Registration Dossier
Registration Dossier
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EC number: 266-006-2 | CAS number: 65996-73-8 The wetted particulate matter recovered by wet collection techniques, including pollution abatement equipment, for the recovery of materials such as iron sinter dust, blast furnace dust, steelmaking dust, and mill scale.
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 4.12.2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- thermal analysis
- Key result
- Melting / freezing pt.:
- > 640 °C
- Conclusions:
- No endothermic peak corresponding to melting of the test substance was recorded in the tested temperature range from 35°C to 640°C.
Definite value of melting temperature of the test substance, Slimes and Sludges, blast furnace and steelmaking, could not be determined in the tested temperature range from 35°C to 640°C. - Executive summary:
The melting temperature of the test substance, Slimes and Sludges, blast furnace and steelmaking was determined. The Differential Scanning Calorimetry method was used.
The procedures used in the study were in accordance with:
Method A.1. Melting/Freezing temperature, Council Regulation (EC) No.440/2008, Published in O.J. L 142, 2008
OECD Test Guideline No.102, Melting Point/Melting Range, Adopted July 27, 1995
No endothermic peak corresponding to melting of the test substance was recorded in the tested temperature range from 35°C to 640°C.
Definite value of melting temperatureof the test substance, Slimes and Sludges, blast furnace and steelmaking, could not bedetermined in the tested temperature range from 35°C to 640°C.
Reference
Description of key information
Thermal analysis method according to OECD TGD 102 was used. Extended method on the principle of thermogravimetry was used to measure in temperature range from 25°C to 1100°C (according to internal standard AKP 971) without GLP standard.
Key value for chemical safety assessment
Additional information
Definite value of melting temperature of the test substance, Slimes and Sludges, blast furnace and steelmaking, could not be determined neither in the tested temperature range from 35°C to 640°C or 25 - 1100°C.
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