Propylphosphonic dichloride

Flash point

Administrative data

Endpoint:

flash point

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2012

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

ISO No., other: DIN EN 15794 (2010)

GLP compliance:

yes (incl. QA statement)

Type of method:

other: DIN EN 15794 - Determination of explosion points of flammable liquids

Test material

Test material information

Constituent 1

Reference substance name:

Propylphosphonic dichloride

EC Number:

225-195-1

EC Name:

Propylphosphonic dichloride

Cas Number:

4708-04-7

Molecular formula:

C3H7Cl2OP

IUPAC Name:

propylphosphonoyl dichloride

Results and discussion

Flash point

Flash point:

88 °C

Atm. press.:

1 013 hPa

Remarks on result:

other: Measured as lower explosion point

Any other information on results incl. tables

The test results are presented in the following table. An ignition is shown by + and no ignition by -.

Table1: Results

storage time / h	liquid phase temperature / °C	gas phase temperature / °C	ignition (+/-)	air pressure /hPa	remark
2	35.6	33.9	-	1001.5
2	51.1	49.6	-	1004.5
3	76.6	76.1	-	1004.5	formation of smoke
4	101.0	99.9	+	1001.1	flame detachment, formation of smoke
4	96.6	96.2	+	997.8	ignition without detached flame, halo reached top of the vessel,formation of smoke
4	91.3	91.0	+	1006.4	flame detachment, formation of smoke
4	86.6	86.2	-	1010.3	burning on electrodes,formation of smoke
4	81.9	81.6	-	1002.7	burning on electrodes,formation of smoke
4	89.1	88.7	-	990.2	ignition without detached flame,formation of smoke
4	90.7	90.3	-	990.2	ignition without detached flame,formation of smoke
4	91.7	91.5	+	995.5	flame detachment, formation of smoke
4	90.4	90.0	+	1005.6	flame detachment, formation of smoke
8	88.9	88.5	+	1004.5	flame detachment, formation of smoke
5	87.9	87.6	-	1002.7	ignition without detached flame,formation of smoke

In the test the highest temperature where no ignition was observed was 87.9 °C.

The measured lower explosion point is corrected to the ambient pressure to be 88.2 °C

 

Applicant's summary and conclusion

Conclusions:

The test item Propylphosphonic dichloride has a lower explosion point of 88 °C, according to DIN EN 15794 - Determination of explosion points of flammable liquids.