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Hydrogen Sulfide Gas H2S

Hydrogen sulfide is a colorless, highly toxic, corrosive, flammable liquefied gas at room temperature and pressure, with the smell of rotten eggs. Hydrogen sulfide is a nerve agent. Also asphyxiating and irritating gas.
Availability:
Quantity:
  • 7783-6-4

  • OEM/ODM

Technical Indicators

Components/Impurities

Hydrogen sulfide/3.0N

Hydrogen sulfide/4.0N

Hydrogen sulfide content H2S

99.9%

99.99%

Air

﹤500ppm

﹤50ppm

Total Carbon (Methane) THC

﹤100ppm

﹤10ppm

Carbon dioxide CO2

﹤200ppm

﹤30ppm

Water H2O

﹤200ppm

﹤10ppm


The Packing

Type of cylinder

Gas pressure

Gas volume

Net weight of gas

43L DOT cylinder

1.8MPa

18m3

28kg

40L cylinder

1.8MPa

16m3

25kg

Cylinder interface: CGA330, 316L stainless steel


Transport information

Transportation information

Chemical symbol

H2S

GAS No.

7783-6-4

Levels of danger

2.2

DOT tags

Toxic and corrosive gas

Canadian Shipping Classification

Toxic and corrosive gas

Substance Identification (S) No.

1053

UN No.

UN 1053

Main hazards

toxic, corrosive

Toxicity (TLV)

28mg/m3


Physical properties

Physical properties

Chemical name

H2S

Molar mass

34.076

Gas density (0℃, 101.325kPa)

1.539kg/m3

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

1.188

Gas-liquid volume ratio (15℃, 100kPa)

638L/L

Critical temperature

100.4℃

Critical pressure

9010kPa

Critical density

349kg/m3

Compression factor

Temperature(℃)/Pressure

100kPa 400kPa 800kPa 1000kPa

15℃

0.9916 0.9656 0.9286 0.9089

50℃

0.9941 0.9759 0.9507 0.9375

Heat of fusion (-85.7℃, 22.7kPa)

67.79kJ/kg

Heat of vaporization (-60.2℃, 101.325kPa)

548.47kJ/kg

Specific heat capacity (gas, 25℃, 101.325kPa)

Cp=1004.2J/(kg • K)

Cv=757.3J/(kg • K)

Specific heat ratio (gas, 25℃, 101.325kPa)

Cp/Cv=1.33

Vapor pressure (-20℃)

546.1kPa

(0℃)

1033.5kPa

(20℃)

1793.5kPa

Viscosity (101.325kPa, 0℃)

0.01179mPa • S

Surface tension (-60.2℃)

25.43mN/m

Thermal conductivity (101.325kPa, 0℃)

0.01298W/(m•K)

Refractive index (gas, 0℃, 100Pa)

1.000644

Toxicity level

3

Flammability level

4

Explosiveness level

0


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