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Thermo Scientific™ SnakeSkin™ Dialysis Tubing, 3.5K MWCO, 35 mm

Perform desalting and buffer exchange for 10 to 100mL samples with this 3500-MW cut-off (MWCO), ready-to-use form of traditional dialysis membrane tubing.

Manufacturer:  Thermo Scientific™ 88244

Catalog No. PI88244



Thermo Scientific™ SnakeSkin Dialysis Tubing, 3.5K MWCO, is an easy- and ready-to-use form of traditional dialysis membrane tubing that allows desalting and buffer exchange for 10 to 100mL samples.

SnakeSkin Dialysis Tubing, 3.5K MWCO, is composed of regenerated-cellulose dialysis tubing and supplied as an open, pleated (telescoped) tube. SnakeSkin Dialysis Tubing is supplied in eight inch (20cm) sticks containing 35 feet of dialysis tubing having a 16, 22, or 35mm circular internal diameter (I.D.). With similar capacity to 10.5 meters of 23 to 50 diameter dry flat width tubing, the hydrated SnakeSkin Dialysis Tubing holds approx. 2 to 10mL of sample per centimeter of length.


  • Convenient – ready to use, pre-wetted, pleated tube

  • High recovery – greater than 90% protein recovery

  • Speed – dialysis is generally completed in 4 to 6 hours

  • Stability – compatible with a variety of laboratory solutions, including acids, bases, hydrophobic solvents and alcohols

3.5K MWCO Tubing Specifications:

  • Membrane Type: Regenerated cellulose

  • Tubing Nominal Dry Thickness: 0.9 to 1.2mil (22 to 30μm)

  • Glycerol Content: Trace

  • Sulfur Content: 0.1% to 0.15%

  • Heavy Metals Content: Trace



Upon receipt store at room temperature or 4°C. Keep in closed original packaging tube to prevent desiccation, which results in cracks or pinholes in the membrane. For best results, keep membrane hydrated by occasionally adding 1-2 drops of distilled water to the packaging tube.
Approx. 48mL per 5cm length (plus 2.5cm at each end for closure) yields 100 uses
3.5 kDa
Cellulose Membrane, Dialysis
Buffer Exchange, Protein