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                      Specifications - Coumarin
                      Methyl Iodide Producers
                      Product Coumarin
                      Structural formula 1,3-Acetonedicarboxylic Acid
                      CAS No. [91-64-5]
                      Molecular formula C9H6O2
                      Appearance White to off-white crystalline powder.
                      Melting point Between 68oC and 72oC
                      Water Not more than 0.5%
                      Purity Not less than 98.00%

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