polysorbate 40 Chemical Properties

Melting point:

0.1 °C

Boiling point:

797.89°C (rough estimate)

Density 

1.083 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.47(lit.)

Flash point:

>230 °F

storage temp. 

Store below +30°C.

solubility 

Miscible with water, with anhydrous ethanol, with ethyl acetate and with methanol, practically insoluble in fatty oils and in liquid paraffin.

form 

viscous liquid

Specific Gravity

1.090 (25/4℃)

color 

Light yellow to Yellow to Orange

Water Solubility 

100 g/L

Hydrophilic-Lipophilic Balance (HLB)

15.6

EPA Substance Registry System

Polysorbate 40 (9005-66-7)

Safety Information

Safety Statements 

24/25

WGK Germany 

1

RTECS 

WG2933000

TSCA 

Yes

HS Code 

3402 13 00

Hazardous Substances Data

9005-66-7(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: > 38400 mg/kg

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

polysorbate 40 Usage And Synthesis

Chemical Properties

Yellow to amber liquid

Uses

Pharmaceutic aid (surfactant)Note—Graphic formula same as for Polysorbate 20, except that R is (C15H31)COO.

Uses

polysorbate 40 is an emulsifier and stabilizer of essential oils in water. It is also a detergent and employed in a variety of cleansing and moisturizing preparations.

Uses

Polysorbate 40 is a non-ionic surfactant used as an inner antistatic agent.

Definition

ChEBI: 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 palmitoyl group.

brand name

Tween 40 (ICI Americas).

General Description

Polyoxyethylenesorbitan monopalmitate, or TWEEN 40, is a non-ionic detergent.

polysorbate 40(9005-66-7)Related Product Information

• Polysorbate 20
• Cremophor EL
• Tween 60
• Sorbitol
• Polyethylene Glycol Monocetyl Ether
• Tween 80
• alkyl phenyl polyoxyethylene ether
• Polyethylene Glycol
• TWEEN 65
• Tween 85
• 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE
• METHYL ISOCYANOACETATE
• DICHLORO(ETHYLENEDIAMINE)PLATINUM(II)
• 2,4-PENTANEDIONE, SILVER DERIVATIVE
• COBALT(II) ACETYLACETONATE
• TERT-BUTYL ISOCYANIDE
• SALCOMINE
• PHENYLSELENOL