R300.78R604.12 Incl VAT

Cryovials are designed for storing biological material, human cells or animal cells at low temperatures.

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Cryovials are designed to store materials at very low temperatures which can be around -196°C and to be used only in the gas phase of liquid nitrogen with a capacity of 2ml.

How to store liquid nitrogen using cryovials: Since cryovials are used to store liquid nitrogen, cryopreservation, the use of ultra-low temperatures to preserve cell lines and other critical biological materials, has become common practice in modern research. The associated physical hazards of liquid nitrogen, however, carry the risk of serious injury, infection, and specimen contamination in the event of an incident involving cryopreserved materials. When vials are stored within the liquid-phase of liquid nitrogen, liquid nitrogen can leak into the vials during immersion and rapidly expand when removed from storage and warmed to room temperature. The rapid evaporation of liquid nitrogen in a sealed container that can create pressures greater than 10,000 psi if brought to room temperature. Consequently, the vial will shatter when removed from liquid nitrogen storage, creating a hazard from both flying debris and exposure to the contents. Liquid nitrogen is a simple asphyxiant(a substance that can cause unconsciousness or death by suffocation). If released, liquid nitrogen can displace oxygen when sufficient ventilation is not available. Liquid nitrogen (liquid or vapor) exposure can cause extreme burns on contact with skin or eyes. Precautions should be taken to ensure proper personal protective equipment (PPE) and other measures are used when transferring liquid nitrogen or samples stored in liquid nitrogen.

How to handle cryovials in liquid nitrogen: 1) For cryovials immersed in liquid-phase storage, it is advised that tubes are placed in a sealed, unbreakable, plastic container immediately after removal from storage and prior to thawing. Tubes can also be moved from the liquid-phase to the vapor-phase for at least 24-48 hours before removing it from the storage container. 2) Avoid the overfill of cryovials beyond the designated fill line because this will increase the risk of cracking and possible release of contents. Wear cryogenic gloves, lab coat, impact resistant full face shield that also covers the neck, and closed-toe shoes or safety shoes. If possible, store cryovials in the vapor phase of liquid nitrogen freezers. Most manufacturers of cryovials do not recommend liquid-phase storage. 3) When liquid-phase storage is required or necessary, specialized cryoflex tubing or other safety enclosures that can be heat sealed to prevent the entry of liquid nitrogen into cryovials should be used. However, if these items are used incorrectly, the risk of violent rupture is possible.

We supply and deliver in all surrounding areas in Johannesburg (Pretoria, Vereeniging, East rand, South rand and West rand) and around all South Africa by use of courier.


Cryovials 2.0ml (External Thread), Cryovials 2.0ml with seal cap (Internal Thread), self standing – Natural, Purple & Green, Rnase, Dnase, Pyrogen Free, Cryovials 2.0ml with seal cap (External Thread), self standing – Natural, Puprle & Yellow, Rnase, Dnase, Pyrogen Free, Cryovials 5.0ml (External Thread), Cryovials 5.0ml (External Thread) Rnase, Dnase, Pyrogen Free, Cryovials 5.0ml (Internal Thread) Rnase, Dnase,Pyrogen free

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100 per Pack, 200 per Pack, 500 per Pack

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