Tween® 80 (Polysorbate) for synthesis, Sigma-Aldrich®

Supplier: Merck


M-Clarity™ quality level = MQ200

8.22187.0500EA 26.05 GBP
8.22187.0500 8.22187.9010 8.22187.0050 8.22187.9050 8.22187.1000 8.22187.9999 8.22187.2500
Tween® 80 (Polysorbate) for synthesis, Sigma-Aldrich®
Tween® 80 (Polysorbate)

  • pH value: 5 - 7 (50 g/L, H₂O, 20 °C)
  • Vapor pressure: <1.33 hPa (20 °C)
  • Viscosity kinematic: 300 - 500 mm2/s (25 °C)


Caution: Store below +30 °C
TWEEN is a registered trademark of Croda International PLC.

Boiling Pt: ∼100 °C (1013 hPa)
Melting Pt: –21 °C
Density: 1,062 g/cm³ (20 °C)
Flash Pt: >113 °C
Storage Temperature: Ambient
MDL Number: MFCD00082107
CAS Number: 9005-65-6
EINECS: 500-019-9
Merck Index: 13,07664

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Specification Test Results

Identity Passes test
Saponification value 45 - 55
Hydroxyl vlaue 65 - 80
Density (d20 °C/4 °C) 1,060 - 1,090

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