Polysorbate 80 (PS 80): The Pharmaceutical Excipient Supplier India Trusts for Surfactant Applications

23-07-2026

Polysorbate 80 (PS 80) is a non-ionic surfactant and emulsifier widely used in pharmaceutical, injectable, and topical formulations to solubilize poorly water-soluble active ingredients, stabilize emulsions, and improve drug bioavailability. If you're searching for a reliable polysorbate 80 pharmaceutical excipient supplier in India, this guide covers everything from its chemistry to sourcing considerations.

What Is Polysorbate 80?

Polysorbate 80, also known as Tween 80 or polyoxyethylene (20) sorbitan monooleate, is derived from polyethoxylated sorbitan and oleic acid. It's a viscous, oily, yellow liquid that dissolves easily in water, making it an ideal surfactant for pharmaceutical and food-grade applications. Its amphiphilic structure — part hydrophilic, part lipophilic — allows it to reduce surface tension between two immiscible liquids, which is exactly why it's prized in emulsion-based drug delivery systems.

Pharmacopoeial monographs including USP-NF, Ph. Eur., and IP recognize Polysorbate 80 as a standard pharmaceutical-grade excipient, and manufacturers must comply with strict purity, peroxide value, and residual solvent limits for it to be used in parenteral (injectable) products.

Why Polysorbate 80 Matters in Pharmaceutical Formulations

1. Solubilization of Poorly Soluble Drugs

Many active pharmaceutical ingredients (APIs), especially those in the BCS Class II and IV categories, have low aqueous solubility. PS 80 forms micelles that encapsulate these hydrophobic molecules, effectively increasing their apparent solubility in aqueous vehicles. This is critical for oral suspensions, oral solutions, and IV formulations.

2. Emulsification and Stabilization

In lipid-based injectables, parenteral nutrition emulsions, and topical creams, Polysorbate 80 stabilizes oil-in-water emulsions by lowering interfacial tension, preventing droplet coalescence, and extending shelf life.

3. Vaccine and Biologic Formulations

Polysorbate 80 is a common stabilizer in vaccines and monoclonal antibody formulations, protecting proteins from aggregation and denaturation during manufacturing, freeze-thaw cycles, and storage.

4. Enhancing Bioavailability

By improving wetting and dispersion of APIs, PS 80 can enhance dissolution rate — an important factor for achieving desired pharmacokinetic profiles, particularly in oral solid dosage forms.

5. Ophthalmic and Topical Use

Its mild, non-ionic nature makes Polysorbate 80 suitable for eye drops, ointments, and dermatological preparations where irritation potential must be minimized.

Key Specifications to Look For

When evaluating a PS 80 pharmaceutical excipient supplier, check for:

Pharmacopoeial compliance: USP-NF, Ph. Eur., IP, or JP grade certification
Peroxide value: Low peroxide content is essential, especially for injectable-grade material, since peroxides can degrade sensitive APIs
Residual ethylene oxide and 1,4-dioxane: Must be within regulatory limits
HLB value: Typically around 15, confirming its hydrophilic character
Viscosity and acid value: Batch-to-batch consistency is critical for formulation reproducibility
Non-GMO and animal-origin-free certification: Increasingly requested, especially for vegan or halal/kosher-compliant formulations
Full Certificate of Analysis (CoA) and regulatory support documents (DMF, CEP, TSE/BSE-free declarations)

Why Source Polysorbate 80 from an Indian Excipient Supplier?

India has emerged as one of the world's largest hubs for pharmaceutical excipient manufacturing and export, supplying to regulated markets including the US, EU, and Southeast Asia. Key advantages of sourcing PS 80 from India include:

Cost competitiveness without compromising GMP compliance
Established regulatory infrastructure, with many suppliers holding WHO-GMP, ISO 9001, ISO 22000, and US DMF filings
Scalable manufacturing capacity, from small R&D batches to large commercial volumes
Strong logistics network for both domestic pharma manufacturers and international export
Technical documentation support for regulatory filings (ANDA, MAA, and CTD dossiers)

Applications Across Dosage Forms

Dosage Form	Role of Polysorbate 80
Injectables/Parenterals	Solubilizer, emulsifier, protein stabilizer
Oral Suspensions	Wetting agent, dispersion stabilizer
Topical Creams/Ointments	Emulsifier
Ophthalmic Solutions	Solubilizer, viscosity modifier
Vaccines	Aggregation inhibitor

Choosing the Right Supplier: What to Ask

Does the supplier manufacture in-house or trade third-party material?
Can they provide batch-specific CoA, MSDS, and stability data? 3i Do they support regulatory filings with DMF/CEP access?
What is their track record with international regulatory audits (USFDA, EDQM, MHRA)?
Can they supply both bulk industrial-grade and injectable/parenteral-grade material separately, with appropriate segregation?

Frequently Asked Questions

Is Polysorbate 80 safe for injectable use?

Yes, when manufactured to pharmacopoeial (USP-NF/Ph. Eur.) injectable-grade specifications with controlled peroxide levels and full traceability, Polysorbate 80 is widely used and approved in parenteral formulations globally.

What is the difference between food-grade and pharma-grade Polysorbate 80?

Pharma-grade PS 80 undergoes tighter quality control for peroxide value, heavy metals, and residual solvents, and is manufactured under GMP conditions with full documentation — unlike food-grade material, which follows food-safety standards only.

Can Polysorbate 80 cause hypersensitivity reactions?

Rare hypersensitivity reactions have been reported in some patients receiving PS 80-containing injectables, which is why formulators carefully control concentration and source high-purity, well-characterized material.

How should Polysorbate 80 be stored?

It should be stored in tightly sealed containers, away from light and heat, typically below 25°C, to prevent oxidation and peroxide formation.

Partner with a Trusted Pharmaceutical Excipient Supplier

Sourcing Polysorbate 80 for pharmaceutical, injectable, or biologic formulations requires a supplier who understands regulatory nuance, batch consistency, and documentation support — not just competitive pricing.

Clyzo supplies pharmaceutical-grade Polysorbate 80 and other critical excipients to formulators and manufacturers across India and international markets, backed by full technical documentation and regulatory support. Reach out to Clyzo to discuss your PS 80 sourcing requirements and get a quote tailored to your formulation needs.

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