Bismuth subsalicylate
碱式水杨酸铋|明珠制药 传承健康 试制未来
分子式Molecular formula：C7H5Bi04
分子量Molecular weight：362.11
性状：本品为白色或类白色粉末，能溶于酸、碱被分解，但不溶于水、醇和醚。无臭无味，遇光易变质，遇沸水被分解。
用 途：主要是抗螺旋体病药的原料。
Description：This product is white or almost white powder，can dissolve in acid and alkali，but can not dissolve in water，alcohol and ether，no smell or taste，easily degenerate under light and decompose in the boiled water．
Usage：Used as anti—spirochaetosis material
质量标准Quality standard：USP
|
检测项目Test |
检测标准Specification |
|
干燥失重Loss on dry |
≤1．0％ |
|
硝酸盐 Nitrate |
≤0．4％ |
|
游离水杨酸 Free salicylic acid |
≤2．0％ |
|
铜(Cu) Copper |
≤10ppm |
|
银(Ag) Silver |
≤10ppm |
|
铅(Pb) Lead |
≤10ppm |
|
砷(As) Arsenic |
≤10ppm |
|
可溶性铋 Soluble bismuth |
≤40ppm |
|
含量(以Bi计) Content of Bismuth |
56.0％-59.4％ |
|
含量(以水杨酸计)Content of total salicylates |
36.5％-39.3％ |