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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well performes study according nto achnowledged standard

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: VDI 2263 sheet 1
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
pentasodium 4-({4-[(4-aminophenyl)({4-[(4-sulfonatophenyl)amino]cyclohexa-2,5-dien-1-ylidene})methyl]phenyl}amino)benzene-1-sulfonate 4-{[4-({4-[(4-sulfonatophenyl)amino]cyclohexa-2,5-dien-1-ylidene}({4-[(4-sulfonatophenyl)amino]phenyl})methyl)phenyl]amino}benzene-1-sulfonate
EC Number:
944-086-6
IUPAC Name:
pentasodium 4-({4-[(4-aminophenyl)({4-[(4-sulfonatophenyl)amino]cyclohexa-2,5-dien-1-ylidene})methyl]phenyl}amino)benzene-1-sulfonate 4-{[4-({4-[(4-sulfonatophenyl)amino]cyclohexa-2,5-dien-1-ylidene}({4-[(4-sulfonatophenyl)amino]phenyl})methyl)phenyl]amino}benzene-1-sulfonate
Test material form:
solid
Details on test material:
UVCB

Results and discussion

Flammable solids
Test procedure:
other: Burning index is 3
Remarks on result:
not measured/tested
Remarks:
Burning index is 3

Applicant's summary and conclusion

Interpretation of results:
non flammable
Conclusions:
Combustion Number 3 can be assigned to the substance (localized combustion or glowing with practically no spreading)

UN transport regulation: The substance does not have to be classified as a “readily combustible solid”, class 4.1, of the transport regulations.
EU-GHS/CLP: The substance does not have to be classified as a “flammable solid”.
Regulation (EG) 440/2008 (test methods for REACH): The substance does not have to be classified as a “highly flammable solid”.
Executive summary:

The substance was tested for flammability according to VDI 2263 sheet 1.

The product showed a local glowing fire when an ignition source (flame or hot wire) was applied at

ambient temperature. A propagation of the combustion was not observed. The product did not melt.

The combustion behaviour of the product at ambient temperature is characterized by the burning index BZ 3 (localized combustion or glowing with practically no spreading).

Due to the fact that no propagation of the combustion was observed the burning rate had not to be determined.