Liquid nitrogen at -196°C is used to freeze and preserve blood, sperm, embryos, bone marrow and other biological samples without diminishing their intrinsic qualities. Also used in dermatology, it enables the treatment of cutaneous micro-trauma.

Material Safety Data Sheets

WHMIS (Canada) ClassificationClass A: Compressed Gas
Class C: Oxidizing Material
UN NumberUN1066 (gas) ;
UN1977 (liquid refrigerated)
Color Code Cylinder ShroudBlack
HazardsMajor Hazards:
High Pressure & Suffocation
ToxicitySimple Asphyxiate
Flammability limits in air (STP conditions)Non-flammable



Know all of the hazards (fire/explosion, health, chemical reactivity, corrosivity, toxicity, pressure) of the materials you work with. Read the MSDSs and labels for all of the materials you work with and check the label, not the cylinder color, to identify the gas. Only discharge compressed gases safely using devices, such as pressure regulators, approved for the particular gas. Follow your employer’s occupational health & safety guidelines.


We comply with Health Canada Regulations and hold a Drug Identification # for this gas ( DIN # 02248173)

Ordering Information & Technical Details

West Care Medical has an extensive selection of cylinder sizes and materials (aluminum and steel) to help our customers attain their objectives with total satisfaction. Please contact us at 1-888-540-8288.

Recommended Regulators

Please see our catalogue for regulator information

Liquid Nitrogen is used in two ways by our customers:

  • As a gas typically for pneumatic tools used in operating rooms
  • As a liquid for cryobiology applications

One of the main dangers of Nitrogen is that it is an Asphyxiate and does not support life.