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Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
February 22 - 23, 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study was performed in accordance with the European Commission Regulation (EC) No. 440/2008 Part A and Method A.15.
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
no
Remarks:
not required by the authority

Test material

Constituent 1
Chemical structure
Reference substance name:
Nitrosylsulphuric acid
EC Number:
231-964-2
EC Name:
Nitrosylsulphuric acid
Cas Number:
7782-78-7
Molecular formula:
HNO5S
IUPAC Name:
hydroxy(nitrosooxy)sulfane dioxide
Test material form:
other: liquid
Details on test material:
Identity: Confirmed by density
Storage: RT, dry
Expiry Date: November 20, 2011

Results and discussion

Auto-ignition temperature (liquids / gases)
Auto-ignition temperature:
> 653 °C
Atm. press.:
985 hPa
Remarks on result:
other: No ignition was observed up to 653°C

Any other information on results incl. tables

Preliminary test: No ignition was observed in the preliminary test.

The following table shows the results of the two preliminary tests. Temperatures where self-ignition was detected (+) and where not (-). The amount of test item tested at each measurement is indicated as numbers of drops.

1. preliminary test                            2. preliminary test

T/°C       drops       +/-                       T/°C       drops       +/-

223        5               -                          399       5               -

270       5               -                         451        5         -

323       5              -                         505 5 -

370       5              -                         569        5 -

420       5 -                         569       10             -

470       5              -                         602        5        -

519       5               -                         602       10 -

562       5 -                          602        2               -

613       5              -                         651        2        -

652       5              -                         652        5        -

650       5              -                         651       10             -

653       5              -                         652        9 -

barornetric pressure: 987.6 hPa          barometric pressure: 985.0 hPa

Applicant's summary and conclusion

Conclusions:
No self-ignition of the test item LZ5593 according to Guideline European Commission Regulation (EC) No. 440/2008, test A. 15. was observed up to atemperature of 653 °C.
Executive summary:

The study was performed in February 2010. No self-ignition of the test item LZ5593 according to Guideline European Commission Regulation (EC) No. 440/2008, test A. 15. was observed up to a temperature of 653 °C.