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Test Tubes and Racks
From test tubes and racks to the labels and boxes you’ll use them with. MIDSCI has got your needs covered.
We also have freezer racks and autoclavable racks, stackable storage boxes and freezer boxes, general storage containers and cryogenic storage refrigerators and tanks.
And let’s not forget the labels! Wash-off labels, removable labels, and labels that will never come off (if you need that).
There are so many other quality choices and options for all of these products. MIDSCI has a wide assortment of test tubes, including top-notch centrifuge tubes your research depends on. We carry everything from sterile centrifuge tubes that we promise won’t buckle during spins to specialty centrifuge tubes that are completely blacked out to preserve your light sensitive compounds.
These Items are Back in Stock!
- Sterile
- Certified DNAse, RNAse, pyrogen, and DNA-free.
- Both cap and tube made of polypropylene; ensures secure seal at all temperatures
- Super fast 1¼ turn thread design
- Virtually unbreakable
- Graduated with large white marking area
- Excellent clarity makes sample easy to see
- Packaged in tamper-proof, resealable bags
- Colored cap inserts available in multiple colors
- Pair with the IP Series, EX series and IN series CryoTube
|
IP Series |
EX Series |
IN Series |
Storage conditions: |
LN2 vapor phase only |
LN2 vapor phase only |
LN2 vapor phase only |
Cap threading: |
external |
external |
internal |
Seal type: |
lip |
silicone washer |
silicone washer |
Max RCF: (round bottom tubes only) |
17,000 x g |
17,000 x g |
17,000 x g |
Please give us a call for a sample.
Due to extreme circumstances, the products on this page have long lead times.
Try the TPP Cryotube to meet your needs fast!
Cryogenic MicroTubes
This series of tubes is available either plain or with printed graduations and white marking area for sample identification. The caps do not have the attachment loops for users who prefer to remove the caps completely from the tubes when filling or sampling. These microcentrifuge tubes have all the other fine features stated in the general description. Perfect for cryogenic work. Non skirted tubes can be centrifuged up to 20,000g. Skirted tubes can be centrifuged up to 17,000g.
Will withstand temperatures from -196 °C to +121 °C.
Tubes and caps (with CMT as part number) are certified RNase, DNase, DNA and Pyrogen free.
Polycarbonate Cryo or Freezer Boxes
New ultra-low temperature storage boxes are designed to hold 1.2 mL to 2.0 mL cryogenic storage vials.
- Convenient hinged lid
- Unique barcode on every box
- Includes drainage slots for LN2
- Fully autoclavable and withstand temperatures ranging from -196° to +121°C.
- Compatible with all standard 5.25 inch (133 mm) freezer racks.
- Clear lids are hinged.
- Printed indexing for sample identification purposes.
An excellent and long-lasting replacement for cardboard boxes.
Cryostore™ Cryogenic Boxes
Made of extra strong polycarbonate, these durable cryogenic storage boxes are designed to be used at temperatures from -190°C to +121°C and are autoclavable. Different models are available to accommodate either 81 or 100 CryoTubes from 1 mL to 5 mL.A transparent lid allows the user to see the contents of the box, and is keyed to the base to prevent misalignment. The surface of the lid is printed with a numbered grid and can be written on using markers for better inventory control. The boxes are stackable and also compatible with metal freezer racks.
- CSB225 Series: For Use With IP, EX, and IN Series CryoTubes from 1.0 mL to 2.0 mL
- CSB481 Series: For Use With IP, EX, and IN Series CryoTubes from 3.0 mL to 4.0 mL
- CSB281 Series: For Use With IP, EX, and IN Series CryoTubes from 1.0 mL to 2.0 mL
- CSB581 Series: For Use With IP, EX, and IN Series CryoTubes from 3.0 mL to 5.0 mL
- CSB2100 Series: For Use With IN Series CryoTubes Only from 1.0 mL to 2.0 mL
The Argos Pellet Mixer is a lightweight battery powered hand held homogenizer that can be used with disposable pestles, mixers and micro tubes. Cell tissue and pellets are completely homogenized within seconds by means of a high speed vortexing action. Greatly reduces hand fatigue. Comes complete with 2 "AA" batteries and Pestle/Mixer adapter.
Labcon SuperClear® Caps
Plug Style Caps for Culture Tubes.
- Endotoxin Free (non-pyrogenic)
- Polyethylene USP Class VI resin
- Not autoclavable
- Natural white color
Dual position aspirating cap for culture tubes. Cap includes plug position and open aspirating position.
Proudly made in the USA! Click here for more made in America products!
SuperClear™ Culture Tubes and Caps
- Ultra-clear resin
- Colored tubes available
- Medical grade (U.S.P.) packaging
- Thicker walls will not crush
These precision-molded, conical and round bottom tubes are perfect for a multitude of general laboratory uses. Precision crafted of extra clear virgin polypropylene in natural and colors or clear virgin polystyrene. Tube caps are made of low-density polyethylene for a secure seal and are available in a fluted plug style or dual position design that permits sample aspiration.
Polypropylene tubes are autoclavable to 122°C and freezable to -80°C. Polystyrene tubes are not autoclavable but have a nominal temperature range between 90°C and -40°C. Polyethylene caps are not autoclavable but are available pre-sterilized with many of the tube packages.
Polypropylene tubes can be centrifuged to 3000 RCF and polystyrene tubes will withstand 1500 RCF. (RCF; Relative Centrifugal Force, is not equivalent to RPM)
Heathrow Scientific® Coated Wire Racks
Designed specifically for safe transport and storage of conical and round-bottom tubes, Heathrow Scientific® Coated Wire Racks provide unmatched durability and chemical resistance. Constructed from sturdy wire and coated with robust high-density polyethylene (HDPE), these racks offer excellent protection against rust and corrosion, making them ideal for long-term use in demanding lab environments.
These laboratory tube racks feature multiple deck levels and a slotted bottom, offering enhanced stability and support during use. With an autoclavable design and wide temperature resistance from -40 to 121°C, they are perfect for a wide range of laboratory applications.
Key Features
- HDPE-coated wire construction for enhanced longevity
- Rust and corrosion-resistant
- Autoclavable for sterilization and reusability
- Chemical-resistant for use with various reagents
- Operates in a wide temperature range: -40°C to 121°C
- Slotted bottom for extra tube support
- Multiple deck levels ensure tubes stay securely in place
- One-Well Tube Rack Option Available
- Open design for easy sample identification
- Base ring keeps the tube stable and upright
Specifications
Item # | Color | Tube Size | Capacity | Well Diameter | Dimensions (D x W x H) |
HS23072 | Blue | 5-10 mL | 72 Wells | 13-16 mm | 9.5 x 5.0 x 2.6 In. | 24.1 x 12.7 x 6.6 cm |
HS23108 | Red | 5-10 mL | 108 Wells | 13-16 mm | 9.3 x 5.0 x 2.6 In. | 23.6 x 12.7 x 6.6 cm |
HS23215 | Blue | 15 mL | 15 Wells | 16-20 mm | 5.0 x 3.0 x 3.0 In. | 12.7 x 7.6 x 7.6 cm |
120764 | Blue | 15 mL | 40 Wells | 16-20 mm | 9.5 x 3.9 x 3.1 In. | 24.1 x 9.9 x 7.9 cm |
120765 | Blue | 15 mL | 80 Wells | 16-20 mm | 9.5 x 7.6 x 3.1 In. | 24.1 x 19.3 x 7.9 cm |
HS232461 | Blue | 50 mL | 8 Wells | 25-30 mm | 5.8 x 3.2 x 3.5 In. | 14.7 x 8.1 x 8.9 cm |
HS23051 | Yellow | 50 mL | 1 Well | 29 mm | 3.5 x 2.6 x 2.6 In. | 9.0 x 6.7 x 6.7 cm |
HS23224 | Blue | Large Vol. | 6 Wells | 55-60 mm | 8.1 x 5.3 x 4.1 In. | 20.5 x 13.5 x 10.4 cm |
ClearSeal™ Generic Screw Cap Microcentrifuge Tubes
Sterile, Leak-Proof, Ultra-Clear.
ClearSeal™ Generic Screw Cap Microcentrifuge Tubes are designed for superior sample protection and storage. Made from ultra-clear polypropylene, these sterile microcentrifuge tubes feature pre-assembled screw caps with secure silicone O-rings, ensuring a 100% leak-proof seal under extreme conditions—from
-86°C to +121°C.
Available in multiple sizes and configurations, including a convenient loop-cap option on the 2.0 mL size, ClearSeal™ tubes meet the needs of both research laboratories and diagnostic/reagent packaging applications. Each tube is certified RNase, DNase, and pyrogen-free, making them ideal for sensitive biological samples.
ClearSeal™ microtubes can be centrifuged at up to 22,000 x g* and are packaged in resealable bags of 50 for ease of use and contamination control. Available in single-color cap packs of 1000.
Key Features
- Leak-proof O-ring screw cap for secure sealing
- Ultra-clear polypropylene for easy sample visibility
- Sterile; free from RNase, DNase, and pyrogens
- Withstands -86°C to +121°C
- Centrifuge-safe up to 22,000 x g*
- Available in loop-cap version (2.0 mL)
- Resealable bags of 50 for convenient storage
- Single-color cap packs (1000/pk)
- White, printed graduations for easy volume identification
*Performance based on liquids with specific gravity of 1.0 using compatible rotors and adapters.
ClearSeal™ Graduated Screw Cap Microcentrifuge Tubes
Sterile, Leak-Proof, Ultra-Clear.
ClearSeal™ Graduated Screw Cap Microcentrifuge Tubes are designed for superior sample protection and storage. Made from ultra-clear polypropylene, these sterile microcentrifuge tubes feature pre-assembled screw caps with secure silicone O-rings, ensuring a 100% leak-proof seal under extreme conditions—from -86°C to +121°C.
Available in multiple sizes and configurations, including a convenient loop-cap option on the 2.0 mL size, ClearSeal™ tubes meet the needs of both research laboratories and diagnostic/reagent packaging applications. Each tube is certified RNase, DNase, and pyrogen-free, making them ideal for sensitive biological samples.
ClearSeal™ microtubes can be centrifuged at up to 22,000 x g* and are packaged in resealable bags of 50 for ease of use and contamination control. Available with white, printed graduations and in single-color cap packs of 1000.
Key Features
- Leak-proof O-ring screw cap for secure sealing
- Ultra-clear polypropylene for easy sample visibility
- Sterile; free from RNase, DNase, and pyrogens
- Withstands -86°C to +121°C
- Centrifuge-safe up to 22,000 x g*
- Available in loop-cap version (2.0 mL)
- Resealable bags of 50 for convenient storage
- Single-color cap packs (1000/pk)
- White, printed graduations for easy volume identification
*Performance based on liquids with specific gravity of 1.0 using compatible rotors and adapters.
Cool Safe Sample Chill System
- Versatile - Designed for 0.2ml tubes (strips or trays), 96-well and 384-well microplates, 0.5 mL, 1.5 mL, 5 mL tubes.
- Specially Formulated - Cool Bricks maintain a constant temperature (1°C or 10°C) for up to 10 hours.
- Quality Engineering - Each aluminum Cool Chamber surrounds tubes to guarantee sustained cold temperatures.
- Durable - The CoolSafe box is made of triple density expanded polystyrene and molded under extreme pressure creating a durable container that guarantees temperature stability.
- Easy To Use - Easily interchange Cool Chambers and Cool Bricks for different sized tubes.
Proudly made in the USA! Click here for more made in America products!
Labcon 24 and 48 Place Bench Top Racks
- Hold 1.5 mL, 1.7 mL, and 2.0 mL microtubes
- Freezable (-190°C) and autoclavable (122°C)
- Racks float in water baths
Labcon 24-Place and 48-Place micro centrifuge tube and cryo-vial storage system. For 1.5 mL and 2.0 mL tubes. These racks fit into Labcon pipette tip boxes and are made of recycled plastic. Fully autoclavable (122°C) and freezable (-190°C). Stackable racks float in your water bath and can incorporate dry ice for use with frozen samples on the bench.
Specifications
Material | 100% Polypropylene |
Grade | Medical |
Rating | USP Class VI |
Color | White |
Length | Various |
Fits | 1.5 to 2 mL Tubes |
Approved Use | Medical, Research, Industrial, Food and Beverage |