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Properties: white, green-white or yellow-white fine acicular or flaky crystal or crystalline powder
Solubility: slightly soluble in water, easily soluble in 96% ethyl alcohol and propylene glycol, slightly soluble in diethyl ether
Melting point: 149-153℃
Specific rotation: [a]25000- +5.5 ℃
Content: 99-102%
Identification: infrared spectrum is in accordance with contrast spectrum
Drying loss: 100-105 drying to constant weight, weight loss ≤0.5%
Ash content of sulfuric acid: ≤0.1%
Chloride: ≤100PPM
Packing: (middle 37x48cm) fiber drum lined with plastic bag, net weight 25kg.
Uses: Antimicrobial drug.