Benzenesulfonic acid, 3-[2-[4-(phenylamino)phenyl]diazenyl]-, compd. with N,N'-diphenylguanidine (1:1)

Flammability

Administrative data

Endpoint:

flammable solids

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: see 'Remark'

Remarks:

The reliability is rated 2 because the study followed the standard guideline of reference (EU A.10 method), which describes a procedure designed to evaluate this endpoint. The results were reviewed for reliability and assessed as valid. Nevertheless no information was available wheter or not the study was conducted under GLP condition.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2014

Report date:

2014

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EU Method A.10 (Flammability (Solids))

Deviations:

no

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

[bis(phenylamino)methylidene]azanium 3-[(1E)-2-[4-(phenylamino)phenyl]diazen-1-yl]benzene-1-sulfonate

EC Number:

941-151-0

Cas Number:

1690331-63-5

Molecular formula:

C31H28N6SO3

IUPAC Name:

[bis(phenylamino)methylidene]azanium 3-[(1E)-2-[4-(phenylamino)phenyl]diazen-1-yl]benzene-1-sulfonate

Test material form:

solid: particulate/powder

Remarks:

migrated information: powder

Details on test material:

Name of test material (as cited in study report):Sepisol Fast Yellow MG-DPG
- Substance type: organic salt
- Appearance/Physical state: powder

Results and discussion

Flammable gases (Lower and upper explosion limit)

Parameter:

upper explosion limit

Remarks on result:

other: The flame extinguished by itself before reaching the reference mark of 200 mm

Flammable solids

Test procedure:

burning time (test type not further specified)

Remarks:

or specified in description of method (migrated information)

Burning time:

> 240 s

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.

Applicant's summary and conclusion

Interpretation of results:

non flammable

Remarks:

Migrated information

Conclusions:

In a preliminary essay, it was observed that the propagation time for combustion over 200 mm was superior to 240 s. No further testing was required.
SEPISOL FAST YELLOW MG-DPG is not considered as highly flammable.

Executive summary:

A test to determine if Sepisol Fast Yellow MG-DPG is a flammable solid has been carried out by following the EU method A.10.

The test material is formed into an mould powder train of 250 mm length, 20 mm width and 10 mm height on a low heat-conducting base plate. The powder train was ignited at one end with a micro burner (minimum diameter 5mm), ignition time of 2 minutes.

In a preliminary essay, it was observed, whether the combustion propagated over a distance of 200 mm within 4 minutes. If the time was longer than 4 minutes (240 s), no further testing was required according to guideline. It was observed that the propagation time was superior to 240 s. No further testing was required.

It has been concluded that Sepisol Fast Yellow MG-DPG is not a highly flammable solid according to the CLP regulation.