Description

Bismuth Subcarbonate is a high-purity inorganic salt of bismuth, widely recognized for its stability and low toxicity. This compound is essential for formulators and manufacturers requiring a reliable source of bismuth for pharmaceutical and cosmetic applications. Key industries that depend on this material include pharmaceutical manufacturing, personal care, and specialty chemical synthesis.

Application

• Pharmaceutical Active Ingredient: A key component in antacid and gastroprotective medications, such as bismuth subsalicylate analogs.
• Cosmetics & Personal Care: Used as a pearlescent pigment and colorant in makeup products like lipsticks, eyeshadows, and nail polishes.
• Industrial Catalyst: Serves as a catalyst or catalyst precursor in specific organic synthesis reactions.
• Ceramic & Glass Production: Imparts unique optical properties and can be used in the formulation of specialty glasses and glazes.
• Laboratory Reagent: Employed as a starting material or standard in analytical and research chemistry.
• X-ray Contrast Medium: Historically used in certain radiographic procedures due to its radiopacity.

Basic Information

Product Name	Bismuth Subcarbonate
CAS No.	5892-10-4
Molecular Formula	(BiO)₂CO₃·½H₂O
Molecular Weight	518.98 g/mol (approx.)
Synonyms	Bismuth Carbonate, Basic; Bismuth Oxocarbonate; Bismuthyl Carbonate; Dibismuth Carbonate Oxide; Bismuth Subcarbonate ((BiO)2CO3); Bismuth(III) Carbonate Basic; EINECS 227-567-9
EINECS	227-567-9

Quality Control

Our Bismuth Subcarbonate is manufactured under strict quality management systems. It is tested to meet relevant industry standards for purity and heavy metal content. Certificates of Analysis (COA) detailing assay, impurity profiles, and physical specifications are available for every batch upon request.

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.

Specification

Item	Specification
Appearance	White or pale yellow powder
Identification (IR)	Conforms
Assay (as Bi₂O₃)	≥ 90.0 %
Chloride (Cl)	≤ 0.05 %
Nitrate (NO₃)	≤ 0.05 %
Sulfate (SO₄)	≤ 0.05 %
Arsenic (As)	≤ 5 ppm
Lead (Pb)	≤ 20 ppm
Loss on Drying	≤ 1.5 %

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