activity: N/A
- Locations of the label: N/A
- Expiration date of radiochemical substance: N/A

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room temperature in the dark and under nitrogen.
- Stability under test conditions: Assumed stable.
- Solubility and stability of the test substance in the solvent/vehicle: N/A, applied as supplied.
- Reactivity of the test substance with the solvent/vehicle of the cell culture medium: N/A

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: N/A
- Preliminary purification step (if any): N/A
- Final dilution of a dissolved solid, stock liquid or gel: N/A
- Final preparation of a solid: N/A

FORM AS APPLIED IN THE TEST (if different from that of starting material): Applied as supplied.

TYPE OF BIOCIDE/PESTICIDE FORMULATION (if applicable): N/A

OTHER SPECIFICS: No
Key result
Auto-ignition temperature:
> 400 °C
Atm. press.:
1 014 mBar

Table 1       Auto-ignition results

 

Test temperature

(ºC)

Test volume

(µL)

Time

(s)

Observation

400

70

>300

White smoke, no ignition

400

1000

>300

White smoke, no ignition

400

100

>300

White smoke, no ignition

400

200

>300

White smoke, no ignition

400

500

>300

White smoke, no ignition

 

 

Conclusions:
Tetraesters of pentaerythritol with 2- methylpropanoic acid and 3,5,5-trimethyl-hexanoic acid was determined not to auto-ignite below 400 °C.
Executive summary:

EC Method A.15 (2012) - The auto-ignition temperature was determined using the method described in BS 4056. A known quantity of Tetraesters of pentaerythritol with 2-methylpropanoic acid and 3,5,5-trimethyl-hexanoic acid was injected into a heated open Erlenmeyer flask containing air at 400 °C. The contents of the flask were observed in a darkened room for five minutes following addition of a sample or until ignition occurred. Ignition was not observed within five minutes, so the test was repeated with 5 different sample volumes ranging from 70-1000 µL. The test was conducted at 1014 mbar.

 

Tetraesters of pentaerythritol with 2-methylpropanoic acid and 3,5,5-trimethyl-hexanoic acid was determined not to auto-ignite below 400 ºC.

Description of key information

Auto ignition = > 400 ºC; EC Method A.15; Sydney, P. (2012)

Key value for chemical safety assessment

Additional information

EC Method A.15 (2012) - The auto-ignition temperature was determined using the method described in BS 4056. A known quantity of Tetraesters of pentaerythritol with 2-methylpropanoic acid and 3,5,5-trimethyl-hexanoic acid was injected into a heated open Erlenmeyer flask containing air at 400 °C. The contents of the flask were observed in a darkened room for five minutes following addition of a sample or until ignition occurred. Ignition was not observed within five minutes, so the test was repeated with 5 different sample volumes ranging from 70-1000 µL. The test was conducted at 1014 mbar.

 

Tetraesters of pentaerythritol with 2-methylpropanoic acid and 3,5,5-trimethyl-hexanoic acid was determined not to auto-ignite below 400 ºC.