1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, ester with phenyl(2,3,4-trihydroxyphenyl)methanone

Auto flammability

Administrative data

Endpoint:

relative self-ignition temperature (solids)

Data waiving:

study scientifically not necessary / other information available

Justification for data waiving:

other:

Cross-reference

Reason / purpose for cross-reference:

data waiving: supporting information

Reference

Endpoint:

self-reactive substances

Type of information:

experimental study

Adequacy of study:

supporting study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

test procedure in accordance with national standard methods with acceptable restrictions

Principles of method if other than guideline:

- Principle of test: DTA (Differential Thermal Analysis)
- Short description of test conditions:
start temperature: 25 °C
end temperature: 450 °C
heat rate: 3.0 K/min
weight: 28.49 mg

- Parameters analysed / observed: heat flow
- Apparatus: Mettler TA3000 System, stainless steel pot

GLP compliance:

no

Start of decompostion was observed at 90 °C. 3 peaks were integreted and the heat of decompostion were calculated to be - 350 J/g; -700 J/g; -150 J/g.

Data source

Reference

Reference Type:

other company data

Title:

Unnamed

Year:

1994

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.16 (Relative Self-Ignition Temperature for Solids)

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, ester with phenyl(2,3,4-trihydroxyphenyl)methanone

EC Number:

270-931-7

EC Name:

1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, ester with phenyl(2,3,4-trihydroxyphenyl)methanone

Cas Number:

68510-93-0

Molecular formula:

all potential esters of C10HH5O3N2SCl and C13H10O4

IUPAC Name:

3-benzoyl-2-hydroxy-6-({[5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalen-1-yl]sulfonyl}oxy)phenyl 5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalene-1-sulfonate; 4-benzoyl-2,3-bis({[5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalen-1-yl]sulfonyl}oxy)phenyl 5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalene-1-sulfonate; 4-benzoyl-2,3-dihydroxyphenyl 5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalene-1-sulfonate

Results and discussion

Relative self-ignition temperature (solids)

Relative self-ignition temperature:

>= 100 °C

Remarks on result:

other:

Remarks:

at atm. press. of ca.101.0 Pa