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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
GLP compliance:
no
Auto-ignition temperature:
250 °C
Atm. press.:
1 010 hPa
Remarks on result:
other: The result is not reported as the mean, but as the lowest value, where no ignition occurs

The lowest result of an ignition was found in the main tests at 420 °C.

Conclusions:
For heptanoic anhydride an autoignition temperature of 250 °C was obtained at 1010 hPa.
Executive summary:

Heptanoic anhydride has an auto-ignition temperature of 250 °C when tested according to EC Test Procedure A.15 (DIN 51794). The barometric pressure was 1010 hPa.

Description of key information

For heptanoic anhydride an autoignition temperature of 250 °C was obtained at 1010 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
250 °C

Additional information