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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The melting point of charcoal was conducted according to EU A.10 test method and under GLP compliance. Three charcoal probes (Probe 1: C-Fix = 73.3%, Probe 2: C-Fix = 80.5%, and Probe 3: C-Fix = 88.7%) were tested. No signs of melting were observed in the probes. Therefore a melting point of charcoal could not be determined under the experimental conditions ( ≤1095 °C).

Key value for chemical safety assessment

Additional information

Determination of the melting point of charcoal was conducted according to EC directive 440/2008, A.10 test method and under GLP compliance. Three charcoal probes (Probe 1: C-Fix = 73.3%, Probe 2: C-Fix = 80.5%, and Probe 3: C-Fix = 88.7%) were tested. When heated in a glass capillary in an aluminium block up to 405°C no signs of melting were observed. In an additional experiment, the probes were heated up to 1095 °C in a muffle oven. A few amount of the charcoal was burnt, but no melting was detected. Therefore the melting point of charcoal could not be determined in the temperature range up to 1095°C. No differences were observed among the 3 test items.