生产规模:50吨/年
异名;鞣酸、单宁、五倍子单宁酸。
分子式及分子量:c76h52o46 1701.18
性状:本品为淡黄色至浅棕色粉末,有特殊气味,味极涩,溶于1份的水或乙醇,溶于丙酮,不溶液于氯仿或乙醚。
规格:符合英国药典1993年版,美国药典 1995 年版。
质量规格:
单宁酸含量: ≥ 86%
水不溶物: ≤ 0.2%
干燥失重; ≤ 9%
水溶液澄清度; 符合
树胶、糊精: 符合
灼烧残渣; ≤ 0.2%
没食子酸含量: ≤ 7%
主要用途:医药用鞣酸具有抗菌、除酶、收敛作用,用于抗菌素、治癣、解毒、止痢等药医制剂,还用于合成磺胺增效剂
贮藏;贮藏于密闭容器内。
包装:内塑外编织袋,每袋净重25公斤。
tannic acid for medical use
production capacity: 50 t/year
other name: tannin; chinese gall tannic acid.
mol. form and mol. wt.: c76h52o46 1701.18
description: from light yellow to light brown powder, with a peculiar smell and astringent taste; soluble in a portion of water and alcohol; soluble in acetonel; insoluble in chloroform and ether.
specification: strictly comply with the british pharmacopoeia (ver. 1993) and theu.s.pharmacopoeia(ver. 1995).
technical data:
purity % ≥ 86
insoluble in water % ≤ 0.2
loss on drying % ≤9
clearness of water up to standard
tree gum or dextrin up to standard
residue on ignition % ≤0.2
content of gallic acid %< 7
usage: for the preparations of antibiotics, de-tinea, detoxifcation and stoping dysentery and also for synthesizing sulphanilamide synergist.
storage: keep in airtight container.
packing: weave bag with plastic bag inside; n.w.25kg/bag.
张家界久瑞生物科技有限公司
13549633306
中国 湖南 张家界