Hydrogen sulfide H2S
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Category：Specialty Gases MOQ:100KG Shipped directly from China
Introduction
CAS number: 7783-06-4
UN number: 1053
EINECS number: 231-977-3
Molecular weight: 34.08
Appearance: colorless, smell of rotten eggs
Melting point: -85.5 ℃
Boiling point: -60.4 ℃
Density: 1.36 kg/m³
DOT class: 2.3 & 2.1
Labels: Toxic gas, flammable gas
Packaging specifications
| Cylinder specifications | Content | |
| Cylinder capacity | Valve | Weight |
| 40L | CGA330 | 20kg |
| 47L | CGA330 | 30 kg |
Industrial grade hydrogen sulfide 98%
| Specifications | 98% |
| Hydrogen | ≤ 0.08% |
| Carbon dioxide | ≤ 1.6% |
| Nitrogen | ≤ 0.08% |
| Propane | ≤ 0.02% |
| Oxygen | ≤ 0.02% |
| Water | ≤ 50 ppm |
Industrial grade hydrogen sulfide 99.5%
| Specifications | 99.5% |
| Hydrogen | ≤ 0.02% |
| Carbon dioxide | ≤ 0.4% |
| Nitrogen | ≤ 0.01% |
| Propane | ≤ 0.01% |
| Oxygen | ≤ 0.02% |
| Water | ≤ 50 ppm |
Industrial grade hydrogen sulfide 99.9%
| Specifications | 99.9% |
| Hydrogen | ≤ 0.02% |
| Carbon dioxide | ≤ 0.03% |
| Nitrogen | ≤ 0.03% |
| Propane | ≤ 0.01% |
| Oxygen | ≤ 0.01% |
| Water | ≤ 20 ppm |
Electronic grade hydrogen sulfide 99.99%
| Specifications | 99.99% |
| Hydrogen | ≤ 4.64ppm |
| Oxygen | ≤ 2.72ppm |
| Nitrogen | ≤ 6.22ppm |
| Carbon monoxide + carbon dioxide + methane | ≤ 8.83ppm |
| Water | ≤ 6.30ppm |
| Others | ≤ 14.10ppm |
Gas Introduction
Hydrogen sulfide is an inorganic compound with the chemical formula H2S and a molecular weight of 34.076. It is a flammable acidic gas under standard conditions. It is colorless and has the smell of rotten eggs at low concentrations. It has a sulfur smell at extremely low concentrations and is highly toxic. Its aqueous solution is hydrosulfuric acid, which is weaker in acidity than carbonic acid but stronger than boric acid. It is soluble in water and easily soluble in alcohols, petroleum solvents and crude oil.
Hydrogen sulfide is a flammable hazardous chemical. It can form an explosive mixture when mixed with air and can cause combustion and explosion when exposed to open flames and high heat. Hydrogen sulfide is an important chemical raw material.
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