Tween 21 / Polysorbate 21
Polyoxyethylene (4) Sorbitan Monolaurate
Polysorbate 21, also known as polyoxyethylene(4) monolaurate, consists of sorbitol, ethylene oxide and lauric acid. It has a molecular formula of C26H50O10. At room temperature, it appears as a pale-yellow to yellow viscous liquid. This O/W emulsifier has an HLB of 13.3 and is soluble in methanol, ethanol, glycol, and ethyl acetate.
Technical Specifications
According to GB29221-2012, other parameters are available upon request.
| Number |
Inspection Indicators |
Min |
Max |
| 1 |
Saponification value (mgKOH/g) |
100 |
115 |
| 2 |
Hydroxyl value (mgKOH/g) |
220 |
250 |
| 3 |
Acid value (mgKOH/g) |
|
3 |
| 4 |
Water content (%) |
|
3 |
Product Advantages
- Commonly used as an emulsifier, stabilizer, diffuser, and lubricant in industrial products
- Suitable for various industrial applications
Packaging & Storage
Packaging: Double covered PE drum, 25kg/drum, 200kg/drum, and 1000kg/drum
Storage & Transportation: Store in a cool, dry, and well ventilated place. Do not mix with harmful substances.
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Product Specifications
| Product Name |
Chemical Name |
Appearance |
HLB |
| T-20 / Tween 20 Polysorbate 20 |
Polyoxyethylene (20) Sorbitan Monolaurate |
pale-yellow to yellow viscous liquid |
16.7 |
| T-21 / Tween 21 Polysorbate 21 |
Polyoxyethylene (4) Sorbitan Monolaurate |
pale-yellow to yellow viscous liquid |
13.3 |
| T-40 / Tween 40 Polysorbate 40 |
Polyoxyethylene (20) Sorbitan Monopalmitate |
pale-yellow to yellow viscous liquid |
15.6 |
| T-60 / Tween 60 Polysorbate 60 |
Polyoxyethylene (20) Sorbitan Monolaurate |
pale yellow paste |
14.9 |
| T-61 / Tween 61 Polysorbate 61 |
Polyoxyethylene (20) Sorbitan Monooleate |
pale-yellow to amber-colored oily liquid or paste |
9.6 |
| T-65 / Tween 65 Polysorbate 65 |
polyoxyethylene (20) sorbitan tristearate |
yellow viscous liquid or paste |
10.5 |
| T-80 / Tween 80 Polysorbate 80 |
Polyoxyethylene (20) Sorbitan Monolaurate |
pale-yellow to amber oily liquid |
15.0 |
| T-81 / Tween 81 Polysorbate 81 |
Polyoxyethylene (5) Sorbitan Monooleate |
pale-yellow orange oily liquid |
10.0 |
| T-85 / Tween 85 Polysorbate 85 |
Polyoxyethylene (20) Sorbitan Trioleate |
pale-yellow orange oily liquid |
11.0 |
About Lihong Technology
Lihong Technology continues to increase its investment in advanced safety and environmental protection facilities. As a second-level enterprise for production safety standardization, many of our products have passed food-grade product certification. We always adhere to the principle that quality is paramount, operating advanced quality management and information management systems to ensure effective product quality process control.
Relying on advanced technology and equipment, we actively create world-class product quality and corporate image. The company has always insisted on leading high-quality development with technological innovation, currently employing more than 30 high-end industry professionals across three R&D platforms: Jiangsu Technology R&D Center, Jiangsu Polyurethane New Material Engineering Technology Research Center, and Jiangsu Special Polyurethane New Material Engineering Research Center.
We hold 5 invention patents, 22 utility model patents, and have more than 10 invention patents pending. Our research and development of specific functional flame-retardant polyether polyols has been identified as a key R&D project in Huai'an City.
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