Bismuth Subnitrate is a white, crystalline inorganic compound with the chemical formula Bi5O(OH)9(NO3)4. Also known as bismuth oxynitrate or bismuthyl nitrate, this compound has been used for centuries in medicinal applications and continues to be valuable in pharmaceuticals, cosmetics, and industrial chemistry today.

What is Bismuth Subnitrate?

Bismuth Subnitrate is a highly water-soluble crystalline compound belonging to the bismuth salts family. It is characterized by its white appearance and unique chemical properties that make it useful across various applications. This compound has been employed in medicine since the early 20th century, particularly for gastrointestinal conditions.

The compound works through multiple mechanisms when administered, including forming protective coatings on the gastrointestinal mucosa, exerting antibacterial effects, and providing antacid properties to neutralize stomach acid.

What Are the Benefits?

Bismuth Subnitrate offers several therapeutic benefits that have made it a valuable compound in pharmaceutical applications:

Gastrointestinal Protection

One of the primary benefits of Bismuth Subnitrate is its ability to protect the gastrointestinal lining. The compound forms a physical barrier that shields the stomach and intestinal walls from acid and irritants, promoting healing of ulcers and reducing discomfort.

Antibacterial Properties

Bismuth Subnitrate exhibits bacteriostatic properties against several gastrointestinal pathogens, including:

• Helicobacter pylori (H. pylori)
• Vibrio cholerae
• Campylobacter jejuni
• Yersinia enterocolitica

These antibacterial effects are particularly valuable in treating bacterial infections of the digestive system and preventing ulcer recurrence.

Anti-inflammatory Effects

The compound demonstrates anti-inflammatory properties that help reduce irritation and inflammation in the gastrointestinal tract, making it effective for conditions involving mucosal inflammation.

Ulcer Healing

Bismuth Subnitrate has been historically used as a treatment for duodenal ulcers. Its cytoprotective effects help promote ulcer healing by protecting the ulcerated tissue and creating an environment conducive to regeneration.

Antidiarrheal Action

As an antidiarrheal agent, Bismuth Subnitrate helps reduce intestinal motility and provides a protective coating that can decrease the frequency of bowel movements.

What Are the Uses?

Pharmaceutical Applications

In the pharmaceutical industry, Bismuth Subnitrate is used in:

• Antacid preparations for relieving heartburn, indigestion, and upset stomach
• Anti-ulcer medications for duodenal and gastric ulcers
• Antidiarrheal formulations
• Combination therapies for H. pylori eradication
• Gastroprotective supplements

Cosmetic Applications

Bismuth Subnitrate finds applications in cosmetics and personal care products due to its soothing and protective properties:

• Skin care formulations for sensitive skin
• Products targeting irritation and inflammation
• Protective skincare preparations
• Dermatological treatments

Промышленное применение

In industrial settings, Bismuth Subnitrate is utilized for:

• Production of various bismuth-based chemical compounds
• Catalyst manufacturing
• Material science applications
• Specialty chemical synthesis

Safety and Side Effects

Bismuth Subnitrate is generally considered safe when used as directed. The compound has minimal gastrointestinal absorption, which contributes to its favorable safety profile. However, some individuals may experience:

• Headache
• Loss of appetite
• Blue-gray skin discoloration (with prolonged use)
• Nausea (rare)
• Constipation (rare)

Important safety considerations:

• Should be used according to recommended dosages
• Not recommended for prolonged use without medical supervision
• Consult a healthcare provider before use during pregnancy or lactation
• May interact with certain medications; consult a pharmacist

Chemical Specifications

Property	Значение
Номер CAS	1304-85-4
Chemical Formula	Bi5O(OH)9(NO3)4 / Bi5H9N4O22
Молекулярная масса	Not applicable (variable composition)
Внешний вид	Белый кристаллический порошок
Растворимость	Highly water-soluble
Категория	API (Active Pharmaceutical Ingredient)

Frequently Asked Questions

Is Bismuth Subnitrate safe for daily use?

Bismuth Subnitrate is generally safe for short-term use as directed. Long-term use should be monitored by a healthcare professional to avoid potential side effects.

Can Bismuth Subnitrate be used for H. pylori infection?

Yes, bismuth compounds including Bismuth Subnitrate have been used in combination therapies for H. pylori eradication. They work synergistically with antibiotics to improve treatment outcomes.

What is the difference between Bismuth Subnitrate and other bismuth salts?

Different bismuth salts have varying solubility and absorption characteristics. Bismuth Subnitrate is highly water-soluble compared to some other bismuth compounds, which affects its bioavailability and therapeutic properties.

Does Bismuth Subnitrate interact with other medications?

Bismuth Subnitrate may interact with certain medications. It’s important to consult a healthcare provider or pharmacist before combining it with other treatments.

Why Choose Our Bismuth Subnitrate?

We supply high-quality Bismuth Subnitrate (CAS 1304-85-4) that meets pharmaceutical and industrial standards. Our product is characterized by:

• High purity and consistent quality
• Competitive pricing for bulk orders
• Reliable supply chain
• Technical support and documentation
• Flexible packaging options

Contact us today to request a quote for your Bismuth Subnitrate requirements.

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