Description

Bismuth Subnitrate Monohydrate is a high-purity inorganic salt of bismuth, valued for its astringent and protective properties. This compound is essential for formulators requiring a reliable and consistent source of bismuth for specialized applications. It serves as a critical raw material in the pharmaceutical, cosmetic, and specialty chemical industries, where its quality directly impacts product performance and safety.

Application

• Pharmaceutical Intermediates: Used in the synthesis of bismuth-containing active pharmaceutical ingredients (APIs) for gastrointestinal treatments.
• Cosmetic & Personal Care: Acts as a pearlescent agent and opacifier in high-end makeup products like nail polishes and lipsticks.
• Topical Preparations: Serves as an active ingredient in antiseptic and protective ointments and powders for skin conditions.
• Catalyst & Reagent: Employed as a precursor or catalyst in specific organic synthesis and laboratory research applications.
• Ceramic & Glass Manufacturing: Used to impart specific optical properties or as a component in specialty glazes and enamels.
• Analytical Chemistry: Functions as a reagent in analytical procedures and quality control testing.

Basic Information

Product Name	Bismuth Subnitrate Monohydrate
CAS No.	13595-83-0
Molecular Formula	Bi5O(OH)9(NO3)4•H2O or 4BiNO3(OH)2•BiO(OH)
Molecular Weight	1461.99 g/mol (approx.)
Synonyms	Bismuth Oxynitrate Monohydrate; Bismuth(III) Nitrate Basic Monohydrate; Bismuth Nitrate Hydrate (Basic); Bismuth Subnitrate; Bismuth White; Magistery of Bismuth; Spanish White; Pearl White; Blanc de Bismuth; Bismutum Subnitricum
EINECS	Contact for details

Quality Control

Our Bismuth Subnitrate Monohydrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and cosmetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, heavy metal limits, and other critical parameters is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (as Bi2O3)	≥ 79.0 %
Chloride (Cl)	≤ 0.05 %
Sulfate (SO4)	≤ 0.05 %
Arsenic (As)	≤ 5 ppm
Lead (Pb)	≤ 20 ppm
Copper (Cu)	≤ 10 ppm
Loss on Drying	≤ 3.0 %

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