Registration Dossier

Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test procedure according to national standard (VDI 2263, part 1)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Directive VDI 2263, Part 1

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid
EC Number:
201-901-3
EC Name:
4-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid
Cas Number:
89-36-1
Molecular formula:
C10H10N2O4S
IUPAC Name:
4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid

Results and discussion

Auto-ignition temperature (liquids / gases)open allclose all
Auto-ignition temperature:
> 440 °C
Atm. press.:
ca. 1 013 hPa
Remarks on result:
other: This refers to the test substance
Auto-ignition temperature:
>= 330 °C
Atm. press.:
ca. 1 013 hPa
Remarks on result:
other: This refers to the test substance/Kieselguhr mixture (1:1)
Relative self-ignition temperature (solids)open allclose all
Relative self-ignition temperature:
> 440 °C
Remarks on result:
other: This refers to the test substance
Remarks:
at atm. press. of ca.1013.0 hPa
Relative self-ignition temperature:
>= 330 °C
Remarks on result:
other: This refers to the test substance/Kieselguhr mixture (1:1)
Remarks:
at atm. press. of ca.1013.0 hPa

Applicant's summary and conclusion

Conclusions:
No auto iginiton of the test substance was observed up to 440°C. Therefore the substance has not to be classified as self-heating according to Regulation (EC) No 1272/2008.