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Trifluoromethane Electronic Gases CHF3

Trifluoromethane is a colorless, odorless and non-toxic gas at room temperature and
pressure. Chemically inactive, it does not burn in the air, but decomposes at high
temperature to produce toxic gases.
Availability:
Quantity:
  • 75-46-7

  • OEM/ODM

Technical Indicators

Components/Impurities

Trifluoromethane/5.0N

Trifluoromethane content CHF3

99.999%

Oxygen O2

﹤2.0ppm

nitrogen N2

﹤5.0ppm

carbon dioxide CO2

﹤3.0ppm

Water H2O

﹤3.0ppm

Acidity (HCl)

﹤0.1ppm


The Packing

Type of cylinder

Gas pressure

Gas volume

Net weight of gas

43.3L DOT cylinder

4MPa

11m3

31.8kg

Cylinder interface: CGA660


Transport information

Transportation information

Chemical symbol

CHF3

GAS No.

75-46-7

DOT Shipping Class

2.2

DOT tags

non-combustible gas

Substance Identification (S) No.

1984

UN No.

UN 1984

Main hazards

non-combustible gas

Toxicity (TLV)

asphyxia

Explosion limit (in air)

non-combustible gas

Smell

odorless


Physical properties

Physical properties

Chemical name

CHF3

Molar mass

70.014

Melting point (101.325kPa)

-155.2℃

Boiling point (101.325kPa)

-82.2℃

Liquid density (-82.1℃, 101.325kPa)

1439kg/m3

Gas density (25℃, 101.325kPa)

2.86kg/m3

Relative density (gas, 25℃, 101.325KPa)

2.417

Critical temperature

25.7℃

Critical pressure

4810kPa

Critical density

525kg/m3

Compression factor

Temperature (°C)/Pressure

100kPa 1000kPa 3000kPa 10000kPa

15℃

0.9916 0.9116 0.6749

50℃

0.9944 0.9426 0.8141 0.3556

Vapor pressure (-100℃)

30.2kPa

(0℃)

2480kPa

(20℃)

4150kPa

Viscosity (101.325kPa, 0℃)

0.01343mPa • S

(liquid, -80℃)

0.368mPa • S

Surface tension (73℃)

15mN/m

Thermal conductivity (101.325kPa, 0℃)

0.0121W/(m•K)

(liquid, -80℃)

0.1757W/(m•K)

Refractive index (liquid, 73.3°C)

1.215


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