Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2005
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP missing, but test similar to national standard (VDI 2263)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001
Report date:
2001

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: national standard (VDI 2263)
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:
3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
EC Number:
229-440-3
EC Name:
3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
Cas Number:
6535-46-2
Molecular formula:
C24H16Cl3N3O2
IUPAC Name:
3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide
Test material form:
solid: nanoform, no surface treatment

Results and discussion

Auto-ignition temperature (liquids / gases)open allclose all
Auto-ignition temperature:
> 420 °C
Atm. press.:
ca. 1 013 hPa
Remarks on result:
other:
Auto-ignition temperature:
>= 270 °C
Atm. press.:
ca. 1 013 hPa
Remarks on result:
other:
Relative self-ignition temperature (solids)open allclose all
Relative self-ignition temperature:
> 420 °C
Remarks on result:
other:
Remarks:
at atm. press. of ca.1013.0 hPa
Relative self-ignition temperature:
>= 270 °C
Remarks on result:
other:
Remarks:
at atm. press. of ca.1013.0 hPa

Any other information on results incl. tables

With the substance

1. as delivered, a self-heating was not detected until 420°C. Above the melting point the test item melted and flew out of the wire basket without showing an oxidising reaction.

2. in mixture with kieselguhr (1:1) a first reaction was detected at 270°C which was intensified from 300°C to a maximum temperature of 600°C. The beginning of the reaction at 270°C corresponds to the exothermal reaction in the thermal stability test (closed glass crucibles).

Applicant's summary and conclusion