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295442 Sigma-Aldrich

Hydrogen sulfide

≥99.5%

  • CAS Number 7783-06-4

  • Empirical Formula (Hill Notation) H2S

  • Molecular Weight 34.08

  •  Beilstein/REAXYS Number 3535004

  •  EC Number 231-977-3

  •  MDL number MFCD00011444

  •  PubChem Substance ID 24857784

  •  NACRES NA.22

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Properties

Related Categories Chemical Synthesis, Specialty Gases, Synthetic Reagents More...
Quality Level   200
vapor density   1.19 (15 °C, vs air)
vapor pressure   252 psi ( 21 °C)
assay   ≥99.5%
autoignition temp.   500 °F
expl. lim.   6 %
bp   −60 °C (lit.)
mp   −85 °C (lit.)
storage temp.   room temp
SMILES string   S
InChI   1S/H2S/h1H2
InChI key   RWSOTUBLDIXVET-UHFFFAOYSA-N

Description

Application

Hydrogen sulfide gas can be used in the following applications:
• As a sulfur source to synthesize assemblies of silver sulfide nanoparticles (Ag2S NPs).
• As a ligand to form coordination complexes with ruthenium ammines.
• As a test compound to assess the performance of polyaniline-based gas H2S sensors.

Packaging

227 g in steel cylinder

Other Notes

For 295442-300G-EU packaging: 500 mL of aluminium cylinder equipped with stainless steel valve.

Recommended products

• For 295442-227G: Z148504 or Z148512 CGA 180 Regulators, OR Z146951/Z187224 valves with Z147095 CGA 110 to CGA 180 adapter and Z146986 washer OR Z151661 T Purge Valve.
• For 295442-300G-EU: outlet fitting: DIN 477-1 no.1, Z742162 or Z742164 are the recommended regulators.

Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
RIDADR 
UN1053 - class 2 - Hydrogen sulfide
WGK Germany 
WGK 2
RTECS 
MX1225000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

GC Analysis of a 7-Component Sulfur Gases Mix on Supel-Q™ PLOT after SPME using 75 μm Carboxen/PDMS Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of a 7-Component Sulfur Gases Mix on Supel-Q™ PLOT after SPME using 75 μm Carboxen/PDMS Fiber
Keywords: Chromatography, Flame photometric detector, Gas chromatography, Purification, Solid phase microextractions

Peer-Reviewed Papers
15

References

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99112 Outlet valve No 70688, stainless steel, pkg of 1 ea

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