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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
12-1998-01.1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline Study with GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate
EC Number:
429-300-3
EC Name:
1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate
Cas Number:
155601-30-2
Molecular formula:
C5H12N4O5S
IUPAC Name:
2-(4,5-diamino-1H-pyrazol-1-yl)ethan-1-ol; sulfuric acid
Details on test material:
Cas 155601-30-2 Pyrazole DHE 99.5%

Results and discussion

Any other information on results incl. tables

No No self-ignition was observed up to the stop temperature of 400°C

Applicant's summary and conclusion

Conclusions:
The test Substance 4,5-diamino-1-(2-hydroxyethyl)-1H-pyrazole dihydrogensulfate is not self-ignitible according to EEC Guideline A.16
Executive summary:

The test Substance 4,5-diamino-1-(2-hydroxyethyl)-1H-pyrazole dihydrogensulfate is not self-ignitible according to EEC Guideline A.16