Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
stability: thermal, sunlight, metals, other
Remarks:
Migrated from section 'Stability: thermal, sunlight, metals'
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 51007
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-sulphonyldiphenol
EC Number:
201-250-5
EC Name:
4,4'-sulphonyldiphenol
Cas Number:
80-09-1
Molecular formula:
C12H10O4S
IUPAC Name:
4,4'-sulfonyldiphenol
Details on test material:
- Name of test material (as cited in study report): 4,4'-DIHYDROXYDIPHENYLSULFON
- Analytical purity: 99.4 g/100 g

Results and discussion

For thermal stability study

Test substance thermally stable:
no
Operating temperature
Operating temp.:
30 - 500 °C
Remarks on result:
other: Heating rate: 2.5 K/min

Any other information on results incl. tables

1st reaction exothermic

onset temperature 290 °C

peak temperature 305 °C

released heat content 240 J/g

The reaction is self-accelerating.

2nd reaction exothermic

onset temperature 395 °C

peak temperature 439 °C

released heat content 30 J/g

The reaction was not tested for self-accelerating decomposition behavior.

Applicant's summary and conclusion