Polysorbate 20
Description References- Product Name
- Polysorbate 20
- CAS No.
- 9005-64-5
- Chemical Name
- Polysorbate 20
- Synonyms
- TWEEN 20;SORBITAN MONOLAURATE;capmul;PEG-80 SORBITAN LAURATE;Polisorbate 20- PS 20;POLYSORBATE 21;POLYOXYETHYLENE SORBITAN MONOLAUREATE;POLYETHYLENE GLYCOL SORBITAN MONOLAURATE;Tween 20 (Trademark of ICI America, Inc.);POLYOXYETHYLENE (20) SORBITAN MONOLAURATE
- CBNumber
- CB3462544
- Molecular Formula
- C26H50O10
- Formula Weight
- 522.6692
- MOL File
- 9005-64-5.mol
Polysorbate 20 Property
- 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)
- FEMA
- 2915 | POLYSORBATE 20
- refractive index
- n20/D 1.468(lit.)
- Flash point:
- >230 °F
- storage temp.
- Store below +30°C.
- solubility
- 100 g/L
- form
- viscous liquid
- color
- Amber
- Specific Gravity
- 1.090～1.130 (20/20℃)
- PH
- 6-8 (50g/l, H2O, 20℃)
- PH Range
- 7
- Odor
- mild alcohol odor
- Odor Type
- alcoholic
- Water Solubility
- 100 g/L
- Hydrophilic-Lipophilic Balance (HLB)
- 16.7
- Stability:
- Stable. Incompatible with strong oxidizing agents.
- EPA Substance Registry System
- Polysorbate 20 (9005-64-5)
Safety
- Hazard Codes
- Xi
- Risk Statements
- 22-36/37/38-37/38-41
- Safety Statements
- 24/25-36/37/39-36-26
- WGK Germany
- 1
- RTECS
- TR7400000
- F
- 10-23
- TSCA
- Yes
- HS Code
- 34021300
- Hazardous Substances Data
- 9005-64-5(Hazardous Substances Data)
- Toxicity
- LD50 orally in Rabbit: 38900 mg/kg
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- P7949
- Product name
- TWEEN® 20
- Purity
- BioXtra, viscous liquid
- Packaging
- 2.5L
- Price
- $293
- Updated
- 2024/03/01
- Product number
- P1379
- Product name
- TWEEN® 20
- Purity
- viscous liquid
- Packaging
- 1KIT
- Price
- $137
- Updated
- 2024/03/01
- Product number
- 9480-OP
- Product name
- TWEEN® 20
- Packaging
- 1L
- Price
- $98.5
- Updated
- 2024/03/01
- Product number
- 8.22184
- Product name
- TWEEN® 20
- Purity
- for synthesis
- Packaging
- 50mL
- Price
- $32.6
- Updated
- 2024/03/01
- Product number
- 8.22184
- Product name
- TWEEN® 20
- Purity
- for synthesis
- Packaging
- 500mL
- Price
- $49.2
- Updated
- 2024/03/01
Polysorbate 20 Chemical Properties,Usage,Production
Description
Tween 20, whose common commercial names includes Alkest TW 20 and Polysorbate 20, is a mild nonionic surfactant formed by the ethoxylation of sorbitan before the addition of lauric acid which is a medium-chain fatty acid found mainly in coconut oil. It is allowed to be used as the emulsifier, detergent, dispersant, solvent and stabilizer, etc. in a number of fields such as pharmaceutical, chemical, food, textile and other industries due to its stability and relative non-toxicity.
Tween 20 is widely applied in biological techniques and sciences, which can be added to buffers and reagents for immunohistochemistry, such as Western blots and ELISAs, helping to prevent non-specific antibody binding, decrease background staining and enhance reagent spreading. Besides, Tween 20 also has applications in food production as a common food grade additive which are found in many consumables on the market today. It can also be used as a wetting agent in flavored mouth drops such as Ice Drops, in oral or non-gastrointestinal suspensions and in rubber balers in the elastomer industry.
References
https://en.wikipedia.org/wiki/Polysorbate_20
http://www.organic-creations.com/thickeners-stabilizers/599-polysorbate-20
Chemical Properties
Polysorbate 20 is a mixture of laurate partial esters of sorbitol and sorbitol anhydrides condensed with approximately 20 mole of ethylene oxide (C2H4O) for each mole of sorbitol and its mono- and dianhydrides. It has a faint, characteristic odor and a warm, somewhat bitter taste.
Chemical Properties
Yellow liquid
Uses
Used for solubilizing membrane proteins during isolation and purification.Polysorbate 20 is used as a wetting agent in flavored mouth drops. It acts as a washing agent in Western blots and ELISAs and prevents antibody binding. It is a solubilizing agent of membrane proteins. In pharmaceutical chemistry, it is used as an excipient to stabilize emulsions and suspensions. Further, it is used as a dispersing agent, stabilizer, lubricator and also used in creams, salves, ointments, protective creams, balms, pomades, lipsticks, mascaras and glosses.
Uses
polysorbate 20 is a solubilizer, emulsifier, viscosity modifier, and stabilizer of essential oils in water.
Preparation
polysorbate 20 is prepared by condensing the partial esters of sorbitol and its anhydrides with ethylene oxide to effect an oxyethylene copolymerization at the free hydroxyl groups.
Definition
ChEBI: Polysorbate 20 (Tween 20) is a polymer composed of PEG-ylated sorbitan, where the total number of poly(ethylene glycol) units is 20 (w + x + y + z = 20) and a single terminal is capped by a dodecanoyl group. It is a surfactant and emulsifier used in cleaners and personal care products.
brand name
Tween 20 (ICI Americas).
General Description
Polysorbate 20 is a hydrophilic nonionic surfactant generally used as emulsifiers, dispersing agent and solubilizer.
Health effects
Polysorbate 20 was a skin irritant in dermatitis patients but was reported not to induce irritant responses when applied to the intact skin of health volunteers. It produced, at worst, minimal irritation in the eyes of rabbits. Only a small number of cases of skin sensitization have been reported in humans, although a moderate to strong sensitizing potential was seen in guinea-pigs treated by intradermal injection.
Flammability and Explosibility
Non flammable
Safety Profile
Moderately toxic by intravenous route. Mddly toxic by ingestion. A human skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Polysorbate 20 Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Polysorbate 20 manufacturers
- Product
- Tween 20 9005-64-5
- Price
- US $6.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 2000KG/Month
- Release date
- 2024-08-07
- Product
- Polysorbate 20 9005-64-5
- Price
- US $32.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 5000kg/week
- Release date
- 2024-04-26
- Product
- Polysorbate 20 9005-64-5
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 98%min
- Supply Ability
- 20mt
- Release date
- 2024-08-06