Product name ： Bismuth Subcarbonate
Product Category：Health care products and pharmaceutical intermediates/Bismuthates;
CAS No.： 5892-10-4
Formula:

2(BiO)₂CO₃·H₂O

MW:509.97
Characters:white or yellowish powder; will gradually turn brown when exposed to light; soluble in nitric acid, hcl and and concentrated ethanol, insoluble in water and alcohols.
Specifications:

Bismuth Subcarbonate	A.R.	C.P.	USP31
Spec.	Spec.	Spec.	Spec.
Assay(as (Bi2O3)%	≥90	≥90	——
Assay(as (BiO)2CO3)%	——	——	97.6~100.7
Chlorides(Cl) %	≤0.01	≤0.02	≤0.05
Sulphates(SO4)%	≤0.01	≤0.02	——
Nitrates(NO3)	PASS	PASS	≤0.4
Drying loss %	——	——	≤1.0
Cu%	≤0.005	≤0.01	≤0.005
Ag	≤0.002	≤0.005	≤0.0025
Pb%	≤0.015	≤0.02	≤0.00075
As%	≤0.0006	≤0.001	≤0.0005
Fe%	≤0 .005	≤0.01	——
Alkali metals & alkaline-earth metals(asSO4)%	——	——	≤0.5
Insol. in nitric acid	≤0.005	≤0.01	——
Clarity test	Pass	Pass	——
Non-sludge in Hydrogen sulfide %	≤0.3	≤0.5	——

Product Usage: It is used in the manufacture of bismuth compounds, face powder; protective to mucous membrane; sued for ulcerative diseases and laxness etc.
Packaging:25kg cardboard drum, lined with double-layer plastic bag
Storage Precautions:Protect against fire, sunlight, damange or pollution
MSDS: Download