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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
thermal stability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19.10.2006
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report date:
2006

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
DTA, closed cup, heating rate 3K/min

Test material

Constituent 1
Chemical structure
Reference substance name:
3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulfonyl chloride
EC Number:
253-042-9
EC Name:
3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulfonyl chloride
Cas Number:
36451-09-9
Molecular formula:
C10H5ClN2O3S
IUPAC Name:
3-(-lambda5-diazynylidene)-4-oxo-3,4-dihydronaphthalene-1-sulfonyl chloride
Test material form:
solid

Results and discussion

For thermal stability study

Test substance thermally stable:
no
Operating temperature
Key result
Operating temp.:
> 120 - < 180 °C
Remarks on result:
other: decomposition energy -820J/g

For study on stability to sunlight

Test substance stable to sunlight:
no

Applicant's summary and conclusion

Conclusions:
Decompsotion at 120°C, decomposition energy -820 J/g.