Nitrosylsulfuric acid: Difference between revisions
Appearance
Content deleted Content added
m WP:CHECKWIKI error fixes using AWB (10093) |
Temperatures (melting, boiling, autoignite, flash) use convert template to calculate (m: rm setting imagesize to dflt). using AWB |
||
Line 1: | Line 1: | ||
{{chembox |
{{chembox |
||
| verifiedrevid = 434912557 |
| verifiedrevid = 434912557 |
||
| |
| Name = Nitrosylsulfuric acid |
||
| |
| ImageFile = Nitrosylsulfuric acid structure.svg |
||
| |
| ImageSize = |
||
| |
| ImageName = Structural formula of nitrosylsulfuric acid |
||
| |
| ImageFile1 = Nitrosylsulfuric-acid-3D-balls-B.png |
||
| |
| ImageSize1 = 180px |
||
| |
| ImageName1 = Ball-and-stick model |
||
| |
| IUPACName = Nitrosylsulfuric acid |
||
| |
| OtherNames = nitrosonium bisulfate, chamber crystals |
||
| |
|Section1={{Chembox Identifiers |
||
| |
| SMILES = O=NOS(=O)(=O)O |
||
| |
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
||
| ChemSpiderID = 74147 |
| ChemSpiderID = 74147 |
||
| PubChem = 82157 |
| PubChem = 82157 |
||
Line 23: | Line 23: | ||
| CASNo_Ref = {{cascite|correct|??}} |
| CASNo_Ref = {{cascite|correct|??}} |
||
| CASNo = 7782-78-7 |
| CASNo = 7782-78-7 |
||
| |
| RTECS = |
||
}} |
}} |
||
| |
|Section2={{Chembox Properties |
||
| |
| Formula = HNO<sub>5</sub>S |
||
| |
| MolarMass = 127.08 g/mol |
||
| |
| Appearance = pale yellow crystals |
||
| |
| Density = 1.612 g/mL in<br /> 40% sulfuric acid soln |
||
| |
| Solubility = decomposes |
||
| |
| SolubleOther = soluble in [[sulfuric acid|H<sub>2</sub>SO<sub>4</sub>]] |
||
| |
| MeltingPtC = 73.5 |
||
| |
| BoilingPt = decomposes |
||
| |
| pKb = |
||
}} |
}} |
||
| |
|Section3={{Chembox Structure |
||
| |
| CrystalStruct = |
||
}} |
}} |
||
| |
|Section7={{Chembox Hazards |
||
| |
| ExternalMSDS = |
||
| |
| MainHazards = oxidizer |
||
| |
| RPhrases = |
||
| |
| SPhrases = |
||
}} |
}} |
||
| |
|Section8={{Chembox Related |
||
| |
| OtherAnions = [[Nitrosyl chloride|NOCl]] |
||
| |
| OtherCations = [[Sodium bisulfate|NaHSO<sub>4</sub>]] |
||
| |
| OtherCpds = [[Nitrosyl tetrafluoroborate|NOBF<sub>4</sub>]] |
||
}} |
}} |
||
}} |
}} |
Revision as of 12:56, 8 December 2014
![]() | |
![]() | |
Names | |
---|---|
IUPAC name
Nitrosylsulfuric acid
| |
Other names
nitrosonium bisulfate, chamber crystals
| |
Identifiers | |
3D model (JSmol)
|
|
ChemSpider | |
ECHA InfoCard | 100.029.058 |
PubChem CID
|
|
CompTox Dashboard (EPA)
|
|
| |
| |
Properties | |
HNO5S | |
Molar mass | 127.08 g/mol |
Appearance | pale yellow crystals |
Density | 1.612 g/mL in 40% sulfuric acid soln |
Melting point | 73.5 °C (164.3 °F; 346.6 K) |
Boiling point | decomposes |
decomposes | |
Solubility | soluble in H2SO4 |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
|
oxidizer |
Related compounds | |
Other anions
|
NOCl |
Other cations
|
NaHSO4 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Nitrosylsulfuric acid is the chemical compound with the formula NOHSO4. It is a colourless solid that is used industrially in the production of caprolactam.[1]
Synthesis and reactions
A typical procedure entails dissolving sodium nitrite in concentrated sulfuric acid in an ice bath:[2][3]
- HNO2 + H2SO4 → NOHSO4 +H2O
The molecule can also be viewed as the mixed acid anhydride of sulfuric acid and nitrous acid. Alternatively, it can be prepared by the reaction of nitric acid and sulfur dioxide.[4]
NOHSO4 is useful in organic chemistry to prepare diazonium salts from amines. Related NO-delivery reagents include nitrosonium tetrafluoroborate ([NO]BF4) and nitrosyl chloride.
References
- ^ Ritz, J.; Fuchs, H.; Kieczka, H.; Moran, W. C. (2002). "Caprolactam". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a05_031.
{{cite encyclopedia}}
: CS1 maint: multiple names: authors list (link) - ^ Hodgson, H. H.; Mahadevan, A. P.; Ward, E. R. (1955). "1,4-Dinitronaphthalene". Organic Syntheses
{{cite journal}}
: CS1 maint: multiple names: authors list (link); Collected Volumes, vol. 3, p. 341. (diazodization followed by treatment with nitrite) - ^ Sandin, R. B.; Cairns, T. L. (1943). "1,2,3-Triiodo-5-nitrobenzene". Organic Syntheses
{{cite journal}}
: CS1 maint: multiple names: authors list (link); Collected Volumes, vol. 2, p. 604. (diazodization followed by treatment with iodide) - ^ Coleman, G. H.; Lillis, G. A.; Goheen, G. E. (1939). "Nitrosyl Chloride". Inorganic Syntheses. 1: 55–59. doi:10.1002/9780470132326.ch20.
{{cite journal}}
: CS1 maint: multiple names: authors list (link) This procedure generates the nitrosylsulfuric acid as an intermediate en route to NOCl.