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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The melting point determination of Tetra sodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo)) naphthalene-4,6-disulphonate (CAS No.2519-30-4)was done following OECD Guideline 102 and according to the metal block capillary method. The melting point of the test item was found to be >329.75 deg C. 

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
329.75 °C

Additional information

The melting point determination of Tetra sodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo)) naphthalene-4,6-disulphonate (CAS No.2519-30-4)was done following OECD Guideline 102 and according to the metal block capillary method. The melting point of the test item was found to be >329.75 deg C.