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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Flammability

Currently viewing:

Administrative data

Endpoint:
self-heating substances / mixtures
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Jan - Mar 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
UN Manual of Tests and Criteria: Test N.4 (Test method for self-heating substances)
Version / remarks:
Rev. 6 (2015)
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrakis(pentane-2,4-dionato-O,O')zirconium
EC Number:
241-510-5
EC Name:
Tetrakis(pentane-2,4-dionato-O,O')zirconium
Cas Number:
17501-44-9
Molecular formula:
C20H28O8Zr
IUPAC Name:
2,4,8,8,10,10,13,15-octamethyl-1λ³,5λ³,7λ³,7λ³,11λ³,11λ³,12λ³,16λ³-octaoxa-6-zirconadispiro[5.5⁶.5⁶.5⁶]henicosa-1,4,7,7,10,10,12,15-octaene-6,6,6,6-tetrakis(ylium)-3,9,9,14-tetraide
Test material form:
solid: particulate/powder
Details on test material:
- Identification: Zirconium (IV) acetylacetonate (Zr-acac)
- Description: White to off-white powder
- Storage conditions: At room temperature
Specific details on test material used for the study:
Particle size distribution: D10 = 1310 μm, D50 = 2180 μm and D90 = 3010 μm.

Results and discussion

Self-heating substances / mixtures
Key result
Test procedure:
100 mm sample cube at 140°C
Result:
negative outcome (no effect observed)

Any other information on results incl. tables

Towards the end of the test period, a slight increase in sample temperature is observed, reaching a few °C above the test temperature after 24 hours, and approximately 9°C above the test temperature after 30 hours.

Applicant's summary and conclusion

Interpretation of results:
not classified based on GHS criteria
Remarks:
and not classified based on CLP criteria
Conclusions:
The substance is not a self-heating substance.