Merck TWEEN® 80

vapor pressure:  <1.33 hPa

Quality Level:  200

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

SMILES string:

CCCCCCCC/C=C/CCCCCCCC(=O)OCCOCC(C1C(CC(O1)OCCO)OCCO)OCCO

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

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