Registration Dossier
Registration Dossier
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EC number: 847-971-4 | CAS number: 2363126-59-2
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Administrative data
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020-05-05 til 2020-05-21
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
- Report date:
- 2020
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)
Test material
- Reference substance name:
- Manganese-(II)-hexacyanomanganate (II) sodium salts
- EC Number:
- 847-971-4
- Cas Number:
- 2363126-59-2
- Molecular formula:
- NaxMny[Mn(CN)6]z X = 1.2-1.4; Y = 1.0; Z = 0.8-0.85
- IUPAC Name:
- Manganese-(II)-hexacyanomanganate (II) sodium salts
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- Oxidane
- Test material form:
- solid: particulate/powder
Constituent 1
impurity 1
Results and discussion
Relative self-ignition temperature (solids)
- Key result
- Relative self-ignition temperature:
- ca. 189 °C
Applicant's summary and conclusion
- Conclusions:
- The test item has been determined to have a relative self-ignition temperature of 189 °C.
- Executive summary:
The determination was carried out using a procedure designed to be compatible with Method A.16 Relative Self-Ignition Temperature for Solids of Commission Regulation (EC) No 440/2008 of 30 May 2008.
- Oven: A temperature programmed laboratory oven with a Eurotherm temperature controller
- Wire mesh cube: A piece of stainless steel wire mesh with 0.042 mm openings was cut, folded and secured with wire into an open topped cube with dimensions of 2 x 2 x 2 cm.
- Thermocouples: Type K thermocouples
- Recorder: Graphtec GL200a data logger
The cube was completely filled with the test item and placed in the centre of the oven at room temperature. A thermocouple was placed in the centre of the sample and another in the oven. The oven temperature was programmed to increase from ambient to 400 °C at a rate of 0.5 °C/min. The temperature/time curves relating to the condition in the centre of the sample and the oven were recorded on a data logger. Before and after the test the appearance of the test item was recorded.
The test item was a blue powder. Whilst heating the test item, self-heating of the sample has been observed. The temperature/time curve is shown in Figure 1. On completion of the test, the test item was a grey/brown fused residue.
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