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Laughing gas

Laughing gas is a colourless and odourless gas condensed to liquid under pressure. The gas is narcotic, oxidising and oxygen suppressant. Laughing gas is mainly used as a propellant gas in the food industry (amongst other for the whipping cream). In high quality, laughing gas is used in the electronics and semiconductor industry.

Physicochemical constants

Symbol N2O
Average molecular weight (kg/mol) 44.01
Density of the gas (kg/m3 at 1.013 bar and 0 °C) 1.98
Relative density of the gas (air = 1) 1.531
Boiling point - 88.5 °C (184.7 K)
Critical temperature t = 36.4 °C (309.6 K)
Vapour pressure (bar at 20 °C) 51
Density gas phase (kg/m3) - at 0 °C - 1 bar 1.978
Self-ignition temperature Not flammable but oxidising

1 litre liquid N2O releases 540 litres gas at 15 °C. and 1 bar.

Application areas

Specific gases for atomic absorption

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Used for anaesthesia or pain killing

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Used for the foaming of the whipped cream

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Other applications:

  • As propellant gas in the food industry, with coffee concentrates, in the pharmaceutical industry, with beauty products and products for household maintenance
  • As detector of leaks in vacuum rooms by means of infrared spectrophotometry

Delivery forms

Gas form - Cylinders

Content Diameter Height Total weight kg N2O m3 N2O
50 l 22.9 cm ca. 1.70 m ca. 100 kg 37.5 20.00
45 l 22.9 cm ca. 1.55 m ca. 90 kg 33 17.82
27 l 20.4 cm ca. 1.25 m ca. 60 kg 20 10.85
13 l 14.0 cm ca. 1.20 m ca. 30 kg 10 5.40
13 l 20.4 cm ca. 0.70 m ca. 30 kg 10 5.40
10 l 14.0 cm ca. 1.10 m ca. 23 kg 7.5 4.00

More information about our cylinders

Gas form – Cylinder bundles

Content Length Width Height Total Weight N2O
12 bottles (50 l) 1050 800 1990 +/- 1450 kg 450 kg
12 bottles (45 l) 1050 800 1840 +/- 1350 kg 396 kg

More information about our cylinder bundles

Liquid, frozen form

  • in vacuum insulated tanks/containers: documentation on request (15 bar/-25 °C)
  • in small tank containers (645 l) in tank trucks/ tank containers
  • in tank trucks / tank containers

Propellant gas

  • according EU231/2012
  • according HACCP-system
  • E-number: E942
  • Food grade: purity 2.0

Cylinder identification

Colour (according to NBN-EN 1089):

  • the ogive is painted in dark blue RAL 5010
  • the cylindrical part is painted in dark grey RAL 7037

Stop cock connection standard: W21,8 x 1/14”- right /external (NBN226/DIN477)

Stop cock material: brass

Identification: ISO-sticker with ADR-data and H -and P-sentences according CLP

Equipment

Piping systems are pressure and product-linked and must be taken care of by competent people taking into consideration the current standards and legislation. Each gas with its specific purity requires suitable material. IJsfabriek Strombeek can provide you the appropriate material for every application such as: mufflers, flow meters, filters, valves, pressure gauges...

Specification of the quality

Cylinders (gas)

Name N2O vol. % H2O vol. ppm CO2 vol. ppm CO vol. ppm O2 + N2 % vol. NOx vol. ppm NO2 vol. ppm O2 vol. ppm CH4 vol. ppm NO vol. ppm N2 vol. ppm
2.0 * ≥ 99.0 ≤ 10 ≤ 50 ≤ 5 ≤ 0.8 ≤ 1 - - - - -
5.0 ** ≥ 99.999 ≤ 1 ≤ 1 ≤ 1 - - ≤ 0.5 ≤ 1 ≤ 0.5 ≤ 0.5 ≤ 5
Med. N2O ≥ 98.0 ≤ 50 ≤ 300 ≤ 5 - ≤ 1 - - - - -

Med. stands for medical gas

* 2.0 (food grade)

** high purity laughing gas

The specifications are based of the evaporated liquid phase.

Bulk (liquid, frozen)

Name N2O vol. % H2O vol. ppm CO2 vol. ppm CO vol. ppm O2 + N2 % vol. NOx vol. ppm NO2 vol. ppm O2 vol. ppm CH4 vol. ppm NO vol. ppm N2 vol. ppm
2.0 Med. N2O ≥ 99,0 See specification sheet (on request)

Transport and storage takes place with this in vacuum insulated containers.

Safety information

See the safety information sheet (SDS) nr: 093A (to liquid condensed gas) and B (liquid, frozen).