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Nitrogen Monoxide Gas NO

Nitric oxide is a colorless, odorless, and highly toxic gas at room temperature and pressure. It does not burn in air, but it can support combustion. Nitric oxide is immediately oxidized in the air and rapidly converted into a mixture of NO2 and N2O4. The toxicity of nitric oxide is mainly caused by the strong toxicity of the converted NO2.
Availability:
Quantity:
  • 10142-43-9

  • OEM/ODM

Technical Indicators

Components/Impurities

Nitric oxide/3.0N

Nitric oxide/4.0N

Nitric oxide content NO

99.9%

99.99%

Carbon dioxide CO2

≤100ppm

≤20ppm

Nitrous oxide N2O

≤500ppm

≤30ppm

Nitrogen dioxide NO2

≤300ppm

≤30ppm

Nitrogen N2

≤50ppm

≤20ppm


The Packing

Type of cylinder

Gas pressure

Gas volume

Net weight of gas

49L DOT cylinder

3.5MPa

1600L

2.2kg

40L cylinder

3.5MPa

1400L

1.9kg

8L cylinder

3.5MPa

288L

0.3kg

4L cylinder

3.5MPa

144L

0.15kg

Cylinder interface: CGA660 or QF-21A stainless steel cylinder valve


Transport information

Transportation information

Chemical symbol

NO

GAS No.

10142-43-9

Levels of danger

2.3

DOT tags

toxic gas

Canadian Shipping Classification

toxic gas

Substance Identification (S) No.

1660

UN No.

UN 1660

Main hazards

poisonous

Toxicity (TLV)

310mg/m3


Physical properties

Physical properties

Chemical name

NO

Molar mass

30.006

Gas density (0℃, 101.325kPa):

1.340kg/m3

Relative density (air=1, 25℃, 101.325kPa):

1.036

Gas-liquid volume ratio (15℃, 100kPa)

1040L/L

Critical temperature

-92.9℃

Critical pressure

6550kPa

Critical density

517kg/m3

Compression factor

Temperature(℃)/Pressure

100kPa 1000kPa 3000kPa 6000kPa

15℃

0.9992 0.9907 0.9727 0.9478

50℃

0.9994 0.994 0.9831 0.9696

Heat of fusion (-151.8℃, 21.9kPa)

76.62kJ/kg

Heat of vaporization (-151.75℃, 101.325kPa)

461.39kJ/kg

Specific heat capacity (gas, 15℃, 101.325kPa)

Cp=974.04J/(kg • K)

Cv=696.23J/(kg • K)

Specific heat ratio (gas, 15℃, 101.325kPa)

Cp/Cv=1.400

Vapor pressure (-160℃)

37kPa

(-140℃)

350kPa

(-100℃)

4750kPa

Viscosity (101.325kPa, 0℃)

0.018008mPa • S

Thermal conductivity (101.325kPa, 0℃)

0.02349W/(m•K)

Refractive index (gas, 0℃, 101.325Pa)

1.000297


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