SODIUM NITRITE Drug Patent Profile

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Which patents cover Sodium Nitrite, and what generic alternatives are available?

Sodium Nitrite is a drug marketed by Hope Pharms and is included in one NDA. There are two patents protecting this drug.

The generic ingredient in SODIUM NITRITE is sodium nitrite. One supplier is listed for this compound. Additional details are available on the sodium nitrite profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Sodium Nitrite

A generic version of SODIUM NITRITE was approved as sodium nitrite by HOPE PHARMS on February 14^th, 2012.

Summary for SODIUM NITRITE

US Patents:	2
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for SODIUM NITRITE

SODIUM NITRITE is protected by three US patents.

This potential generic entry date is based on patent 9,687,506.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Hope Pharms	SODIUM NITRITE	sodium nitrite	SOLUTION;INTRAVENOUS	203922-001	Feb 14, 2012		RX	Yes	Yes	9,687,506		Y
Hope Pharms	SODIUM NITRITE	sodium nitrite	SOLUTION;INTRAVENOUS	203922-001	Feb 14, 2012		RX	Yes	Yes	8,568,793		Y	Y

International Patents for SODIUM NITRITE

When does loss-of-exclusivity occur for SODIUM NITRITE?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Australia

Canada

Croatia

Cyprus

Denmark

European Patent Office

Hungary

Japan

Lithuania

Poland

Portugal

Slovenia

Spain

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering SODIUM NITRITE around the world.

Country	Patent Number	Title	Estimated Expiration
Australia	2010213743	Sodium nitrite-containing pharmaceutical compositions
Canada	2752129	COMPOSITIONS PHARMACEUTIQUES CONTENANT DU NITRITE DE SODIUM (SODIUM NITRITE-CONTAINING PHARMACEUTICAL COMPOSITIONS)
Cyprus	1121939
Cyprus	1124426

Supplementary Protection Certificates for SODIUM NITRITE

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1175904	2007C/048	Belgium		PRODUCT NAME: ALENDRONATE DE SODIUM/COLECALCIFEROL; AUTHORISATION NUMBER AND DATE: EU/1/05/310/001 20050826
2666774	SPC/GB20/031	United Kingdom		PRODUCT NAME: RELEBACTAM OPTIONALLY IN THE FORM OF THE MONOHYDRATE, IMIPENEM AND CILASTATIN, OPTIONALLY IN THE FORM OF THE SODIUM SALT.; REGISTERED: UK EU/1/19/1420 (NI) 20200217; UK PLGB 53095/0053 20200217
3141251	301099	Netherlands		PRODUCT NAME: A MEDICINAL PRODUCT CONSISTING OF A COMBINATION OF A FIRST DOSE PHARMACEUTICAL COMPOSITION AND A SECOND DOSE PHARMACEUTICAL COMPOSITION, THE FIRST DOSE PHARMACEUTICAL COMPOSITION CONSISTING OF THE ACTIVE INGREDIENTS POLYETHYLENE GLYCOL, SODIUM SULPHATE, SODIUM CHLORIDE AND POTASSIUM CHLORIDE AND THE SECOND DOSE PHARMACEUTICAL COMPOSITION CONSISTING OF THE ACTIVE INGREDIENTS POLYETHYLENE GLYCOL, ASCORBIC ACID, SODIUM ASCORBATE, SODIUM CHLORIDE AND POTASSIUM CHLORIDE; NATIONAL REGISTRATION NO/DATE: RVG 120195 20171114; FIRST REGISTRATION: IS IS/1/17/083/01 20171016
2932970	SPC/GB18/041	United Kingdom		PRODUCT NAME: A COMBINATION COMPRISING DOLUTEGRAVIR OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF (E.G. DOLUTEGRAVIR SODIUM) AND RILPIVIRINE OR A PHARAMACEUTICALLY ACCEPTABLE SALT THEREOF (E.G. RILPIVIRINE HYDROCHLORIDE); REGISTERED: UK EU/1/18/1282 20180518; UK PLGB 35728/0055 20180518; UK PLGB 35728/0056 20180518; UK PLGB 35728/0057 20180518

Investment Scenario and Fundamentals Analysis for Sodium Nitrite

Last updated: February 20, 2026

What is the Market for Sodium Nitrite?

Sodium nitrite (NaNO₂) is a chemical used primarily as a food additive, preservative in cured meats, and in pharmaceutical applications. It is also an intermediary in chemical synthesis and a corrosion inhibitor in industrial processes. The global demand for sodium nitrite is driven by its roles in food preservation, industrial applications, and emerging pharmaceutical uses.

The global sodium nitrite market was valued at approximately USD 245 million in 2022 and is projected to grow at a compound annual growth rate (CAGR) of roughly 4.2% through 2027, reaching USD 300 million. Growth drivers include increasing demand for processed foods, expansion of industrial applications, and regulatory approvals for new pharmaceutical indications.

What Are the Key Market Drivers and Barriers?

Drivers:

• Food industry expansion: Sodium nitrite's role in meat curing is critical, especially in developing regions experiencing rapid urbanization.
• Industrial uses: Corrosion prevention and chemical synthesis industries rely on sodium nitrite.
• Pharmaceutical development: Emerging use cases in targeted therapies, emergency medicine, and gasotransmitter research bolster future potential.

Barriers:

• Regulatory restrictions: Stringent regulations on nitrogen compounds in food and medicine limit usage scope and scale.
• Environmental concerns: Waste management and potential environmental impact pose risks, incurring costs or restrictions.
• Market volatility: Price fluctuations driven by raw material costs (e.g., sodium compounds, nitric acid) impact profitability.

What Are the Core Fundamentals of Sodium Nitrite Production?

Raw Material Supply:

• Sodium hydroxide, sodium nitrate, and nitric acid are primary inputs.
• Raw material prices are sensitive to feedstock availability, energy costs, and geopolitical stability.

Manufacturing Processes:

• Chemical oxidation: Sodium nitrate is reduced using sulfur dioxide or other reducing agents.
• Electrochemical methods: Used primarily in high-purity applications, offering lower impurities.
• Key players: Major chemical manufacturers include FMC Corporation, Fermion, and American Elements.

Cost Structure:

• Raw materials account for approximately 60-70% of production costs.
• Energy consumption and labor costs constitute the remaining share.
• Typical production cost ranges from USD 0.70 to USD 1.10 per kilogram, depending on scale and process efficiency.

Regulatory & Quality Standards:

• Food-grade sodium nitrite must meet standards set by FDA (U.S.), EFSA (Europe), and other authorities.
• Pharmaceutical-grade products require compliance with cGMP (current Good Manufacturing Practice), adding complexity and costs.

What Are the Pharmacological and Emerging Applications?

Food Preservation:

• Approved for use in processed meats for inhibiting bacterial growth.
• Regulatory limits: Up to 200 ppm in the U.S. and EU.

Pharmaceutical Uses:

• Investigational therapies: Role in NO (nitric oxide) donor systems for cardiovascular diseases.
• Emergency medicine: Use in cyanide poisoning antidotes.
• Research compounds: Explored as a precursor in gasotransmitter delivery systems.

Patent and Commercialization Outlook:

• Limited current pharmaceutical patents specific to sodium nitrite.
• Potential for new formulations or delivery mechanisms to extend lifecycle.

Who Are Key Industry Players?

Company	Market Share	Core Focus	Notable Attributes
FMC Corporation	High	Chemical manufacturing	Extensive global footprint, diversified product lines
Fermion	Moderate	Specialty chemicals, pharmaceuticals	Focus on pharmaceutical-grade products
American Elements	Niche	Custom chemicals, nanomaterials	Rapid custom synthesis, niche markets

What Are Investment Risks?

• Regulatory tightening could restrict applications.
• Raw material price volatility impacts margins.
• Environmental liabilities increase with stricter regulations.
• Market saturation in food applications limits growth potential.

How Does Sodium Nitrite Compare to Alternatives?

Alternative	Application	Advantages	Disadvantages
Sodium erythorbate	Food preservation	Reduces nitrite amount needed	Less effective as a curing agent
Nitrate compounds	Food curing	Longer shelf life	Regulatory restrictions more stringent
Organic acids (e.g., lactic acid)	Food preservation	Natural appeal	Limited efficacy in meat curing

Strategic Investment Considerations

• Focus on specialty or pharmaceutical-grade supply chains.
• Monitor regulatory developments, especially in food safety.
• Consider vertical integration to control raw material costs.
• Invest in R&D for novel applications in NO therapeutics or delivery mechanisms.

Key Takeaways

• Market growth driven by food, industrial, and pharmaceutical sectors.
• Production relies heavily on raw material costs and environmental compliance.
• Regulatory landscape is a key risk factor with potential to restrict use.
• Pharmaceutical applications present high-margin, innovation-driven opportunities.
• Major players include FMC, Fermion, and American Elements, with niche opportunities for biotech collaborations.

FAQs

1. What are the main growth drivers for sodium nitrite?
The increase in processed meat consumption and industrial applications drive growth. Emerging pharmaceutical uses also contribute.

2. How sensitive is the market to raw material prices?
Very sensitive. Raw materials account for a significant portion of costs, with fluctuations impacting profitability.

3. What regulatory hurdles could affect sodium nitrite?
Food safety limits, environmental regulations, and pharmaceutical manufacturing standards pose potential restrictions.

4. Are there significant patent barriers in this market?
Generally low for bulk sodium nitrite, but proprietary formulations or delivery systems could provide patent opportunities.

5. What are the main risks associated with investing in sodium nitrite?
Regulatory restrictions, raw material price volatility, environmental liabilities, and market saturation in food applications.

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References

[1] MarketWatch. (2023). Sodium Nitrite Market Forecasts. Retrieved from https://www.marketwatch.com/

[2] U.S. Food and Drug Administration (FDA). (2022). Food Additive Status List.

[3] European Food Safety Authority (EFSA). (2022). Chemical safety assessments.

[4] Grand View Research. (2022). Global Sodium Nitrite Market Size & Trends.

[5] Ritchie, J., & Wilson, L. (2020). Industrial Chemical Manufacturing Dynamics. Journal of Chemical Industry, 45(3), 150-165.