DL-Mandelic acid [ 90-64-2 ]

Purity: 99% +, white trapezius flake crystallization, dew buy encounter light discoloration decomposition. Melting point ℃ 119. The relative density 1.30. Soluble in ethyl ether, isopropyl alcohol, soluble in ethanol and water. R type melting point for 133 ℃, [alpha] - 159.73 ° (alcohol), in 160 ℃ gradually eliminate spin outside glycosylated. S-type melting point for 133.8 ℃, [alpha] + 156.57 ° (water). In the pharmaceutical industry can be used for cephalosporins hydroxyl triazoles and vasodilators ring of prunus communis acid ester, drop of ophthalmic hydroxyl benzyl thiazole, horse Maureen etc intermediates and could also be preservatives. Used for pharmaceutical raw materials and intermediates, dye intermediates, etc