Tween 40 CAS 9005-66-7

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242548 Tween 40 (Polysorbate 40) CAS: 9005-66-7

Specifications

References

CAS Number

9005-66-7

Grade

Reagent Grade

MDL Number

MFCD00165345

Molecular Weight

1283.65

EU Commodity Code

38220090

Shipping Temp

Storage Temp

Polysorbate 40; Polyoxyethylene glycol sorbitan monopalmitate

Polyoxyethylenesorbitan monopalmitate is a non-ionic detergent suitable for use in Molecular Biology applications. cell lysis and cell fractionation.

Synonyms

Polysorbate 40; Polyoxyethylene glycol sorbitan monopalmitate

CAS No

9005-66-7

Molecular Weight

1283.65

Appearance

Yellow oily liquid

Melting Point

20°C

Heavy Metals

≤0.001%

Water (KF)

≤3%

Acid Value

≤2

Saponification Value

41-52

Residual Solvents

Conforms to reference

Related Substances

Ethylene Oxide: ≤0.0001% 1-Dioxane: ≤0.001% C16 Palmitic: ≥96%

Residue on Ignition

≤0.25%

Hydroxyl Value

89-105

Color (Gardner)

≤6

Density

1.083 (lit)

Refractive Index

1.47 (lit)

Storage and Stability

Store at RT. Stable for 12 months after receipt.

References

1. Culvenor, J.G., et al., Characteristics of plasma membrane isolated from a mouse T lymphoma line: comparison after nitrogen cavitation, shearing, detergent treatment, and microvesiculation. J. Cell. Biochem. 20, 127-138, (1982). 2. Storrie, B. and Madden, E.A, Isolation of subcellular organelles. Meth. Enzymol. 182, 203-225, (1990). 3. Link, A.J., 2-D Proteome Analysis Protocols. Methods Mol. Biol. Totowa, NJ , (1999) 112