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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The melting point determination of Test item 3-(1H-benzimidazol-2-yl)-7-(diethylamino)-2-benzopyrone (CAS No. 27425-55-4) was done as per the test guideline OECD 102. The method followed was according toCapillary/metal block. The mean melting point range was found to be between 222.1°C to 234.5 °C at 969.9hPa. No decomposition was observed at this temperature.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
222.1 °C

Additional information

The melting point determination of Test item 3-(1H-benzimidazol-2-yl)-7-(diethylamino)-2-benzopyrone(CAS No. 27425-55-4) was done as per the test guideline OECD 102. The method followed was according toCapillary/metal block. The mean melting point range was found to be between 222.1°C to 234.5 °C at 969.9hPa. No decomposition was observed at this temperature.

Based on other supporting studies the melting point of the test chemical 3-(1H-benzimidazol-2-yl)-7-(diethylamino)-2-benzopyrone (CAS no 27425 -55 -4) is found to be in the range of 234 - 252 deg C.