Description

Bismuth Subnitrate is a high-purity inorganic salt of bismuth, recognized for its unique chemical and physical properties. This compound is essential in applications requiring a reliable source of bismuth with specific reactivity and opacity characteristics. It serves as a critical raw material and intermediate for manufacturers in the pharmaceutical, cosmetic, and specialty chemical industries seeking consistent quality and performance.

Application

• Pharmaceutical Manufacturing: Used as an active ingredient or precursor in gastrointestinal medications and topical antiseptic preparations.
• Cosmetics & Personal Care: Employed as a pigment and opacifying agent in certain cosmetic formulations, such as nail polishes and pearlescent effects.
• Chemical Synthesis: Acts as a valuable starting material or catalyst in the synthesis of other bismuth compounds and specialty organometallics.
• Ceramics & Glass: Utilized to impart specific optical properties or colors in specialty glass and ceramic glazes.
• Laboratory & Research: Serves as a standard or reagent in analytical chemistry and materials science research.
• Pyrotechnics: Used in the formulation of certain pyrotechnic compositions to create specific visual effects.

Basic Information

Product Name	Bismuth Subnitrate
CAS No.	1304-85-4
Molecular Formula	Bi5O(OH)9(NO3)4 • xH2O (commonly represented as basic bismuth nitrate)
Molecular Weight	Approx. 1461.99 (Anhydrous basis)
Synonyms	Basic Bismuth Nitrate; Bismuth Oxynitrate; Bismuth(III) Nitrate Basic; Bismuth Nitrate Hydroxide; Bismuth White; Magistery of Bismuth; Bismutum Subnitricum; Bismuth Subnitricum
EINECS	215-136-8

Quality Control

Our Bismuth Subnitrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, heavy metal content, and physical properties. We provide full traceability and support our products with Certificates of Analysis (COA) upon request, confirming compliance with relevant standards such as USP/NF or customer-specific requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and reducing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White, crystalline powder
Identification (IR)	Conforms
Assay (as Bi2O3)	79.0% min
Nitrate (as NO3)	Contact for details
Chloride (Cl)	0.01% max
Sulfate (SO4)	0.01% max
Arsenic (As)	2 ppm max
Lead (Pb)	10 ppm max
Copper (Cu)	Contact for details
Loss on Drying	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.