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- 几乎无气味。味甜。易溶于水、醇或氢氧化钠溶液中,1g溶于3ml水、0.7ml沸水、24ml乙醇、5ml60℃的乙醇,不溶于乙醚和氯仿。比重1.412(16℃)。半数致死量(大鼠,经口)14000mg/kg。有刺激性。
密度:1.41
熔点:123-125 °C
沸点:285-290 °C
质量标准
品级Grade 化学纯
(CP)
外观Appearance类白色至浅棕色粉末
红外光谱鉴别Infrared spectrometry 和对照匹配
纯度Purity≥98.0% (中和滴定)
熔点Melting point 121°C - 127°C
项目 电子级
外观Appearance 白色或类白色
含量assay,%≥ 99.0
水份water,%≤ 0.5
炽灼残渣Residue after ignition%≤0.1
熔点mp 125-127°C
游离酸free acid% ≤ 0.02
重金属Heavy metals(以Pb计) ≤ 10 ppm
氯化物Chloride,% ≤ 0.007
0.8μm微孔滤膜过滤 滤膜呈微黄色
贮存:密封干燥保存。
用途:用于检定氟、有机合成、制备植物生长激素及稳定剂等。
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