Hydrogen Sulfide
Quick Details
- CAS No.: 7783-6-4
- Other Names: Hydrosulfuric acid, Hydrothionic acid, Sulfhydric acid
- MF: H2S
- EINECS No.: 231-977-3
- Place of Origin: Sichuan, China (Mainland)
- Grade Standard: Industrial Grade
- Purity: 99.999%, 99.999%
- Appearance: Colorless
- Application: Analytical chemistry,
- Brand Name: TYHJ
- Model Number: 21006
- Product Name: 99.999% Hydrogen Sulfide H2S Gas Price
- Dot Class: 2.3
- Cylinder Certificates: DOT/ISO/GB
- Package: 40L/50L seamless gas cylinder
-
Physical &Chemical Properties
Chemical formula: H2S
Appearance: Colorless gas
Odor: Rotten eggsMolecular Volume: 34.1
UN No: UN1053
Melting point: −82 °C (−116 °F; 191 K)
Boiling point: −60 °C (−76 °F; 213 K)
Acidity (pKa): 7.0
Basicity (pKb): 12.9Applications1. Production of thioorganic compounds:
Several organosulfur compounds are produced using hydrogen sulfide. These include methanethiol, ethanethiol, and thioglycolic acid.
2. Analytical chemistry:For well over a century, hydrogen sulfide was important in analytical chemistry, in the qualitative inorganic analysis of metal ions.
3. Precursor to metal sulfides:
As indicated above, many metal ions react with hydrogen sulfide to give the corresponding metal sulfides.
4. Miscellaneous applications:Hydrogen sulfide is used to separate deuterium oxide, or heavy water, from normal water via the Girdler sulfide process.
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