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295442
Aldrich
Hydrogen sulfide
≥99.5%
| CAS Number: | 7783-06-4 |
| Linear Formula: | H2S |
| Molecular Weight: | 34.08 |
| Beilstein Registry Number: | 3535004 |
| EC Number: | 231-977-3 |
| MDL number: | MFCD00011444 |
| PubChem Substance ID: | 24857784 |
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Description
| Packaging | 227 g in steel cyl |
| Recommended products | Stainless steel control valves Z146951, Z187224 or either of stainless steel regulators Z148504 and Z148512 and a "T"-purge valve Z151661 is recommended. |
Properties
| 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.) |
Safety
| Personal Protective Equipment | Eyeshields, Faceshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
| Hazard Codes | F+,T+,N |
| Risk Statements | 12-26-50 |
| Safety Statements | 9-16-36-38-45-61 |
| RIDADR | UN 1053 2.3 |
| WGK Germany | 2 |
| RTECS | MX1225000 |
| UEL | 46.00% |
| LEL | 4.00% |
References
| Merck | Merck 13,4823 |
| Fieser | Fieser 4,256 / Fieser 12,247 |
| reference | Corp MSDS 1 (1), 1898:C / FT-IR 2 (1), 406:A / RegBook 1 (1), 277:A / Sax 6, 1552 / Vapor Phase 3, 335:A |






