[性 状] 白色结晶性粉末,有苦味
[酸 值] 6.0-6.8
[熔 点] 134-137℃
[溶 解 性] 几乎不溶于水，微溶于95%乙醇和醚，易溶于氯仿
[溶液的澄清度与颜色] 5ml 0.1% 1N NaOH溶液应澄清无色
[有关杂质] **≤0.4%，任一单个未知杂质≤0.2%，总杂质≤0.8%
[残留有机溶剂] 乙醇≤5000ppm,甲苯≤890ppm,二氧六环≤380ppm,吡啶≤200ppm
[氯 化 物] ≤0.005%
[硫 酸 盐] ≤0.025%
[硫酸灰份] ≤0.1%
[重 金 属] ≤0.001%
[含 量] ≥99.0%
[干燥失重] ≤0.5%
[包 装] 25kg/纸桶
