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Hydrogen Fluoride Gas HF

Hydrogen fluoride is a colorless, toxic and corrosive gas with pungent odor and strong irritation.
Availability:
Quantity:
  • 7664-39-3

  • OEM/ODM

Technical Indicators

Components/Impurities

Hydrogen fluoride/3.5N

Hydrogen fluoride content

99.95%

Arsenic As

﹤25ppm

Fluorosilicic acid H2SiF6

﹤150ppm

Non-volatile acid H2SO4

﹤50ppm

Sulphur dioxide SO2

﹤100ppm

Water H2O

﹤200ppm


The Packing

Type of cylinder

Gas pressure

Gas volume

Net weight of gas

40L cylinder

0.2MPa

9000L

20kg

Cylinder interface: CGA660


Transport information

Transportation information

chemical symbol

HF

GAS No.

7664-39-3

DOT Shipping Class

2.3

DOT tags

Toxic and corrosive gas

Canadian Shipping Classification

Toxic and corrosive gas

Substance Identification (S) No.

1052

UN No.

UN 1052

Main hazards

toxic, corrosive

Toxicity (TLV)

0.5mg/m3


Physical properties

Physical properties

Chemical name

HF

Molar mass

20.0064

Gas density (25℃, 101.325kPa)

2.201kg/m3

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

1.858

Critical temperature

188.0℃

Critical pressure

6485kPa

Critical density

290kg/m3

Compression factor

Temperature(℃)/Pressure

10kPa 50kPa 80kPa 100kPa

15℃

0.9979 0.9897 0.9835

50℃

0.9986 0.9927 0.9884 0.9845

Heat of fusion (-83.4℃, 87.8kPa)

196.355kJ/kg

Heat of vaporization (19.51℃, 101.325kPa)

374.72kJ/kg

Specific heat capacity (gas, 30℃, 101.325kPa)

Cp=40355.3J/(kg•K)

Cv=2383J/(kg • K)

Specific heat ratio (gas, 30℃. 101.325kPa)

Cp/Cv=16.93

Vapor pressure (-20℃)

21.5kPa

(0℃)

52.5kPa

(30℃)

155kPa

Viscosity (1-100kPa, 0℃)

0.0114mPa • S

Viscosity (Liquid, 0℃)

0.256mPa • S

Surface Tension(0℃)

10.1mN/m

Thermal conductivity (1-100kPa, 0℃)

0.02353W/(m•K)

Refractive index (gas, 25℃, 101.325kPa)

1.1574

Toxicity level

4

Flammability level

0

Explosiveness level

0


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