9005-64-5

Product Name: Polysorbate 20

Formula: C26H50O10

Synonyms: Polysorbate 20;Tween 20;Tween;Polyoxyethylene Sorbitan Monolaurate;Polyethylene glycol sorbitan monolaurate

Inquiry

CHEMICAL AND PHYSICAL PROPERTIES SAFETY INFORMATION COMPUTED DESCRIPTORS PRODUCT INTRODUCTION RELATED SUPPLIERS

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 Å²
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.