化合物简介
Meglumine is an amino sugar derived from glucose. It is often used as an excipient in pharmaceuticals and in conjunction with iodinated compounds in contrast media such as diatrizoate meglumine, iothalamate meglumine and iodipamide meglumine.
基本信息
- 中文名称:
- N-甲基-D-葡胺
- 中文别名:
- N-甲基-D-葡萄糖胺;
葡甲胺;
N-甲基-D-葡糖胺;
- 英文名称:
- N-methylglucamine
- 英文别名:
- N-Methyl-D-glucamine;
1-Deoxy-1-methylaminosorbitol;
D-Glucitol, 1-deoxy-1-(methylamino)-;
- CAS号:
- 6284-40-8
- 分子式:
- C7H17NO5
- 分子量:
- 195.21400
- 精确质量:
- 195.11100
- PSA:
- 113.18000
物化性质
- 外观与性状:
- 白色粉末
- 密度:
- 1.375
- 熔点:
- 128-132ºC
- 沸点:
- 490.4ºCºC at 760 mmHg
- 稳定性:
- Stable under normal temperatures and pressures.
- 储存条件:
- Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from water.
安全信息
- 海关编码:2922199090
- 危险类别码:R36/37/38
- 安全说明:S24/25
生产方法及用途
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生产方法
下通入干燥的一甲胺气体,反应1.5-2h后,溶液逐渐澄清,继续在50℃保持2h,得葡萄糖缩甲胺溶液。再将其加入高压釜中,在雷氏镍存在下,通氢加压至2.5MPa,在80-85℃搅拌1-2h。然后经冷却泄压后出料,将上层葡甲胺乙醇溶液冷却结晶,过滤,得葡甲胺粗品,再经精制而得成品。
用途
本品在药剂中用作助溶剂,其能与一些药物生成盐而增加药物的溶解性,也可作为造影剂的助溶剂及表面活性剂。