Name:Polysorbate 20
Cas: 9005-64-5
Purity: 99%
MOQ: 1KG
Polysorbate 20 is a typical non-ionic surfactant, with the chemical name polyoxyethylene sorbitan lauric acid ester. It belongs to the Tween collection of items, and its molecular framework consists of both hydrophilic polyoxyethylene chains and lipophilic long-chain alkyl moieties. This amphiphilic home allows it to significantly minimize the surface area stress in between liquids. This material is usually a brownish-yellow tinted viscous oily fluid, conveniently soluble in numerous solvents such as water and ethanol, and has light qualities and great emulsification, dispersion, and stability buildings.
From a chemical composition perspective, Polysorbate 20 is synthesized by partial esterification of sorbitol and its anhydride with lauric acid, adhered to by polymerization with ethylene oxide. This synthesis process grants it with a distinct hydrophilic and oleophilic balance value. The polyoxyethylene sections in its particle can create a hydration layer in water, while the hydrocarbon chains give the capacity to communicate with hydrophobic compounds, which is the basis for its numerous physical and chemical results. The stability, reduced toxicity, and relatively neutral pH worth of this substance make it an essential chemical basic material in many fields.
| Melting point | 98.9 °C (decomp) |
| Boiling point | 100 °C |
| density | 1.11 g/mL at 20 °C |
| vapor pressure | <1.4 hPa (20 °C) |
| refractive index | n20/D 1.468(lit.) |
| FEMA | 2915 | POLYSORBATE 20 |
| Fp | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | 100 g/L |
| form | viscous liquid |
| Specific Gravity | 1.090~1.130 (20/20℃) |
| color | Amber |
| PH Range | 7 |
| Odor | mild alcohol odor |
| PH | 6-8 (50g/l, H2O, 20℃) |
| biological source | synthetic |
| Odor Type | alcoholic |
| Water Solubility | 100 g/L |
Directory Guidance on Polysorbate 20
⇒We provide high-purity chemical raw materials with clear molecular formula and precise specifications. Each batch of Polysorbate 20 products undergoes strict quality inspection to ensure stable and reliable physical and chemical properties. It adopts international standard packaging, sealed and moisture-proof, to ensure safe transportation and storage. Whether it is R&D experiments or industrial production, we can provide you with professional technical support and customized services. With rigorous technology, transparent data and stable supply, we help you efficiently complete chemical applications and innovations.

Polysorbate 20, with its outstanding emulsification, solubilization, diffusion, and stability properties, has gone across several crucial areas such as drugs, scientific research, everyday chemical products, and food. It plays an essential function as a “behind the scenes hero” in every area. Although it is not straight used as an energetic component, its existence plays an important function in ensuring product stability, boosting efficiency, maximizing processes, and enhancing experiences, completely demonstrating the extensive and effective application worth of a standard chemical raw material.
Polysorbate 20 is commonly used as an effective and reasonably risk-free excipient, whose main feature is to improve the water solubility of inadequately soluble medicines, consequently significantly improving their bioavailability. In fluid solutions such as dental liquids and injections, it covers hydrophobic drug molecules right into micelles via its surface task, enabling them to be uniformly distributed in aqueous media and protecting against rainfall. On top of that, in vaccinations and healthy protein drug formulations, it is frequently utilized as a stabilizer to reduce protein aggregation and denaturation by adsorbing onto hydrophobic regions of healthy protein particles, ensuring long-lasting stability of medication efficiency.
Polysorbate 20 is the core part of standard buffer services (such as TBST, PBST), which plays a crucial role in obstructing non-specific binding sites of microplates or membrane layer products. It is made use of as a cleaning agent in immunoassays (such as ELISA, Western Blot) to successfully wash away unbound antibodies or antigens, therefore considerably decreasing history signals, boosting the signal-to-noise proportion and uniqueness of detection. Its gentle nature can preserve the honesty of protein antigenicity during the cleansing process, while likewise breaking down cell membrane layers and promoting the penetration of reagents, making it a crucial standard reagent in the laboratory.
Polysorbate 20 is extensively used in different cream, cream, hair shampoos and other items due to its exceptional emulsifying capacity and moderate skin inflammation. Its major feature is to equally blend the originally inappropriate water and oil elements in the formula, developing a stable solution system, preventing oil-water splitting up in the item, thereby ensuring premium delicacy and steady efficiency. At the same time, it can likewise be utilized as a cleanser to help remove oil and dust from skin and hair, and as a solubilizer of essence, to make it equally spread in the product and boost the usage experience.
Polysorbate 20 is licensed by regulations to be utilized as a food additive (emulsifier), frequently used in gelato, margarine, and baked products. In gelato, it can inhibit the development of ice crystals and distribute fat beads, providing the product an extra delicate and smooth taste and far better resistance to melting. In baked goods such as bread and cakes, it acts as a dough improver, which can strengthen the gluten network, boost the extensibility and air holding capacity of the dough, ultimately resulting in a larger volume of the finished item, a much more consistent and soft interior framework, and effectively hold-up starch aging and prolong life span.
Related References
Manufacturer of Polysorbate 20
Zhishang Chemical is based in Shandong, serves the whole country, faces the world, and is determined to become an excellent supplier and service provider in the chemical industry.
As a top manufacturer of cosmetic raw materials, disinfectants, flavors and fragrances in China, we are committed to producing high-quality products and have won high praise from customers all over the world.
In the next 10 years or even longer, Zhishang will always adhere to the tenet of quality first and reputation first, and devote itself to providing customers with thoughtful and perfect services.
As a professional Polysorbate 20 manufacturer, Zhi shang Chemical has served more than 6,000 customers around the world. Because of our high-quality products and professional services, we have won high praise from most of our customers.
Pre-Sales Service
* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.
* The sample supports testing and inspection.
* Each batch of products will be tested to ensure that its quality meets user needs.
*Packaging can also be made according to customer requirements.
*Any inquiries will be answered by our relevant personnel within 24 hours.
*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.
After-Sales Service
*We will monitor the logistics information in real time and will share the information with you.
* You can consult us at any time if you have any questions about the product, and we will answer you in time.
*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.
DO YOU ACCEPT SAMPLE ORDER?
We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.
WHAT’S YOUR MOQ?
Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.
IS THERE A DISCOUNT?
Different quantity has different discount.
HOW TO CONFIRM WHETHER THE PRODUCT QUALITY MEETS OUR NEEDS BEFORE PLACING AN ORDER?
You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.
DO YOU SUPPLY PRODUCT REPORT?
Yes. We’ll give you product analysis report before shipping.
LEARN MORE ABOUT US
Shandong Look Chemical
1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).
3. For products >500kg, we generally recommend shipping by sea, which is usually called FOB, CFR or CIF service (economical, safe).
4. For high-value products, please choose air or express to ensure the safety of product transportation.
Company Info
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