polyethylene glycol 3350; potassium chloride; sodium bicarbonate; sodium chloride: Pharmaceutical manufacturers, suppliers, and distributors

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Applicant	Tradename	Generic Name	Dosage	NDA	NDA/ANDA	Supplier	Package Code	Package	Marketing Start
Azurity	NULYTELY	polyethylene glycol 3350; potassium chloride; sodium bicarbonate; sodium chloride	FOR SOLUTION;ORAL	019797	NDA AUTHORIZED GENERIC	Affordable Pharmaceuticals, LLC	10572-302-01	4 L in 1 BOTTLE (10572-302-01)	2013-02-08
Azurity	NULYTELY-FLAVORED	polyethylene glycol 3350; potassium chloride; sodium bicarbonate; sodium chloride	FOR SOLUTION;ORAL	019797	NDA AUTHORIZED GENERIC	Affordable Pharmaceuticals, LLC	10572-302-01	4 L in 1 BOTTLE (10572-302-01)	2013-02-08
Novel Labs Inc	PEG-3350, POTASSIUM CHLORIDE, SODIUM BICARBONATE, SODIUM CHLORIDE	polyethylene glycol 3350; potassium chloride; sodium bicarbonate; sodium chloride	FOR SOLUTION;ORAL	090019	ANDA	Lupin Pharmaceuticals,Inc.	43386-050-19	438.4 g in 1 BOTTLE (43386-050-19)	2009-05-28
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>NDA/ANDA	>Supplier	>Package Code	>Package	>Marketing Start

Last updated: February 19, 2026

The pharmaceutical industry relies on a consistent and high-quality supply chain for active pharmaceutical ingredients (APIs) and excipients. This analysis identifies key global suppliers for polyethylene glycol 3350 (PEG 3350), potassium chloride (KCl), sodium bicarbonate (NaHCO3), and sodium chloride (NaCl), all critical components in various drug formulations. Suppliers are assessed based on their regulatory compliance, production capacity, and geographical reach.

What are the primary applications of these excipients in pharmaceuticals?

These four excipients are foundational in pharmaceutical manufacturing, serving diverse roles across multiple dosage forms.

Polyethylene Glycol 3350 (PEG 3350): Primarily functions as a lubricant, solubilizer, and binding agent in tablet formulations. It also acts as a hydrophilic carrier in topical preparations and a laxative in oral formulations. Its water-soluble nature makes it suitable for parenteral drug delivery systems as a viscosity modifier and stabilizer.
Potassium Chloride (KCl): An essential electrolyte, KCl is used in intravenous (IV) solutions to correct hypokalemia. It is also incorporated into oral rehydration salts (ORS) to replenish lost potassium. In solid dosage forms, it can act as a potassium source or as a diluent.
Sodium Bicarbonate (NaHCO3): This alkaline salt is used as an antacid to neutralize stomach acid. In pharmaceutical formulations, it can act as a buffering agent, enhancing drug stability and solubility. It is also utilized in effervescent formulations and as an excipient in some oral contraceptives.
Sodium Chloride (NaCl): A ubiquitous electrolyte, NaCl is a primary component of isotonic solutions, such as saline for IV administration and ophthalmic preparations. It is used to maintain osmotic balance and as a diluent in various liquid and solid dosage forms. Its role extends to buffering systems and as a tablet binder.

Who are the leading global suppliers of pharmaceutical-grade PEG 3350?

The market for PEG 3350 is characterized by several large-scale manufacturers, with a significant portion of production concentrated in North America and Europe. These suppliers generally adhere to stringent pharmacopoeial standards, including USP/NF and EP.

Dow Inc. (USA): A dominant player, Dow produces a broad range of PEG grades under its Carbowax™ Sentry® portfolio. Their global manufacturing footprint and extensive regulatory support make them a primary supplier. Dow emphasizes consistent quality and supply chain reliability. Their facilities are regularly audited for compliance with cGMP.
BASF SE (Germany): BASF is another significant global supplier of PEG, offering various molecular weights, including PEG 3350, through its pharmaceutical solutions division. They maintain multiple production sites across different regions, ensuring supply chain redundancy. BASF focuses on high purity and compliance with international pharmaceutical standards.
Merck KGaA (Germany) / MilliporeSigma (USA): While known for specialty chemicals and life science products, Merck KGaA (operating as MilliporeSigma in the US and Canada) also supplies pharmaceutical-grade PEGs. Their focus is often on higher-purity grades suitable for sensitive applications. They provide extensive documentation and quality control data.
Clariant AG (Switzerland): Clariant offers PEG products for pharmaceutical applications, emphasizing product consistency and regulatory adherence. They operate dedicated pharmaceutical production lines to minimize cross-contamination risks. Their global presence facilitates serving diverse regional markets.

Table 1: Key PEG 3350 Suppliers and Key Attributes

Supplier	Primary Region of Operation	Key Product Lines/Brands	Regulatory Compliance Focus	Notes
Dow Inc.	Global	Carbowax™ Sentry®	USP/NF, EP, ICH Q7	Large-scale production, extensive technical support
BASF SE	Global	Pharmaceutical-grade PEGs	USP/NF, EP, JP	Multiple production sites, focus on purity
Merck KGaA/MilliporeSigma	Global	Pharmaceutical-grade PEGs	USP/NF, EP, ACS	High-purity grades, comprehensive analytical data
Clariant AG	Global	Pharmaceutical-grade PEGs	USP/NF, EP	Dedicated pharma production lines, emphasis on consistency

What are the leading global suppliers of pharmaceutical-grade potassium chloride?

Potassium chloride is a widely produced commodity chemical, but pharmaceutical-grade material requires specific purification and quality control. Suppliers must meet rigorous pharmacopoeial monographs.

Cargill, Inc. (USA): A diversified global producer, Cargill supplies high-purity KCl for pharmaceutical use. They operate dedicated facilities that ensure product quality and consistency, meeting USP/NF and EP standards. Cargill emphasizes supply chain security and product traceability.
Albemarle Corporation (USA): Albemarle is a significant producer of specialty chemicals, including pharmaceutical-grade KCl. They focus on cGMP-compliant manufacturing and provide comprehensive regulatory support for their products. Their global production capabilities offer supply chain resilience.
Compass Minerals International, Inc. (USA): Compass Minerals extracts and processes minerals, including high-purity KCl. They have invested in specialized purification processes to meet pharmaceutical requirements. Their focus is on natural sources and sustainable extraction.
SQM (Sociedad Química y Minera de Chile) (Chile): A major global producer of specialty plant nutrients and chemicals, SQM also supplies pharmaceutical-grade KCl derived from its South American salt flats. They adhere to international quality standards and have a strong logistical network.

Table 2: Key Potassium Chloride Suppliers and Key Attributes

Supplier	Primary Region of Operation	Key Product Lines/Brands	Regulatory Compliance Focus	Notes
Cargill, Inc.	Global	Pharmaceutical KCl	USP/NF, EP	Focus on purity, traceability, and supply chain integrity
Albemarle Corporation	Global	Pharmaceutical KCl	USP/NF, EP, JP	cGMP compliant, strong regulatory support
Compass Minerals International, Inc.	North America	Pharmaceutical KCl	USP/NF, EP	Utilizes natural mineral sources, specialized purification
SQM	South America (Chile)	Pharmaceutical KCl	USP/NF, EP	Large-scale production from salt flats, global distribution network

What are the leading global suppliers of pharmaceutical-grade sodium bicarbonate?

Sodium bicarbonate is another high-volume chemical, with pharmaceutical applications demanding stringent purity and particle size control. Suppliers often specialize in pharmaceutical-grade material.

Solvay S.A. (Belgium): Solvay is one of the world's largest producers of sodium carbonate and bicarbonate. Their Solvay® brand offers pharmaceutical-grade sodium bicarbonate produced under strict cGMP conditions. They have multiple production sites globally, ensuring supply reliability.
Tata Chemicals Ltd. (India): A major producer of soda ash and related chemicals, Tata Chemicals offers pharmaceutical-grade sodium bicarbonate. They focus on consistent quality and compliance with pharmacopoeial standards. Their extensive manufacturing capacity serves global markets.
Church & Dwight Co., Inc. (USA): Primarily known for consumer products, Church & Dwight is also a significant producer of sodium bicarbonate for industrial and pharmaceutical applications. Their Arm & Hammer® pharmaceutical-grade products meet stringent quality requirements.
FMC Corporation (USA): FMC offers sodium bicarbonate through its industrial solutions segment. They provide pharmaceutical-grade materials produced under cGMP, meeting USP/NF and EP specifications. Their focus is on product consistency and customer service.

Table 3: Key Sodium Bicarbonate Suppliers and Key Attributes

Supplier	Primary Region of Operation	Key Product Lines/Brands	Regulatory Compliance Focus	Notes
Solvay S.A.	Global	Solvay® BicarPharma	USP/NF, EP, JP	Large-scale production, multiple global sites, cGMP compliant
Tata Chemicals Ltd.	India	Pharmaceutical Bicarb	USP/NF, EP	High production capacity, emphasis on consistent quality
Church & Dwight Co., Inc.	USA	Arm & Hammer® Pharma	USP/NF, EP	Extensive experience, reliable supply for North American market
FMC Corporation	USA	Pharmaceutical Bicarb	USP/NF, EP	Focus on product consistency and specialized grades for pharma

What are the leading global suppliers of pharmaceutical-grade sodium chloride?

Sodium chloride, or common salt, is widely available. However, pharmaceutical-grade NaCl requires specific purification processes to remove impurities like heavy metals and other minerals, meeting pharmacopoeial monographs.

Cargill, Inc. (USA): Similar to its role in KCl supply, Cargill is a major supplier of high-purity, pharmaceutical-grade sodium chloride. They offer vacuum-evaporated and refined grades that meet USP/NF and EP requirements. Their focus on quality control and traceability is a key differentiator.
Morton Salt, Inc. (USA) (a division of K+S AG): Morton Salt is a well-established name in salt production. Their pharmaceutical-grade sodium chloride is produced under stringent quality controls, meeting USP/NF and EP specifications for use in sterile preparations and other pharmaceutical applications.
AkzoNobel N.V. (Netherlands): While AkzoNobel is broadly recognized for paints and coatings, its specialty chemicals division produces high-purity salts, including pharmaceutical-grade sodium chloride. They emphasize rigorous purification and adherence to regulatory standards.
K+S AG (Germany): K+S is a global producer of potash and salt. Their specialty salts division provides pharmaceutical-grade sodium chloride that undergoes extensive purification to meet the demanding specifications of the pharmaceutical industry.

Table 4: Key Sodium Chloride Suppliers and Key Attributes

Supplier	Primary Region of Operation	Key Product Lines/Brands	Regulatory Compliance Focus	Notes
Cargill, Inc.	Global	Pharma Grade NaCl	USP/NF, EP	Vacuum-evaporated, high purity, extensive quality control
Morton Salt, Inc.	USA	Pharma Grade NaCl	USP/NF, EP	Established supplier, focus on sterile applications
AkzoNobel N.V.	Global	Pharma Grade NaCl	USP/NF, EP	Specialty chemicals division, rigorous purification standards
K+S AG	Europe	Pharma Grade NaCl	USP/NF, EP	Major salt producer, emphasis on purity and pharmaceutical specifications

What are the critical quality and regulatory considerations for these excipients?

The pharmaceutical industry's demand for excipients is governed by stringent quality and regulatory frameworks to ensure patient safety and drug efficacy.

Pharmacopoeial Compliance: All excipients must conform to the specifications outlined in relevant pharmacopoeias, primarily the United States Pharmacopeia/National Formulary (USP/NF), European Pharmacopoeia (EP), and Japanese Pharmacopoeia (JP). These monographs define identity, purity, assay, and impurity limits.
Current Good Manufacturing Practices (cGMP): Suppliers must operate under cGMP guidelines as mandated by regulatory bodies like the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA). This ensures consistent production, quality control, and traceability. Audits by regulatory agencies and pharmaceutical clients are standard.
Impurity Profiling: Manufacturers must rigorously control and characterize potential impurities, including heavy metals, residual solvents, and process-related byproducts. The elemental impurity limits (ICH Q3D) are particularly critical.
Supply Chain Security and Traceability: Pharmaceutical companies require robust supply chain management to prevent counterfeiting and ensure product integrity from manufacturing to formulation. Lot traceability and documentation are paramount.
Documentation and Regulatory Support: Suppliers must provide comprehensive documentation, including Certificates of Analysis (CoA), Material Safety Data Sheets (MSDS), Drug Master Files (DMFs), and TSE/BSE statements, to support regulatory submissions by drug manufacturers.
Particle Size and Morphology: For solid dosage forms, particle size distribution and morphology can significantly impact dissolution rates, flowability, and compressibility. Suppliers often offer materials with specific particle size specifications.
Water Content and Other Physical Properties: For excipients like PEG 3350, water content is a critical parameter affecting its performance as a binder or solubilizer. Other physical properties such as pH, solubility, and hygroscopicity are also monitored.

How do regulatory changes impact the supply of these pharmaceutical excipients?

Evolving regulatory landscapes present ongoing challenges and opportunities for excipient suppliers and pharmaceutical manufacturers.

Increased Scrutiny on Impurities: Regulatory bodies are increasingly focused on elemental impurities (ICH Q3D) and nitrosamine impurities. This necessitates enhanced analytical capabilities and process control from suppliers to detect and quantify trace levels of contaminants. Suppliers must demonstrate robust risk assessments and control strategies.
Supply Chain Transparency and Resilience: Events like the COVID-19 pandemic highlighted vulnerabilities in global supply chains. Regulators and pharmaceutical companies are emphasizing supply chain diversification, geographical redundancy, and increased transparency. Suppliers with multiple manufacturing sites and robust business continuity plans are favored.
Data Integrity and Digitalization: Regulatory expectations for data integrity are high. Suppliers are expected to implement robust electronic record-keeping systems and ensure the reliability and security of all quality-related data. Digitalization of supply chain information is becoming increasingly important.
Environmental, Social, and Governance (ESG) Standards: Pharmaceutical companies are increasingly incorporating ESG criteria into their supplier selection processes. This can include requirements related to sustainable sourcing, carbon footprint reduction, and ethical labor practices. Suppliers demonstrating strong ESG performance may gain a competitive advantage.
Harmonization of Standards: Efforts to harmonize international regulatory standards, such as through the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH), aim to streamline compliance. However, regional variations in interpretation and enforcement persist, requiring suppliers to manage diverse compliance obligations.

What are the future trends impacting excipient supply?

Several trends are shaping the future of pharmaceutical excipient supply.

Shift Towards Specialty and High-Purity Materials: As drug formulations become more complex and sensitive, there is a growing demand for excipients with highly controlled properties, such as specific particle sizes, surface chemistries, or ultra-low impurity levels.
Growth in Biologics Excipients: The expanding biopharmaceutical market is driving demand for specialized excipients used in protein-based drugs, vaccines, and cell/gene therapies. While the four excipients discussed are traditional small-molecule excipients, their use in complex formulations for biologics may evolve.
Increased Outsourcing and Strategic Partnerships: Pharmaceutical companies are increasingly relying on specialized excipient manufacturers for their expertise in quality control, regulatory compliance, and advanced manufacturing. This can lead to closer partnerships and customized solutions.
Technological Advancements in Manufacturing: Innovations in process analytical technology (PAT), continuous manufacturing, and advanced purification techniques are enabling suppliers to produce excipients with greater consistency and efficiency, while also improving impurity control.
Focus on Sustainable Sourcing and Manufacturing: Driven by regulatory pressures and corporate social responsibility, suppliers are investing in more sustainable production methods, including renewable energy, waste reduction, and eco-friendly raw material sourcing.

Key Takeaways

Global suppliers like Dow, BASF, Cargill, Solvay, and Morton Salt are prominent providers of pharmaceutical-grade PEG 3350, KCl, NaHCO3, and NaCl, respectively, meeting stringent pharmacopoeial and cGMP requirements.
Quality control, impurity profiling, and regulatory documentation are paramount for all excipient suppliers, influencing pharmaceutical manufacturers' selection processes.
Evolving regulations concerning impurities (e.g., elemental, nitrosamines) and increased demand for supply chain transparency are key drivers in the excipient market.
Future trends indicate a growing demand for specialty, high-purity excipients, increased focus on sustainability, and adoption of advanced manufacturing technologies by suppliers.

FAQs

1. How can a pharmaceutical company verify the cGMP compliance of a potential excipient supplier?

Verification typically involves reviewing supplier audit reports from regulatory agencies (e.g., FDA, EMA), conducting independent supplier audits, requesting detailed quality agreements, and examining the supplier's quality management system documentation, including SOPs, batch records, and change control procedures.

2. What is the typical lead time for procuring large quantities of these pharmaceutical excipients?

Lead times can vary significantly based on supplier inventory, production schedules, and current market demand. Generally, lead times for commodity excipients like KCl and NaCl can range from 4 to 12 weeks, while more specialized grades or products with complex manufacturing processes, such as certain PEG 3350 grades, may require 12 to 24 weeks or longer. Establishing strong supplier relationships and forecasting demand can help mitigate long lead times.

3. How do different pharmacopoeial standards (USP/NF, EP, JP) affect supplier selection?

Suppliers must be capable of meeting the specific monograph requirements of the pharmacopoeias relevant to the target markets for the finished drug product. Companies often prioritize suppliers who can provide material meeting multiple pharmacopoeial standards to simplify global product registration and reduce regulatory burden.

4. Are there specific suppliers specializing in sterile-grade versions of these excipients?

Yes, several suppliers offer sterile-grade versions of these excipients, often through aseptic processing or terminal sterilization methods. These are critical for parenteral and ophthalmic formulations. Companies like Cargill, Morton Salt, and manufacturers of PEG often have specific product lines or capabilities for sterile excipients, accompanied by rigorous validation data.

5. What are the implications of raw material sourcing for the quality and cost of these excipients?

The origin and quality of raw materials directly influence the final excipient's purity and price. For example, the quality of brine used for NaCl and KCl production, or the ethoxylation process for PEG, can introduce specific impurities. Suppliers with vertically integrated operations or stringent raw material qualification programs are better positioned to control quality and cost variability.

Citations

[1] Dow Inc. (n.d.). Carbowax™ Polyethylene Glycols. Retrieved from https://www.dow.com/ [2] BASF SE. (n.d.). Pharmaceutical Excipients. Retrieved from https://www.basf.com/ [3] Merck KGaA. (n.d.). MilliporeSigma Pharmaceutical Products. Retrieved from https://www.emdmillipore.com/ [4] Clariant AG. (n.d.). Pharmaceutical Excipients. Retrieved from https://www.clariant.com/ [5] Cargill, Inc. (n.d.). Pharmaceutical Ingredients. Retrieved from https://www.cargill.com/ [6] Albemarle Corporation. (n.d.). Specialty Chemicals for Life Sciences. Retrieved from https://www.albemarle.com/ [7] Compass Minerals International, Inc. (n.d.). Specialty Minerals. Retrieved from https://www.compassminerals.com/ [8] SQM. (n.d.). Specialty Plant Nutrition. Retrieved from https://www.sqm.com/ [9] Solvay S.A. (n.d.). Bicar® Pharma Sodium Bicarbonate. Retrieved from https://www.solvay.com/ [10] Tata Chemicals Ltd. (n.d.). Soda Ash and Derivatives. Retrieved from https://www.tatachemicals.com/ [11] Church & Dwight Co., Inc. (n.d.). Arm & Hammer™ Pharmaceutical Bicarbonate. Retrieved from https://www.churchdwight.com/ [12] FMC Corporation. (n.d.). Sodium Bicarbonate Solutions. Retrieved from https://www.fmc.com/ [13] Morton Salt, Inc. (n.d.). Pharmaceutical Grade Salt. Retrieved from https://www.mortonsalt.com/ [14] AkzoNobel N.V. (n.d.). Specialty Chemicals. Retrieved from https://www.akzonobel.com/ [15] K+S AG. (n.d.). Specialty Salts. Retrieved from https://www.kpluss.com/ [16] U.S. Food and Drug Administration. (n.d.). Guidance for Industry: ANDA’s: Ammonium Chloride. Retrieved from https://www.fda.gov/ [17] European Medicines Agency. (n.d.). Excipients. Retrieved from https://www.ema.europa.eu/ [18] International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. (n.d.). ICH Guidelines. Retrieved from https://www.ich.org/

Suppliers and packagers for generic pharmaceutical drug: polyethylene glycol 3350; potassium chloride; sodium bicarbonate; sodium chloride