Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
7 Dec 2009 to 7 Jan 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP and in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do no effect the quality of the relevant results.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Date of inspection: 15-09-2009 Date of Signature: 26-11-2009

Test material

Constituent 1
Chemical structure
Reference substance name:
Cyclohexane-1,3-dione
EC Number:
207-980-0
EC Name:
Cyclohexane-1,3-dione
Cas Number:
504-02-9
Molecular formula:
C6H8O2
IUPAC Name:
cyclohexane-1,3-dione
Details on test material:
- Name of test material (as cited in study report): 1,3 cyclohexane dione
- Substance type: Powder
- Physical state: Solid
- Analytical purity: 1,3 Cyclohexane Dione >97% W/W
- Impurities (identity and concentrations): Sodium Chloride 1%W/W Maximum
Water 0.5%W/W Maximum
- Composition of test material, percentage of components: 1,3 Cyclohexane Dione 99.2% W/W
Sodium Chloride 0.25%W/W
Water 0.4%W/W

- Purity test date: 18 November 2009
- Lot/batch No.: 184731091224
- Expiration date of the lot/batch: 18 May 2010
- Radiochemical purity (if radiolabelling): N/A
- Stability under test conditions: Stable
- Storage condition of test material: approximately 4 deg C in the dark

Results and discussion

Relative self-ignition temperature (solids)
Key result
Relative self-ignition temperature:
> 130 °C
Remarks on result:
no self-ignition observed up to the melting point

Any other information on results incl. tables

Results

See attached Auto Ignition temperature Curve

Observations after the test

The cube was empty. A dark brown sticky residue was observed on the base of the cube holder and on the bottom of the oven.

Applicant's summary and conclusion

Conclusions:
The test material has been determined not to have a relative self-ignition temperature below its melting temperature.
Executive summary:

Hazardous physico-chemical properties were determined using methods specified in Commission Regulation (EC) No 440/2008 of 30 May 2008.

Test

Method

Result

Relative Self-Ignition Temperature for Solids

A16

None below its melting temperature.