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Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Autoflammability test performed based on national standard VDI 2263

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: VDI- Richtlinie 2263 (national standard)
Principles of method if other than guideline:
Testing in Grewer oven (small wire cage with a volume of 8 cm3)

Test material

Constituent 1
Chemical structure
Reference substance name:
4-amino-6-chlorotoluene-3-sulphonic acid
EC Number:
201-837-6
EC Name:
4-amino-6-chlorotoluene-3-sulphonic acid
Cas Number:
88-51-7
Molecular formula:
C7H8ClNO3S
IUPAC Name:
2-amino-4-chloro-5-methylbenzene-1-sulfonic acid

Results and discussion

Auto-ignition temperature (liquids / gases)open allclose all
Auto-ignition temperature:
>= 360 °C
Atm. press.:
ca. 1 atm
Remarks on result:
other: endothermic development starting at 310°C; self ignition occurring at 360°C followed by raise of temperature >600°C
Auto-ignition temperature:
>= 350 °C
Atm. press.:
ca. 1 atm
Remarks on result:
other: endothermic development starting at 310°C; self ignition occurring at 350°C followed by raise of temperature up to 650°C
Relative self-ignition temperature (solids)open allclose all
Relative self-ignition temperature:
>= 360 °C
Remarks on result:
other: endothermic development starting at 310°C; self ignition occurring at 360°C followed by raise of temperature >600°C
Remarks:
at atm. press. of ca.1.0 atm
Relative self-ignition temperature:
>= 350 °C
Remarks on result:
other: endothermic development starting at 310°C; self ignition occurring at 350°C followed by raise of temperature up to 650°C
Remarks:
at atm. press. of ca.1.0 atm

Applicant's summary and conclusion

Conclusions:
Due to it's autoflammability properties the tested substance 2B acid has not to be classified as a self-heating substance according to EC 1272/2008 (CLP Regulation).