Hydrogen sulfate;pyridin-1-ium

Base Information

• Chemical Name: Hydrogen sulfate;pyridin-1-ium
• CAS No.: 543-54-4
• Molecular Formula: C5H5NO4S-2
• Molecular Weight: 177.181
• Hs Code.: 2933399090
• DSSTox Substance ID: DTXSID901033225
• Mol file: 543-54-4.mol

Synonyms:DTXSID901033225

Chemical Property of Hydrogen sulfate;pyridin-1-ium

Chemical Property:

• Vapor Pressure: 22.8mmHg at 25°C
• Melting Point: 93 °C
• Boiling Point: 115.3°Cat760mmHg
• Flash Point: 20°C
• PSA: 108.76000
• Density: 0.956g/cm³
• LogP: 2.59120
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 177.00957888
• Heavy Atom Count: 11
• Complexity: 107

Purity/Quality:

98%min ^*data from raw suppliers

PyridineSulfate 95 ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=[NH+]C=C1.OS(=O)(=O)[O-]

Technology Process of Hydrogen sulfate;pyridin-1-ium

There total 3 articles about Hydrogen sulfate;pyridin-1-ium which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 88.0%

calcium hydride (7789-78-8) + tellurium hexafluoride (7783-80-4) + 18O-labeled water (14797-71-8) → pentafluorotellurate(VI) (114595-23-2) + pyridinium hydrogen sulfate (543-54-4)

Guidance literature:

With H₂SO₄; In pyridine; byproducts: H2, CaF2; Sonication; O2 and H2O excluded: H2(18)O added to CaH2 in pyridine, H2 evolution, reactn. mixt. stirred and sonicated (3d, room temp.), degassed, frozen (-196 ° C), TeF6 added (vac. transfer), heated and stirred (45 ° C, 12h), caution: TeF6-pressure!; pyridine and TeF6 removed (vac.), {pyH(1+)}{(18)OTeF5} extracted into warm CH2Cl2, CH2Cl2 removed (vac., white residue), (19)F NMR, concd. H2SO4 added, vac. distn., (19)F NMR;

Reference yield: 69.0%

pyridine (110-86-1) → pyridinium hydrogen sulfate (543-54-4)

Guidance literature:

With sulfuric acid; In dichloromethane; Cooling with ice;

Reference yield:

pyridine (110-86-1) → pyridinium sulfate + pyridinium hydrogen sulfate (543-54-4)

Guidance literature:

With H₂SO₄; In hydrogen cyanide;

upstream raw materials:

pyridine

calcium hydride

tellurium hexafluoride

¹⁸O-labeled water

Refernces

• 1、 Zang, Hongjun,Lou, Jing,Jiao, Shuolei,Li, Huanxin,Du, Yannan,Wang, Jiao. "Valorization of chitin derived N-acetyl-D-glucosamine into high valuable N-containing 3-acetamido-5-acetylfuran using pyridinium-based ionic liquids". . . Retrieved 2021.
• 2、 Tankov, Ivaylo,Mitkova, Magdalena,Nikolova, Radoslava,Veli, Anife,Stratiev, Dicho. "n-Butyl Acetate Synthesis in the Presence of Pyridinium-Based Acidic Ionic Liquids: Influence of the Anion Nature". . p. 2279 - 2289. Retrieved 2017.
• 3、 Avdeev, Georgi,Kolev, Hristo,Tankov, Ivaylo. "Surface, textural and catalytic properties of pyridinium hydrogen sulfate ionic liquid heterogenized on activated carbon carrier". . . Retrieved 2021/08/16.