Name：Span 40
Cas: 26266-57-9
Purity: 99%
MOQ: 1KG
Sipan 40 is a non-ionic surfactant and an important member of the Sipan series of products. Its chemical name is sorbitan palmitate, which is a compound formed by esterification of sorbitol and palmitic acid under specific conditions, followed by closed-loop dehydration. This synthesis process endows Span 40 with a typical polyol ester structure, giving its molecules both hydrophilic hydroxyl groups and hydrophobic long-chain alkyl groups. This unique amphiphilic structure is the basis for its interfacial activity.
From the perspective of physical and chemical properties, Span 40 usually appears as a viscous oily liquid or waxy solid ranging from amber to yellow brown at room temperature, with a characteristic weak and special odor. It exhibits good solubility in oily solvents and can easily dissolve in various hot oils and organic solvents, but its solubility in water is relatively limited. This dissolution characteristic gives it excellent adsorption and directional alignment ability at the oil-water interface, which can significantly reduce interfacial tension. This characteristic is closely related to its specific hydrophilic and oleophilic equilibrium values.
| Melting point | 46-47 °C(lit.) |
| Boiling point | 444.68°C (rough estimate) |
| density | 1.0412 (rough estimate) |
| refractive index | 1.4593 (estimate) |
| Fp | >230 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Practically insoluble in water, soluble in fatty oils, slightly soluble in alcohol. |
| form | Solid |
| color | White flakes |
| Water Solubility | Insoluble in water |
Directory Guidance on Span 40
⇒We provide high-purity chemical raw materials with clear molecular formula and precise specifications. Each batch of Span 40 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.
Span 40, as a non-ionic surfactant, plays an indispensable role in multiple key fields such as food, cosmetics, pharmaceuticals, and industry due to its excellent emulsifying, dispersing, and stabilizing properties. Its unique hydrophilic and oleophilic balance values make it particularly adept at constructing stable water/oil emulsion systems and playing a core role in various industries.
Span 40 is widely known as an effective emulsifier and defoamer. It can also be used to treat flour. It is able to mix oil and water, two incompatible components, evenly and create a stable emulsion. This prevents problems like oil-water separation or excessive ice crystals, which can occur during storage of products such as chocolate sauce, margarine and ice cream. As a dough enhancer, it interacts with starch and proteins in flour to improve processing, increase volume, and soften the internal structure of the finished product. This prolongs the shelf-life of the products by delaying the hardening and aging of starch.
Span 40 is a key component in building the infrastructure of many cream, lotion and cosmetics products. Because of its strong lipophilicity, it is particularly suitable as the main emulsifier of water/oil lotion. Span 40 can stably wrap water in the oil phase. This kind of formula usually has an extremely rich skin feel, excellent moisture retention and good water resistance, and is commonly used in high-end cold cream, sun proof milk, makeup remover and other products. At the same time, it also serves as an effective dispersant to help disperse pigments and powders (such as titanium dioxide and zinc oxide) evenly in liquid foundation, BB cream and other cosmetics products, avoid caking and color difference, and ensure that the product has uniform texture and natural makeup effect.
Span 40 is also versatile. It is widely used in the pharmaceutical industry as a drug-carrier, emulsifier and lubricant. It helps hydrophobic components of drugs disperse evenly into water and improves drug stability and bioavailability. Span 40 can be used in a variety of industrial applications. It is an effective emulsifier in oil formulation for synthetic fiber production and preparation of metalworking liquids. It increases the flowability of polymerized resins and prevents the accumulation of surface charges in finished products. This ensures smooth production processes and product quality.
Related References
Manufacturer of Span 40
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 Span 40 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
Cooperation Partner
Hot Products
Understanding Limonene Isomers: Purity, Odor Profiles, and Industrial Application Guide
D-Limonene vs. L-Limonene vs. Dipentene (CAS 138-86-3): How to Choose the Right Isomer for Fragrances & Formulations
Avobenzone vs. Zinc Oxide: How to Choose the Best UVA Filter for Broad-Spectrum Sunscreens
Formulating with Avobenzone (CAS 70356-09-1): Photostability Solutions, Solubility & B2B Sourcing Guide
How to Source High-Purity Asiaticoside Powder (CAS 16830-15-2) for Skincare Manufacturing
Myristic Acid vs Lauric Acid: Key Differences in Cosmetic & Personal Care Products
Top 5 Factors to Consider When Sourcing Cosmetic-Grade Myristic Acid in Bulk
