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hydrogen sulfide
Sign in to saveAlso known as Sewer gas, Sulfuretted hydrogen, hydrogen sulphide, [SH2], dihydrogen sulfide, dihydrogen monosulfide, hydrogen monosulfide, Sulfide
chemical compound
OverviewAI-generated
Hydrogen sulfide is a chemical compound with the formula H₂S. Its IUPAC name is hydron;sulfanide. The substance has a molecular mass of 33.987721 and a weight of 34.08. It possesses a charge of 0, an electric dipole moment of 0.97, and a pKa of 7.04. The standard molar entropy is 205.8.
Physical properties include a melting point of -85.5 and -122, and a boiling point of -77 and -59.55. The vapor pressure is 17.6, and the speed of sound is 289. Hydrogen sulfide is flammable, with a lower flammable limit of 4 and an upper flammable limit of 44. Its solubility is 0.4. Safety data indicates an immediately dangerous to life or health level of 140 and a ceiling exposure limit of 70. The ionization energy is 10.46.
Synthesized by Vinony from 30 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Chemical data
- Formula
- H2S
- Molecular weight
- 34.08 g/mol
- IUPAC name
- hydron;sulfanide
- SMILES
- [H+].[SH-]
- InChIKey
- RWSOTUBLDIXVET-UHFFFAOYSA-N
- Polar surface area
- 1 Ų
- H-bond donors
- 2
- H-bond acceptors
- 1
- Formal charge
- 0
via PubChem
Research
70,412 papers- Hydrogen sulfide in stroke: Protective or deleterious?ReviewNeurochemistry international · 2017Chan SJ, Wong PTDOI: 10.1016/j.neuint.2016.11.015
- Is hydrogen sulfide a potential novel therapy to prevent renal damage during ureteral obstruction?ReviewNitric oxide : biology and chemistry · 2018Lin S, Juriasingani S, Sener ADOI: 10.1016/j.niox.2017.12.004
- Hydrogen sulfide as a vasodilator.ReviewIUBMB life · 2005Bhatia MDOI: 10.1080/15216540500217875
- Reprint of: Hydrogen sulfide in stroke: Protective or deleterious?ReviewNeurochemistry international · 2017Chan SJ, Wong PTDOI: 10.1016/j.neuint.2016.11.016
- Hydrogen sulfide generation in mammals: the molecular biology of cystathionine-β- synthase (CBS) and cystathionine-γ-lyase (CSE).ReviewInflammation & allergy drug targets · 2011Renga BDOI: 10.2174/187152811794776286
- Hydrogen sulphide.ReviewOccupational medicine (Oxford, England) · 1996Guidotti TLDOI: 10.1093/occmed/46.5.367
- Hydrogen sulfide improves endothelial barrier function by modulating the ubiquitination degradation of KLF4 through TRAF7 S-sulfhydration in diabetic aorta.Free radical biology & medicine · 2024Li Q, Kang J, Liu N et al.DOI: 10.1016/j.freeradbiomed.2024.02.024
- Role of exhaled hydrogen sulfide in the diagnosis of colorectal cancer.BMJ open gastroenterology · 2024Du P, Tseng Y, Liu P et al.DOI: 10.1136/bmjgast-2023-001229
via PubMed
Wikidata facts
- Has part
- sulfur
- Mass
- 33.987721
Show 20 more facts
- Commons category
- Hydrogen sulfide
- NIOSH Pocket Guide ID
- 0337
- chemical formula
- H₂S
- canonical SMILES
- S
- melting point
- -122
- speed of sound
- 289
- immediately dangerous to life or health
- 140
- boiling point
- -59.55
- vapor pressure
- 17.6
- solubility
- 0.4
- lower flammable limit
- 4
- upper flammable limit
- 44
- ionization energy
- 10.45
- ceiling exposure limit
- 28
- found in taxon
- Parkia speciosa
- electric dipole moment
- 0.97
- pKa
- 7.04
- conjugate base
- hydrosulfide
- subject has role
- primary metabolite
- standard molar entropy
- 205.8
Sources (7)
via Wikidata · CC0
~40 min read
Encyclopedic overview
Names
Systematic IUPAC name Hydrogen sulfide
Excerpted from Wikipedia’s “hydrogen sulfide” article, available under the CC BY-SA 4.0 licence.
Gallery (12)
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