Bismuth subsalicylate
Bismuth subsalicylate
分子式Molecular formula：C7H5Bi04
分子量Molecular weight：362.11
性狀：本品為白色或類白色粉末，能溶于酸、堿被分解，但不溶于水、醇和醚。無臭無味，遇光易變質(zhì)，遇沸水被分解。
用 途：主要是抗螺旋體病藥的原料。
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
質(zhì)量標(biāo)準(zhǔn)Quality standard：USP
檢測項(xiàng)目Test | 檢測標(biāo)準(zhǔn)Specification |
干燥失重Loss on dry | ≤1．0％ |
硝酸鹽 Nitrate | ≤0．4％ |
游離水楊酸 Free salicylic acid | ≤2．0％ |
銅(Cu) Copper | ≤10ppm |
銀(Ag) Silver | ≤10ppm |
鉛(Pb) Lead | ≤10ppm |
砷(As) Arsenic | ≤10ppm |
可溶性鉍 Soluble bismuth | ≤40ppm |
含量(以Bi計) Content of Bismuth | 56.0％-59.4％ |
含量(以水楊酸計)Content of total salicylates | 36.5％-39.3％ |