Appearance White crystalline powder Assay 99.0-100.5%min Melting point 128-132℃ Specific optical rotation -15.7?~-17.3? Residue on ignition 0.1% max Loss on drying 0.5%max Heavy metals 20ppm max Absence of reducing substance Accords with the specification Clarity and color of the solution Accords with the specification
杭州鼎燕化工有限公司
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