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Electron Microscopy Sciences

Cryo Supplies and Accessories

arrow13CryoDewars, Liquid Nitrogen Flasks, and Cryo Canes

nalgene polyethylene dewar flaskarrow12Nalgene® Polyethylene Dewar Flask

High density polyethylene Dewar Flask with vented and insulated HDPE covers. They are unbreakable, chemically resistant, and withstand temperatures from -196 to 100°C (-321 to 212°F). Double walls are filled with foamed urethane to minimize heat exchange. May be used for short term storage of dry ice-solvent, liquid nitrogen, or for use as a hot bath. They are ideal for storing frozen biological specimens. All available sizes feature molded-in-ribs for stability and a carrying handle on the 1, 2, and 4 liter sizes.

Catalog # Capacity L Overall height mm/in Mouth I.D. mm/in Price  
62038-01 1 299/9 95/3 242.00 Add to Cart
62038-02 2 260 121 256.00 Add to Cart
62038-04 4 324 146 260.00 Add to Cart
62038-10 10 457 197 475.00 Add to Cart

Replacement Covers for Dewar Flasks

Catalog # For Dewer No. Qty    
62039-01 62038-01 5/pk 142.00 Add to Cart
62039-02 62038-02 5/pk 133.00 Add to Cart

Narrow Mouth Dewarsarrow12Narrow Mouth Dewars

Lab grade dewars. Made from borosilicate glass and vacuumed to 10-7 torr, without pads between walls, eliminating heat transfer for maximum efficiency. They come with low evaporation stopper and weighted base.

Spherical Dewar Flask

Metal Casting does not extend the full length of the flask. Florence flask design, offers the most efficient way of holding liquid nitrogen. Available with an optional Fiber Glass Caddie for safety, easy carrying, and decanting liquids from the above flasks.

Catalog # Vol. ml Neck (mm) Depth (mm) Price
  I.D. O.D. Int. Ext.    
62019-20 2 L 32 174 335 386 625.00 Add to Cart
62019-50 5 L 53 255 370 456 875.00 Add to Cart
62019-22 Dewar Caddie for 62019-20 each 450.00 Add to Cart
62019-52 Dewar Caddie for 62019-50 each 375.00 Add to Cart

cryogenic liquid nitrogen transfer vesselarrow12Cryogenics Liquid Nitrogen Transfer Vessels

Thermo-Flask provides safe extended temperature retention for specimens stored in liquid nitrogen or solid CO2, and thus have a broad range of applications in industrial, educational, and clinical fields.

Thermo-Flask features borosilicate glass inner liners which have been evacuate to 1x10-5 mm of Hg to provide maximum coolant retention.

Example of Possible Retention Times at 80% Full Liquid Nitrogen Retention:




Stainless Steel Thermo-Flask with Handle and Lidarrow101. Stainless Steel Thermo-Flask® with Handle and Lid
  • Durable, corrosion-resistant stainless steel exterior construction with carrying handle and vented lid secured by toggle clamps
  • Recommended for the safe transport of liquid nitrogen
Catalog # Capacity liters I.D. inches O.D. inches Height inches Set Price  
61891-01 1.0 3⅓ 4⅝ 9 375.00 Add to Cart
61891-02 2.0 5⅝ 10½ 403.00 Add to Cart
61891-04 4.5 6 13¾ 577.00 Add to Cart
TDSShallow Wide Mouth Flasksarrow102. Shallow Wide Mouth Flasks
  • Convenient dish-shaped design is ideal for bench top use with crushed ice, dry- ice, or alcohol
  • Also great as a hot liquid container
  • Stainless steel jacket and cushioned base will provide years of trouble-free use
  • Excellent for use as a cold trap
Catalog # Capacity (ml) I.D. inches O.D. inches Height inches Set Price  
61892-05 500 6 350.00 Add to Cart
61892-10 1000 5⅜ 7 4⅛ 398.00 Add to Cart
61892-19 1900 6 399.00 Add to Cart
enameled steel thermo flaskarrow103. Enameled Steel Thermo-Flasks®
  • Safe storage of liquified gases, temperature retention, and versatility at an economical price
  • Enameled steel exteriors, borosilicate glass liners and cushioned bases
  • 62029 includes an insulated lid and fold-down carrying handle
  • Ideal for cold traps
Without lids and carrying handles.
Catalog # O.D. inches I.D. inches Height inches Capacity liters Set Price  
62020 1⅝ 0.2 160.00 Add to Cart
62022 2⅜ 11¼ 0.65 282.00 Add to Cart
62023 3 11.0 1.1 285.00 Add to Cart
62024 5 11 3/8 1.5 322.00 Add to Cart
The following model includes a lid and handle.
62029 9 1/8 8 17 1/8 10.0 995.00 Add to Cart

Vial Canesarrow12Cryogenic Vial Canes

Organize cryogenic samples in Dewars

Aluminum canes hold vials for freezer storage or immersion in LN2 Dewar. For use in liquid phase, use approved vials only. Canes bend to fit all major cryogenic vial brands.

Catalog # Length Vials Vial Size Qty    
61067-03 290 mm 5 Up to 2.0 ml 12/pk 32.50 Add to Cart
61067-13 300 mm 6 Up to 5 ml 12/pk 32.50 Add to Cart

cryo storage canesarrow12Cryo Storage Canes

Made from aluminum, 11-5/16" (28.7 cm) long. Firmly holds most Cryo Vials for liquid nitrogen storage. It stores up to 6 standard cryo vials.

61080-10 CryoStorage™ Cane 10/pk 26.00 Add to Cart
61080-50 CryoStorage™ Cane 50/pk 92s.00 Add to Cart

cryoflex tubingarrow12CryoFlex® Tubing

CryoFlex® is a hollow tube from polyethylene which is useful for encasing and sealing cryo vials, when storing samples immersed in liquid nitrogen. The tubing measures 9/16" diameter x 19-11/16" long (1.4 x 50 cm)

61083-10 CryoFlex® Tubing 15/pk 15/pack 93.50 Add to Cart


Clear polyvinyl chloride. Ideal for enclosing Cryo Storage Canes for extra security during handling and storage. Fits over most other canes. Will not become brittle during freezing or thawing. Will not shred or tear after repeated use like cardboard. Length: 10-13/16" (27.5cm L).

61082-10 Cryo Sleeve® 100/pack 91.00 Add to Cart
cryogenic grid storage box

arrow12Cryogenic Grid Storage Boxes

These specimen grid boxes are tools for storing or transferring cryogenic TEM specimen grids.

  • Four diamond shaped slots
  • Non-static clear covershield held in place with stainless steel screw, which is tapped in the center of the box
  • Box fits the FEI Vitrobot™, Gatan 626™, Gatan 3500™
  • Available with lid, pin-type lid, or without lid
71166-10 Cryo Grid Box, Round, w/Lid each 9.95 Add to Cart
71166-10-W Cryo Grid Box, Round, w/Lid, White each 9.95 Add to Cart
71166-20 Cryo Grid Box, Square, w/Lid each 9.95 Add to Cart
71166-30 Cryo Grid Box, Round, wo/Lid each 7.40 Add to Cart
71166-40 Cryo Grid Box, w/Pin Type Lid for FEI Vitrobot each 19.00 Add to Cart
71166-50 Cryo Grid Box, w/Pin Type Lid each 13.00 Add to Cart
71166-60 Cryo Grid Box, w/Lid, Sq for Gatan CT3500 each 18.50 Add to Cart

cryogenic grid handling toolarrow12Cryogenic Grid Box Handling Tool

This tool has one end which is threaded and fits into the center hole of the Cryogenic Grid Storage Box (where the screw goes in to secure the lid) for moving the box in and out of the cryogenic chamber.

71165-50 Cryogenic Grid Box Handling Tool each 19.95 Add to Cart
CryoEM Puck
  • 71168a
  • 71168b
  • 71168c
  • 71168d
  • 71168e
  • 71168f
  • 71168g
  • 71168h
  • 71168i

arrow12EMS Cryo Pucks

Organized storage and transport for Cryo-EM specimen grids under cryogenic conditions

  • 12 wells per puck for Cryo Grid Boxes
  • Each puck has a unique alpha-numeric code for easy identification
  • Indexed wells for sample tracking
  • Holds round Cryo Grid Boxes
  • Puck depth accomodates pin type lid style Cryo Grid Boxes
  • When using Cryo Grid Boxes with flat-style lids, you can store up to 24 Cryo Grid Boxes per puck
  • Special tweezer slots allow easy and secure removal of Cryo Grid Boxes
  • Shelved shipping Cane holds up to seven pucks
  • Shelved Storage Cane
71168-01 EMS Cryo Pucks Complete Set
(7) EMS Cryo Pucks
(1) Shelved Puck Shipping Cane
(1) Shelved Storage Cane
(1) Angled Cryo-Tongs
(1) Protective Storage Case
set 2,397.00 Add to Cart
71168-02 EMS Cryo Pucks each 110.00 Add to Cart
71168-07 EMS Cryo Pucks 7/pk 730.00 Add to Cart
71168-08 EMS Cryo Puck Storage Case each 290.00 Add to Cart
71168-09 Shelved Storage Cane (holds 10 pucks) each 400.00 Add to Cart
71168-10 Double Puck Loading Dewar with Lid each 325.00 Add to Cart
71168-11 Bent Cryo Tong each 142.00 Add to Cart
71168-12 Shelved Puck Shipping Cane each 892.00 Add to Cart
71168-13 Cryo Express Dry Shipper with Case each 1,450.00 Add to Cart

Aluminum Base Moldsarrow12Aluminum Base Mold

  • Extra large square base mold
  • Made from aluminum, offering optimal thermal conductivity
  • Features a well polished surface for easy block removal
  • Will accomodate most samples
  • Interior corner radius: .250" (6.35 mm)
  • Interior dimensions: 1.97 x 1.97 x 1.18" (50 x 50 x 30 mm)
  • Exterior dimensions: 2.5 x 2.5 x 1.375" (63.50 x 63.50 x 34.93 mm)
62547-15 Aluminum Base Mold each 40.00 Add to Cart

disposable plastic Cryomoldsarrow12Tissue-Tek® Cryomold®; Sakura Finetek

These disposable plastic Cryomolds produce a uniformly shaped flat surface specimen block with tissue freezing medium (O.C.T.) for frozen sectioning, Standard Cryomold fits directly into Cryobar® freezing wells of the Tissue-Tek® II microtome/cryostat. Use a Cryomold® adapter to adapt smaller biopsy and intermediate Cryomold® molds to freezing wells on the Cryobar® unit.

Not for sale overseas
Catalog # Tissue-Tek Description Pack Price  
62534-25 4557 Standard, 25 x 20 x 5 mm 100/pk 23.50 Add to Cart
62534-10 4565 Biopsy, 10 x 10 x 5 mm 100/pk 23.50 Add to Cart
62534-15 4566 Intermediate 15 x 15 x 5 mm 100/pk 23.50 Add to Cart
62535-15 4568 Intermediate Cryomold Adapter 12/pk 28.00 Add to Cart

Dry Ice Makers arrow13arrow13