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Administrative data

Endpoint:
flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Dec 1999
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well-documented study report which meets basic scientific principles.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: VDI 2263 sheet 1
Principles of method if other than guideline:
Determination of the combustion class number ("Brennzahl" BZ).

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[(4-methoxy-2-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
EC Number:
229-419-9
EC Name:
2-[(4-methoxy-2-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
Cas Number:
6528-34-3
Molecular formula:
C18H18N4O6
IUPAC Name:
2-[(4-methoxy-2-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide

Results and discussion

Flammable solids
Test procedure:
burning time (test type not further specified)
Remarks:
or specified in description of method (migrated information)
Burning time:
58 s
Remarks on result:
other: Burning distance 100 mm
Pyrophoric solids
Test procedure:
ignition time on contact with air
Remarks:
Ignition on contact with air refers to either Pyrophoric solids or Pyrophoric liquids depending on physical state (migrated information).
Remarks on result:
no ignition on contact with air (not further specified)
Remarks:
corresponding to 'no' in migrated source record.
Pyrophoric liquids
Test procedure:
ignition time on contact with air
Remarks:
Ignition on contact with air refers to either Pyrophoric solids or Pyrophoric liquids depending on physical state (migrated information).
Remarks on result:
no ignition on contact with air (not further specified)
Remarks:
corresponding to 'no' in migrated source record.

Any other information on results incl. tables

The test substance is assigned to combustion class 5: " Spread of an open fire" ("Brennzahl" 5 definition according to HVBG, 2001).

Due to flame propagation a burning rate was determined.

The burning time for a burning distance of 100 mm was 58 s.

Reference: HVBG, Hauptverband der gewerblichen Berufsgenossenschaften: GESTIS-DUST-EX Database - combustion and explosve characteristics of dusts, Edition 2/2001 HVBG, Sankt Augustin, 2001 

Applicant's summary and conclusion

Interpretation of results:
non flammable
Remarks:
Migrated information
Conclusions:
The test substance is assigned to combustion class 5: "Spread of an open fire".
The burning time for a burning distance of 100 mm was 58 s.
The test item is not a flammable solid according to UN class 4.1.
Executive summary:

The combustion class number ("Brennzahl" BZ) of the test item was determined.

The test substance is assigned to combustion class 5: "Spread of an open fire".

The burning time for a burning distance of 100 mm was 58 s.

The test item is not a flammable solid.