2-Propenoic acid, homopolymer

Auto flammability

Link to relevant study record(s)

Reference

Endpoint:

auto-ignition temperature (liquids)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

From 2016-08-24 to 2017-05-09

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Reason / purpose for cross-reference:

reference to same study

Reason / purpose for cross-reference:

reference to same study

Reason / purpose for cross-reference:

reference to same study

Qualifier:

according to guideline

Guideline:

EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Remarks:

2017-03-23

Specific details on test material used for the study:

- Analytical purity: >=99%
- Purity test date: 24 August 2016
- Lot/batch No.: BA5H22021
- Expiration date of the lot/batch: 24 August 2017
- Appearance: Colourless limpid liquid
- Storage: In darkness at room temperature

Key result

Auto-ignition temperature:

459 °C

Atm. press.:

973 hPa

Preliminary test

Injection No.	Volume of test item injected in the oven (µL)	Temperature (°C)		Auto-ignition		Maximal temperature of the air recorded in the center of the test flask after auto-ignition(°C)		Atm pressure (kPa)	Relative humidity (%)
		Observed	Corrected	Y / N	Lag(s)	Observed	Corrected
1	70	99	100	N	/	/	/	99.0	22
2	70	150	151	N	/	/	/	98.9	22
3	70	200	201	N	/	/	/	98.7	22
4	70	249	250	N	/	/	/	98.7	22
5	70	308	309	N	/	/	/	98.6	26
6	70	351	352	N	/	/	/	98.4	26
7	70	401	402	N	/	/	/	98.3	25
8	70	451	452	N	/	/	/	98.2	34
9	70	491	492	Y	3	497	498	98.1	35
10	70	472	473	Y	4	476	477	98.0	35
11	70	460	461	N	/	/	/	98.2	43
12	90	460	461	Y	7	468	469	98.2	44
13	50	460	461	N	/	/	/	98.0	48
14	110	460	461	Y	7	471	472	97.9	47
15	130	460	461	Y	10	465	466	97.9	46
16	90	455	456	Y	10	465	466	97.9	44
17	110	455	456	Y	10	462	463	97.9	43
18	130	455	456	N	/	/	/	97.5	38
19	90	451	452	N	/	/	/	97.5	38
20	110	451	452	N	/	/	/	97.4	38
21	90	453	454	N	/	/	/	97.4	37
22	110	453	454	N	/	/	/	97.4	38

 

The lowest auto-ignition temperature was found between 454 °C and 456 °C (corrected values) with volumes of 90 µL and 110 µL.

The main test was conducted using 90 µL.

Main test

Volume of test item injected in the oven: 90µL

Only the auto-ignition runs for each assay are summarised in the following table:

 

	Auto-ignition temperature(°C)		Auto-ignition	Maximal temperature of the air recorded in the center of the test flask after ignition(°C)		Atmospheric pressure (kPa)	Relative humidity (%)
Assay No.	Observed	Corrected	Lag(s)	Observed	Corrected
1	459	460	9	463	464	97.3	42
2	458	459	10	469	470	97.3	39
3	461	462	8	470	471	97.3	35
4	459	460	11	464	465	98.2	33
5	458	459	10	466	467	98.3	34

 

 

Conclusions:

The auto-ignition temperature of the test item was 459°C ± 3°C (corrected temperature).

Executive summary:

The auto-ignition temperature of the REACH substance was determined in a GLP-compliant study performed in accordance with EC A.15 method. The auto-ignition temperature of the test item was 459°C ± 3°C.

Description of key information

The auto-ignition temperature of the REACH substance was been determined in a GLP-compliant study performed in accordance with EC A.15 method.The auto-ignition temperature of the test item was 459°C ± 3°C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

459 °C

Additional information

The auto-ignition temperature of the REACH substance was been determined in a GLP-compliant study performed in accordance with standard methods, without deviations. The study is considered as reliable (Klimisch 1) and is selected as a key study for the endpoint.