Microcentrifuge tubes are small, usually polypropylene tubes for spinning and storing samples in molecular biology, biochemistry and clinical work. This category covers sizes from 250 µL and 0.5 mL through 0.6, 1.5 and 2.0 mL to 5 mL macro tubes, with attached snap caps, flat tops, lock-top caps and screw caps with O-rings. Options include sterile or non-sterile, graduated or plain, natural, amber, black and colored tubes, self-standing and conical bottoms, low retention tubes and lots certified for the absence of RNase, DNase and pyrogens. Racks and tube-and-pestle sets are listed too.

Choose the volume first, then check that the tube fits your centrifuge rotor or the adapters you have. Pick a screw cap with an O-ring for heating, freezing or shipping, where a snap cap could open, and a snap cap for quick bench work. Use sterile tubes certified for the absence of nucleases for RNA and DNA work, amber or black tubes for light-sensitive samples, and low retention tubes when small volumes must not be lost on the tube wall. Check the maximum g-force rating against your protocol.

Microcentrifuge: common questions

Will 1.5 mL tubes fit any microcentrifuge?

Standard 1.5 mL and 2.0 mL tubes fit the rotors of most microcentrifuges. Smaller 0.5 mL and 0.2 mL tubes usually need adapters or a rotor with matching holes, and 5 mL tubes need a rotor made for them. Screw-cap and self-standing tubes can have a different outer shape, so check the tube dimensions against your rotor before ordering a large quantity.

Should I use snap-cap or screw-cap microtubes?

Snap caps are quick to open and close and suit routine pipetting and short spins. Screw caps with an O-ring seal more securely, so they are a better choice for heating or boiling samples, freezing and thawing, long-term storage and shipping, where pressure or temperature changes could open a snap cap. Screw-cap tubes generally cost more per tube.

What are low retention microcentrifuge tubes?

Low retention tubes have an inner surface made or treated so that less liquid, protein or nucleic acid sticks to the tube wall. They help when you work with small volumes, dilute samples or costly reagents, because more of the sample can be recovered. For ordinary buffers and larger volumes, standard tubes are usually adequate.

Microcentrifuge

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  1. CAP ONLY, Screw Top Micro Tube Cap, O-Ring, Translucent, Yellow, Non-sterile, CS1000
    Manufacturer: CELLTREAT Scientific Products
    Translucent and Opaque Cap O-rings ensure leak-proof seal, and are a highly visible contrasting color All caps are compatible with all CELLTREAT Screw Top Micro Tubes; mix and match (1000 per CS)
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    was $182.00 Special Price $134.17
  2. Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Blue
    Manufacturer: Globe Scientific
    Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Blue (8 per CS)
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    was $251.30 Special Price $183.24
  3. Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Amber, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag
    Manufacturer: Globe Scientific
    Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Amber, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag (5000 per CS)
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    was $381.50 Special Price $278.18
  4. Snap-N-Rack Tube Rack for 1.5mL and 2.0mL Microcentrifuge Tube, 100-Place, PP, Red
    Manufacturer: Globe Scientific
    Snap-N-Rack Tube Rack for 1.5mL and 2.0mL Microcentrifuge Tube, 100-Place, PP, Red (20 per CS)
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    was $710.30 Special Price $517.92
  5. Centrifuge tube mini-cooler -70degrees C, each
    Manufacturer: Brandtech Scientific
    Centrifuge tube mini-cooler -70degrees C, each (1 per EA)
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    was $271.20 Special Price $253.55
  6. Snap-N-Rack Tube Rack for 1.5mL and 2.0mL Microcentrifuge Tube, 100-Place, PP, Yellow
    Manufacturer: Globe Scientific
    Snap-N-Rack Tube Rack for 1.5mL and 2.0mL Microcentrifuge Tube, 100-Place, PP, Yellow (20 per CS)
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    was $710.30 Special Price $517.92
  7. Macrocentrifuge Tube, 5.0mL, PP, Assembled Red Screw Cap, Graduated, STERILE, 50/Rack, 10 Racks/Unit
    Manufacturer: Globe Scientific
    An efficient and economical alternative to 15mL conical tubes when working with sample volumes between 2.0mL and 5.0mL. (500 per CS)
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    was $157.00 Special Price $114.48
  8. 2.0mL G-Tube, Flat Top Microcentrifuge Tube, Sterile, Lavender, PK500
    Manufacturer: Bio Plas
    The G-Tube™ Flat Top Microcentrifuge Tube is virtuallytransparent and far exceeds the toughness of any microcentrifuge tubes. When the G-Tube™ Flat Top Microcentrifuge Tube cap is closed there will be an audible "snap" that indicates a secure closure has been formed.Made of tough, clear, proprietary formulated polypropylene, the0.6mL, 1.5mL and 2.0mLG-Tube™ has the same chemicalresistant quality as standardtubes, but they're sturdier andvirtually transparent to give abetter view. The flat top cap iseasy to open and still provides amaximum secure seal. All three volumes are available in siliconized material. Siliconized G-Tubes™ are not recommended for autoclaving. The G-Tube™ is built for highimpact usage and willwithstand over 30,000 x g whenspun. Thicker walls make thisthe tube of choice for extreme stress, high spinning speeds, autoclaving, boiling, chemical resistance and freezing. Willwithstand temperature rangesof -80°C (-112°F) to 121 °C(250°F) (500 per PK)
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    was $123.52 Special Price $108.08
  9. 5mL Flat Top Microcentrifuge Tube, Clear, PK200, CS1000
    SKU: 4400-PK
    Manufacturer: Bio Plas
    5mL Flat Top Microcentrifuge Tube, Clear, PK200, CS1000 (200 per PK)
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    was $91.05 Special Price $79.67
  10. 0.6mL G-Tube, Flat Top Microcentrifuge Tube, Sterile, Green, PK500, CS10000
    Manufacturer: Bio Plas
    The G-Tube™ Flat Top Microcentrifuge Tube is virtuallytransparent and far exceeds the toughness of any microcentrifuge tubes. When the G-Tube™ Flat Top Microcentrifuge Tube cap is closed there will be an audible "snap" that indicates a secure closure has been formed.Made of tough, clear, proprietary formulated polypropylene, the0.6mL, 1.5mL and 2.0mLG-Tube™ has the same chemicalresistant quality as standardtubes, but they're sturdier andvirtually transparent to give abetter view. The flat top cap iseasy to open and still provides amaximum secure seal. All three volumes are available in siliconized material. Siliconized G-Tubes™ are not recommended for autoclaving. The G-Tube™ is built for highimpact usage and willwithstand over 30,000 x g whenspun. Thicker walls make thisthe tube of choice for extreme stress, high spinning speeds, autoclaving, boiling, chemical resistance and freezing. Willwithstand temperature rangesof -80°C (-112°F) to 121 °C(250°F) (10000 per CS)
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    was $2,419.00 Special Price $2,116.62
  11. Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Blue, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag
    Manufacturer: Globe Scientific
    Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Blue, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag (5000 per CS)
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    was $311.00 Special Price $226.77
  12. Loop-cap 1.5mL Microtube, 10 bags of 100 tubes, 1000/cs
    Manufacturer: MTC Bio
    Loop-cap 1.5mL Microtube, 10 bags of 100 tubes, 1000/cs (1000 per PK )
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    was $238.45 Special Price $167.03
  13. Reversible Rack for Microcentrifuge Tubes, 80-Place for 1.5mL and 2.0mL and Reverse Side is 60-Place for 0.2mL and 0.5mL Tubes, 5 Assorted Colors/Pack
    Manufacturer: Globe Scientific
    Reversible Rack for Microcentrifuge Tubes, 80-Place for 1.5mL and 2.0mL and Reverse Side is 60-Place for 0.2mL and 0.5mL Tubes, 5 Assorted Colors/Pack (25 per CS)
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    was $343.90 Special Price $250.76
  14. Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Blue, 50/Bag, 4 Bags/Unit
    Manufacturer: Globe Scientific
    An efficient and economical alternative to 15mL conical tubes when working with sample volumes between 2.0mL and 5.0mL. (200 per PK)
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    was $60.00 Special Price $43.75
  15. Macrocentrifuge Tube, 5.0mL, PP, Separate Red Screw Cap, Graduated, 100 of Each/Bag, 5 Bags of Each/Carton
    Manufacturer: Globe Scientific
    An efficient and economical alternative to 15mL conical tubes when working with sample volumes between 2.0mL and 5.0mL. (500 per CS)
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    was $144.00 Special Price $105.00
  16. Biologix green PP nonsterile screw cap with o-ring seal, CS5000
    Manufacturer: Biologix
    Biologix green polypropylene non-sterile screw cap with o-ring seal (for use with microtubes). tubes sold separately. 500 caps/pack, 10 packs/case (5000 per CS )
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    was $170.31 Special Price $136.38
  17. Reversible Rack with Cover for Microcentrifuge Tubes, 96-Place for 1.5mL and 2.0mL and Reverse Side is 96-Place for 0.2mL and 0.5mL Tubes, 5 Assorted Colors/Pack
    Manufacturer: Globe Scientific
    Reversible Rack with Cover for Microcentrifuge Tubes, 96-Place for 1.5mL and 2.0mL and Reverse Side is 96-Place for 0.2mL and 0.5mL Tubes, 5 Assorted Colors/Pack (25 per CS)
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    was $587.60 Special Price $428.46
  18. Snap-N-Rack Tube Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, 100-Place, PP, White
    Manufacturer: Globe Scientific
    Snap-N-Rack Tube Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, 100-Place, PP, White (20 per CS)
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    was $710.30 Special Price $517.92
  19. Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Yellow, Certified: Rnase, Dnase and Pryogen Free, 500/Stand Up Zip Lock Bag
    Manufacturer: Globe Scientific
    Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Yellow, Certified: Rnase, Dnase and Pryogen Free, 500/Stand Up Zip Lock Bag, PK500 (500 per PK)
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    was $25.70 Special Price $18.74
  20. Microtube, 0.5mL, Self-Standing, Attached Screwcap for Color Insert, with O-Ring, STERILE, PP, 100/Bag, 10 Bags/Unit
    Manufacturer: Globe Scientific
    Microtube, 0.5mL, Self-Standing, Attached Screwcap for Color Insert, with O-Ring, STERILE, PP, 100/Bag, 10 Bags/Unit, CS1000 (1000 per CS)
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    was $469.70 Special Price $342.49
  21. Reversible Rack for Microcentrifuge Tubes, 80-Place for 1.5mL and 2.0mL and Reverse Side is 60-Place for 0.2mL and 0.5mL Tubes, 5 Assorted Colors/Pack
    Manufacturer: Globe Scientific
    Reversible Rack for Microcentrifuge Tubes, 80-Place for 1.5mL and 2.0mL and Reverse Side is 60-Place for 0.2mL and 0.5mL Tubes, 5 Assorted Colors/Pack, PK5 (5 per PK)
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    was $69.10 Special Price $50.39
  22. Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Midnight Light Blocking Black, 50/Bag, 4 Bags/Unit
    Manufacturer: Globe Scientific
    An efficient and economical alternative to 15mL conical tubes when working with sample volumes between 2.0mL and 5.0mL. (200 per PK)
    Learn More
    was $60.00 Special Price $43.75
  23. Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Yellow, 50/Bag, 4 Bags/Unit
    Manufacturer: Globe Scientific
    An efficient and economical alternative to 15mL conical tubes when working with sample volumes between 2.0mL and 5.0mL. (200 per PK)
    Learn More
    was $60.00 Special Price $43.75
  24. CAP ONLY, Screw Top Micro Tube Cap, O-Ring, Opaque, Red, Non-sterile, CS1000
    Manufacturer: CELLTREAT Scientific Products
    Translucent and Opaque Cap O-rings ensure leak-proof seal, and are a highly visible contrasting color All caps are compatible with all CELLTREAT Screw Top Micro Tubes; mix and match (1000 per CS)
    Learn More
    was $182.00 Special Price $131.25
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