Merck
All Photos(1)

8.22187

Sigma-Aldrich

TWEEN® 80

for synthesis

Synonym(s):
POE (20) sorbitan monooleate, Polyoxyethylenesorbitan monooleate, Polyethylene glycol sorbitan monooleate, Polysorbate 80
CAS Number:
MDL number:
EC Index Number:
500-019-9

Quality Level

vapor pressure

<1.33 hPa

form

liquid

potency

42200 mg/kg LD50, oral (Rat)

pH

5-7 (20 °C, 50 g/L in H2O)

kinematic viscosity

300-500 cSt(25 °C)

bp

>100 °C/1013 hPa

transition temp

flash point >149 °C

density

1.07 g/cm3 at 25 °C

storage temp.

2-30°C

InChI

1S/C32H60O10/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-30(36)40-25-24-37-27-29(39-22-19-34)32-28(38-21-18-33)26-31(42-32)41-23-20-35/h9-10,28-29,31-35H,2-8,11-27H2,1H3/b10-9+

InChI key

RGPBUVUVZKQNHD-MDZDMXLPSA-N

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Application

Tween® 80 for synthesis. CAS 9005-65-6, pH 5 - 7 (50 g/l, H₂O, 20 °C).

Analysis Note

Density (d 20 °C/ 4 °C): 1.060 - 1.090
Saponification value: 45 - 55
Hydroxyl value: 65 - 80
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Legal Information

TWEEN is a registered trademark of Croda International PLC

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

> 113 °C - closed cup

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