Hydrogen sulfide
ALDRICH/295442 - ≥99.5%
Synonym: Dihydrogen monosulfide; Hydrosulfuric acid
CAS Number: 7783-06-4
Empirical Formula (Hill Notation): H2S
Molecular Weight: 34.08
EC Number: 231-977-3
MDL Number: MFCD00011444
Linear Formula: H2S
Product Type: Chemical
| assay | ≥99.5% |
| autoignition temp. | 500 °F |
| bp | −60 °C (lit.) |
| expl. lim. | 6 % |
| InChI | 1S/H2S/h1H2 |
| InChI key | RWSOTUBLDIXVET-UHFFFAOYSA |
| mp | −85 °C (lit.) |
| Quality Level | 200  |
| SMILES string | S |
| vapor density | 1.19 (15 °C, vs air) |
| vapor pressure | 252 psi ( 21 °C) |
| 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. |
| General description: | Hydrogen sulfide serves as a precursor for elemental sulfur and in the production of organosulfur compounds. |
| Legal Information: | Aldrich is a registered trademark of Sigma-Aldrich Co. LLC |
| Other Notes: | See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation |
| Packaging: | 227 g in steel cylinder |
| Packaging: | Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed. Compatible with the following:• Aldrich® lecture-bottle station systems • Aldrich® lecture-bottle gas regulators |
| Symbol |     GHS02,GHS04,GHS06,GHS09 |
| Signal word | Danger |
| Hazard statements | H220 - H280 - H330 - H400 |
| Precautionary statements | P260 - P271 - P273 - P284 - P304 + P340 + P310 - P410 + P403 |
| Hazard Codes | F+,T+,N |
| Risk Statements | 12-26-50 |
| Safety Statements | 9-16-36-38-45-61 |
| RIDADR | UN1053 - class 2 - Hydrogen sulfide |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% |
| bp | −60 °C (lit.) |
| mp | −85 °C (lit.) |
| UNSPSC | 12142100 |