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Physical & Chemical properties

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Link to relevant study record(s)

Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22-Sep to 23-Sep-2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
1.6.3
Qualifier:
according to guideline
Guideline:
other: DIN 51794
GLP compliance:
yes (incl. QA statement)
Remarks:
Bayerisches Landesamt fűr Arbeitsschutz, Arbeitsmedizin und Sicherheitstechnik, München
Auto-ignition temperature:
250 °C
Atm. press.:
975.4 hPa
Remarks on result:
other:

Results

 

Preliminary test

 

no.

Test temperature

(°C)

Quantity of sample (drops)

Atmospheric pressure (hPa)

Time lags (s)

Result concerning ignition

(+ / -)

1

172

11

973.8

300

-

2

194

11

973.8

300

-

3

210

11

973.8

300

-

4

232

11

973.8

300

-

5

250

11

973.8

300

-

6

272

11

973.8

10

+

 

Lowest test temperature = 272 °C

 

First test series

 

no.

Test temperature

(°C)

Quantity of sample (drops)

Atmospheric pressure (hPa)

Time lags (s)

Result concerning ignition

(+ / -)

1

270

11

973.8

10

+

2

265

11

973.8

10

+

3

260

11

973.8

13

+

4

255

11

973.8

15

+

5

250

11

973.8

300

-

6

250

8

973.8

300

-

7

250

5

973.8

300

-

8

250

2

973.8

300

-

9

250

14

973.8

300

-

10

250

17

973.8

300

-

11

250

20

973.8

300

-

 

Lowest test temperature = 255 °C

 

 

Main test

 

no.

Test temperature

(°C)

Quantity of sample (drops)

Atmospheric pressure (hPa)

Time lags (s)

Result concerning ignition

(+ / -)

1

255

11

975.4

15

+

2

253

11

975.4

15

+

3

251

11

975.4

300

-

4

251

8

975.4

20

+

5

251

5

975.4

300

-

6

251

2

975.4

300

-

7

251

14

975.4

300

-

8

251

17

975.4

300

-

9

251

20

975.4

300

-

 

Lowest test temperature = 251 °C

 

First repeat test

 

no.

Test temperature

(°C)

Quantity of sample (drops)

Atmospheric pressure (hPa)

Time lags (s)

Result concerning ignition

(+ / -)

1

255

11

975.4

15

+

2

253

11

975.4

15

+

3

251

11

975.4

300

-

4

251

8

975.4

300

-

5

251

5

975.4

300

-

6

251

2

975.4

300

-

7

251

14

975.4

300

-

8

251

17

975.4

300

-

9

251

20

975.4

300

-

 

Lowest test temperature = 253 °C

 

Summary

 

Test

Value

lowest value of the first test series

255 °C

lowest value of the main test

251 °C

lowest value of the first repeat test

253 °C

 

Auto-ignition temperature: 250 °C

Conclusions:
An auto-ignition temperature of 250 °C at 975.4 hPa was determined in a reliable study conducted according to an appropriate test protocol, and in compliance with GLP.

Description of key information

Methyl-N-{[dimethoxy(methyl)silyl]methyl}carbamate: 250°C at 975.4 hPa (measured)

Key value for chemical safety assessment

Additional information

An auto-ignition temperature of 250°C at 975.4 hPa was determined for the parent substance according to EU Method A.15.