Chengguan District, Lanzhou, Gansu, China sales01@liwei-chem.com 1557459043@qq.com
Follow us:



Polysorbate 80 BP EP USP Pharma Grade: Reliable Insights and Application

What Is Polysorbate 80 BP EP USP Pharma Grade?

Polysorbate 80, recognized in pharmaceutical circles under BP, EP, and USP monographs, goes by many names throughout industry. This substance comes from sorbitol and oleic acid, forming a non-ionic surfactant and emulsifier. Polysorbate 80 appears as a yellow to amber-colored, almost odorless, oily liquid. Its molecular formula, C64H124O26, points directly to a sizable molecule, loaded with hydrophilic and hydrophobic sections, which helps blend otherwise immiscible liquids. The structure includes a polyoxyethylene chain, linking to sorbitan esterified with oleic acid. This structure plays a central role in its action inside a medicine bottle, injection vial, or even a bottle of eye drops.

Physical Properties and Appearance

This raw material does not show up as flakes, powder, crystals, or pearls you might see with other chemicals. Its classic appearance is a heavy, viscous liquid. Trying to pour it straight out of a drum, its stickiness stands out. Polysorbate 80 sits with a density around 1.06 g/cm3 at 25°C—a little denser than water—allowing it to sink readily in an aqueous environment. Despite this, its surface-active nature keeps it near the interface, breaking down tension as it gets to work.

Solubility, Formula, and Specifications

Solubility shows how functional this ingredient gets. Its high water solubility—better than many other polysorbates—explains why it can dissolve oils, fragrances, or vitamins in clear liquid solutions for pharmaceutical or food use. Working with pure Polysorbate 80 means keeping it free from excessive water, acids, or peroxides. BP, EP, and USP grade standards set out the chemical purity, limiting harmful by-products like ethylene oxide, dioxane, and heavy metals. Standard testing checks acid value (typically ≤2.0), saponification value (between 45–55), and hydroxyl value. Compliance with mentioned pharmacopeias signals lower risk and consistent performance in finished medicines or injectable products.

HS Code and Regulatory Details

Any importer or exporter handling Polysorbate 80 labels it through the Harmonized System (HS) Code 3402.13 for non-ionic organic surface-active agents. The HS Code eases customs and regulatory clearances worldwide, whether shipments move from India, Europe, or North America. Strict specifications (BP, EP, USP) matter for cross-border medical products, as regulators and customs look for documentation about grade, contaminants, and allowable limits.

Uses in Pharma and Beyond

Experience in the pharmaceutical industries shows Polysorbate 80 in a surprising number of places. Many injectable formulations—think vaccines, vitamin blends, chemotherapeutics—draw on Polysorbate 80 to keep active substances mixed. It helps wet powders dissolve fast and keeps lipid-based drugs from clumping. Eye drops, oral suspensions, creams, and ointments lean on this ingredient to mix oil-soluble actives in water-based carriers. Looking outside pharma, food products, cosmetics, and even lab reagents take advantage of the solvent and emulsifying power.
In each application, manufacturers trust that pharma-grade Polysorbate 80 brings lower impurities and better documentation compared to non-pharma types. This keeps safety in line for sensitive uses—like those that end up inside the human body.

Handling Safety—Hazardous or Not?

Anyone working with this material in a lab or plant needs to think about more than just its physical traits. While Polysorbate 80 itself carries a low acute toxicity—often recognized as “generally regarded as safe” by US and European authorities—risks come from exposure to high doses or impurities from poor batches. Eye contact, for instance, can irritate. Long-term storage in poor conditions may allow peroxide formation or degradation. Good practice involves keeping material in sealed drums, away from heat and light. Gloves and goggles protect from splashes, not because of major chemical threat, but because safety in a plant never goes out of style. Workers and quality assurance specialists often look at the certs of analysis, checking peroxide value, heavy metal content, and pH, making sure inbound raw materials don’t bring contaminants into finished product lines.

Raw Material Sourcing Amidst Global Challenges

Getting a dependable supply of Polysorbate 80 takes more than a purchase order. Supply chain disruptions, changing regulatory standards, and increased pharmaceutical scrutiny highlight the risk. Raw material quality affects not just current production but downstream recalls, reputational issues, and batch failures. Anytime I have seen a medicine or vaccine batch pulled from market, the news often circles back to the excipients—minor ingredients like Polysorbate 80—with quality or contamination concerns. Only suppliers following strict Good Manufacturing Practices (GMP) and adhering to current BP, EP, and USP guidelines can provide reassurance in these uncertain times.

Potential Solutions to Sourcing and Safety Hurdles

Build resilient supply chains. Prioritize trusted suppliers with GMP track records and traceability for every drum or tote. Carry out in-house testing or leverage certified contract labs for every bulk delivery, especially when switching supply source or region. Train plant workers in proper handling, emphasizing not just Material Safety Data Sheet (MSDS) details but also practical spill control, exposure mitigation, and batch integrity checks. Keep communication clear between procurement, quality, and production teams, so no shortcuts slip through the cracks. Invest in storage and environmental controls—temperature, humidity, and exposure matter for the shelf life of Polysorbate 80, just like any active pharmaceutical ingredient.