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Disulfur dioxide information


Disulfur dioxide
structure of disulfur dioxide, S2O2
space-filling model of the disulfur dioxide molecule
Names
Other names
disulfur(II)oxide
SO dimer
Identifiers
CAS Number
  • 126885-21-0 [1]
3D model (JSmol)
  • Interactive image
PubChem CID
  • 145835224
InChI
  • InChI=1/O2S2/c1-3-4-2
    Key: AXYLJRYHRATPSG-UHFFFAOYNA-N
SMILES
  • O=[S][S]=O
Properties
Chemical formula
S2O2
Molar mass 96.1299 g/mol
Appearance gas
Structure
Coordination geometry
bent
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
toxic
Related compounds
Related compounds
tetrasulfur
SO,
S3O
S2O
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Disulfur dioxide, dimeric sulfur monoxide or SO dimer is an oxide of sulfur with the formula S2O2.[2] The solid is unstable with a lifetime of a few seconds at room temperature.[3]

  1. ^ Cite error: The named reference atm3 was invoked but never defined (see the help page).
  2. ^ Holleman, Arnold F.; Wiber, Egon; Wiberg, Nils, eds. (2001). "Oxides of sulfur". Inorganic Chemistry. Academic Press. p. 530. ISBN 9780123526519.
  3. ^ Mitchell, Stephen C. (2004). Biological Interactions Of Sulfur Compounds. CRC Press. p. 7. ISBN 9780203362525.

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Disulfur dioxide

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Disulfur dioxide, dimeric sulfur monoxide or SO dimer is an oxide of sulfur with the formula S2O2. The solid is unstable with a lifetime of a few seconds...

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Lower sulfur oxides

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temperature. Disulfur dioxide (S2O2) is a dimer of sulfur monoxide. It has C2v structure (planar). Disulfur monoxide (S2O) is an analogue of sulfur dioxide. Like...

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Sulfur monoxide

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dilute gas phase. When concentrated or condensed, it converts to S2O2 (disulfur dioxide). It has been detected in space but is rarely encountered intact otherwise...

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Empirical formula

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simply be SO, as is the empirical formula of disulfur dioxide, S2O2. Thus, sulfur monoxide and disulfur dioxide, both compounds of sulfur and oxygen, have...

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Disulfur decafluoride

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match smell similar to sulfur dioxide. Disulfur decafluoride is produced by photolysis of SF5Br: 2 SF5Br → S2F10 + Br2 Disulfur decafluoride arises by the...

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Disulfur dichloride

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Disulfur dichloride (or disulphur dichloride by the British English spelling) is the inorganic compound of sulfur and chlorine with the formula S2Cl2....

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Sulfur oxide

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dimer, Disulfur dioxide (S2O2) Sulfur dioxide (SO2) Sulfur trioxide (SO3) Higher sulfur oxides (SO3 and SO4 and polymeric condensates of them) Disulfur monoxide...

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Disulfur monoxide

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Disulfur monoxide or sulfur suboxide is an inorganic compound with the formula S2O, one of the lower sulfur oxides. It is a colourless gas and condenses...

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Sulfur dioxide

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Sulfur dioxide (IUPAC-recommended spelling) or sulphur dioxide (traditional Commonwealth English) is the chemical compound with the formula SO 2. It is...

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Metal sulfur dioxide complex

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In organometallic chemistry, metal sulfur dioxide complexes are complexes that contain sulfur dioxide, SO2, bonded to a transition metal. Such compounds...

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Sulfur nitride

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mononitride, SN, analogous to nitric oxide, NO disulfur mononitride, S2N, analogous to nitrogen dioxide, NO2. monosulfur dinitride, SN2, analogous to nitrous...

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Disulfur difluoride

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Disulfur difluoride is an inorganic compound with the chemical formula S2F2. It is a halide of sulfur. Disulfur difluoride has a chain structure F−S−S−F...

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Atmosphere of Venus

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Monitoring Camera images, but their composition is still unknown. In 2016, disulfur dioxide was identified as a possible candidate for causing the so far unknown...

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Sulfur

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including the sulfur-rich oxides include sulfur monoxide, disulfur monoxide, disulfur dioxides, and higher oxides containing peroxo groups. Sulfur reacts...

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Sulfur compounds

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including the sulfur-rich oxides include sulfur monoxide, disulfur monoxide, disulfur dioxides, and higher oxides containing peroxo groups. Sulfur reacts...

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Interchalcogen

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the ratio x:y is greater than 1:2 Disulfur monoxide, S2O Disulfur dioxide, S2O2 Sulfur monoxide, SO Sulfur dioxide, SO2 Sulfur trioxide, SO3 Higher sulfur...

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Sulfur dichloride

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acids. SCl2 is produced by the chlorination of either elemental sulfur or disulfur dichloride. The process occurs in a series of steps, some of which are:...

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Ozone

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25% that of carbon dioxide. The annual global warming potential of tropospheric ozone is between 918 and 1022 tons carbon dioxide equivalent/tons tropospheric...

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Sulfuric acid

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reacts with sulfur to form disulfur dibromide) S2Br2 + 8 H2O + 5 Br2 → 2 H2SO4 + 12 HBr (oxidation and hydration of disulfur dibromide) Prior to 1900,...

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Sulfur diimide

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analogue Disulfur dinitride Bis(trimethylsilyl)sulfur diimide Kresze, G.; Wucherpfennig, W., "Organic synthesis with imides of sulfur dioxide", Angew....

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Silylone

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Lewis basic properties despite not being a Si(0) complex. For example, the disulfur complex can then form an adduct with GaCl3. XRD analysis of this GaCl3-coordinated...

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List of inorganic compounds

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perchlorate) – ClOClO3 Dichlorine trioxide – Cl2O3 Dichlorosilane – SiH2Cl2 Disulfur dichloride – S2Cl2 Dysprosium(III) chloride – DyCl3 Erbium(III) chloride...

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Allotropes of sulfur

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consist of criss-crossed helices. It is also called χ-sulfur or ω2-sulfur. Disulfur, S2, is the predominant species in sulfur vapour above 720 °C (a temperature...

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Explosive

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Diazodinitrophenol Diazomethane Diethyl ether peroxide 4-Dimethylaminophenylpentazole Disulfur dinitride Ethyl azide Explosive antimony Fluorine perchlorate Fulminic...

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Thiosulfurous acid

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is a low oxidation state (+1) sulfur acid. It is the Arrhenius acid for disulfur monoxide. Salts derived from thiosulfurous acid, which are also unknown...

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CubeSat UV Experiment

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features in the UV: SO2, FeCl3, Cl2, Sn, SCl2, S2O, elemental sulfur, and disulfur dioxide (S 2O 2). It has also been speculated that any hypothetical microorganisms...

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Sulfite sulfate

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by 400 °C. Up to 800° it loses some sulfur dioxide. From 800° to 850 °C it loses sulfur dioxide and disulfur resulting in cerium oxy disulfate, and dioxy...

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List of highly toxic gases

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Among the best known toxic gases are carbon monoxide, chlorine, nitrogen dioxide and phosgene. Toxic: a chemical that has a median lethal concentration...

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Diatomic molecule

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("cracking") elemental phosphorus gives diphosphorus (P2). Sulfur vapor is mostly disulfur (S2). Dilithium (Li2) and disodium (Na2) are known in the gas phase. Ditungsten...

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