9005-64-5
Product Name:
Polysorbate 20
Formula:
C26H50O10
Synonyms:
Polysorbate 20;Tween 20;Tween;Polyoxyethylene Sorbitan Monolaurate;Polyethylene glycol sorbitan monolaurate
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Yellow viscous liquid; [MSDSonline] |
|---|---|
| Color/Form | Lemon- to amber-colored liquid |
| Odor | Characteristic odor |
| Taste | Bitter |
| Melting Point | Freezing point = 110 °C |
| Solubility | Soluble in water, alcohol, ethyl acetate, methanol, dioxane; insoluble in mineral oil, mineral spirits |
| Density | 1.095 g/mL at 25 °C |
| Stability/Shelf Life | AUTOOXIDATION NOTED IN PREVIOUSLY UNOPENED SAMPLES OF POLYSORBATE 40. |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating fumes. |
| Refractive Index | Index of refraction = 1.468 at 20 °C |
| Chemical Classes | Other Classes -> Polyoxyethylenes |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 522.7 g/mol |
|---|---|
| XLogP3 | 2.5 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 26 |
| Exact Mass | 522.34039779 g/mol |
| Monoisotopic Mass | 522.34039779 g/mol |
| Topological Polar Surface Area | 133 Ų |
| Heavy Atom Count | 36 |
| Formal Charge | 0 |
| Complexity | 507 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 4 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Sorbitan mono-9-octadecanoate poly(oxy-1,2-ethanediyl) derivatives; complex mixtures of polyoxyethylene ethers used as emulsifiers or dispersing agents in pharmaceuticals.