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Merck
CN

93775

Sigma-Aldrich

Tween® 40

Synonym(s):

Polyethylene glycol sorbitan monopalmitate, Polyoxyethylene sorbitanmonopalmitate

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About This Item

CAS Number:
9005-66-7
MDL number:
MFCD00165345
UNSPSC Code:
12161900

Key Documents

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description

non-ionic

viscosity

400-650 mPa.s(25 °C)

HLB value

15.6±1.0

density

1.08-1.09 g/mL at 20 °C

InChI

1S/C26H50O10/c1-2-3-4-5-6-7-8-9-10-11-24(30)34-19-18-31-20-22(32-15-12-27)26-25(35-17-14-29)23(21-36-26)33-16-13-28/h22-23,25-29H,2-21H2,1H3

InChI key

HMFKFHLTUCJZJO-UHFFFAOYSA-N

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Other Notes

This product has been replaced by P1504-SIGMA | TWEEN 40 viscous liquid

Legal Information

TWEEN is a registered trademark of Croda International PLC

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Himani Sharma et al.
Journal of materials science. Materials in medicine, 20 Suppl 1, S123-S130 (2008-06-24)
In this work, polysorbate surfactants with same functional groups but with varying molecular masses (Tween-80, Tween-40 and Tween-20) in different concentrations (0.1% to 20% w/w) were used to study the effect of the length of the surfactant chain on the
Cheng-Yu Liu et al.
Chemical communications (Cambridge, England), 47(9), 2550-2552 (2011-01-11)
This study describes a simple method for the selective and sensitive detection of cyanide and endogenous biological cyanide using polysorbate 40-stabilized gold nanoparticles.
Peter Klauth et al.
Applied microbiology and biotechnology, 72(5), 1099-1106 (2006-09-16)
Corynebacterium glutamicum forms inorganic polyphosphate (poly P) that may occur as soluble (cytosolic) poly P and/or as volutin granules. A suitable method for monitoring soluble and granular poly P in C. glutamicum was developed and applied to C. glutamicum cells
Savidra Lucatero et al.
Biotechnology letters, 26(1), 41-44 (2004-03-10)
Image analysis was used to measure the effect of Tween 40 on the morphology of Trichoderma harzianum. The percentage of pellets was maximal (93%) with Tween at 0.2 ml l(-1), whereas the maximal proportion of dispersed mycelia (40%) was with
Emilia Ciok-Pater et al.
Medycyna doswiadczalna i mikrobiologia, 63(3), 263-266 (2011-12-22)
Lipolytic activity of 40 strains of Candida spp. was tested on API ZYM system and on RPMI agar plates supplemented with 1% Tween 40. Lipolytic activity was indicated by opaque zones around the inoculum cylindrical holes were punched in the
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