Pyridine hydrobromide

Base Information

• Chemical Name: Pyridine hydrobromide
• CAS No.: 18820-82-1
• Deprecated CAS: 103779-27-7
• Molecular Formula: C5H5N^.HBr
• Molecular Weight: 160.013
• Hs Code.: 2933.39
• European Community (EC) Number: 242-600-7
• NSC Number: 620577,167065
• DSSTox Substance ID: DTXSID8066422
• ChEMBL ID: CHEMBL1986645
• Mol file: 18820-82-1.mol

Synonyms:Pyridine hydrobromide;18820-82-1;Pyridinium bromide;Pyridine, hydrobromide;Pyridine, hydrobromide (1:1);EINECS 242-600-7;Pyridinehydrobromide;pyridine;hydrobromide;C5H5N.BrH;Pyridine hydrobromide, 98%;C5-H5-N.Br-H;CHEMBL1986645;DTXSID8066422;AM808;STR09884;MFCD00012801;NSC167065;NSC620577;AKOS015834075;CS-W017944;NSC-167065;NSC-620577;SB52376;FT-0653655;P1666;D77817;Pyridine hydrobromide, purum, >=98.0% (AT);J-012119;J-524099

Chemical Property of Pyridine hydrobromide

Chemical Property:

• Appearance/Colour: Colorless liquid
• Vapor Pressure: 22.8mmHg at 25°C
• Melting Point: 200 °C (dec.)(lit.)
• Boiling Point: 115.3 °C at 760 mmHg
• Flash Point: 20 °C
• PSA: 12.89000
• Density: 0.956 g/cm³
• LogP: 2.03970
• Storage Temp.: Store under Nitrogen
• Sensitive.: Hygroscopic
• Water Solubility.: Soluble in water.
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 158.96836
• Heavy Atom Count: 7
• Complexity: 30.9

Purity/Quality:

99.9% ^*data from raw suppliers

Pyridine Hydrobromide ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 20/21/22-36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C1=CC=NC=C1.Br
• Uses: Pyridine hydrobromide is a useful research chemical. Pyridine hydrobromide may be used in chemical synthesis studies. Pyridine hydrobromide is quite useful for brominations of ketones on a micro or semimicro scale. Pyridine hydrobromide may be used in chemical synthesis studies.

Technology Process of Pyridine hydrobromide

There total 47 articles about Pyridine hydrobromide 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:

[1,1'-(propane-1,3-diyl)-bis(pyridinium)] dibromide (14208-07-2) → hydrogen bromide (10035-10-6,12258-64-9) + Pyridine hydrobromide (18820-82-1)

Guidance literature:

beim Erhitzen ueber den Schmelzpunkt;

Reference yield:

C5H5N*C2H5NO2*Br3H → formaldehyd (50-00-0,30525-89-4,61233-19-0) + carbon dioxide (124-38-9,18923-20-1) + Pyridine hydrobromide (18820-82-1)

Guidance literature:

With water; acetic acid; at 34.9 ℃; Rate constant; Thermodynamic data; ΔH(excit.), ΔS(excit.), ΔG(excit.); var. temp.;

Reference yield:

C6H13NO2*C5H5N*Br3H → carbon dioxide (124-38-9,18923-20-1) + Pyridine hydrobromide (18820-82-1) + isovaleraldehyde (590-86-3)

Guidance literature:

With water; acetic acid; at 34.9 ℃; Rate constant; Thermodynamic data; ΔH(excit.), ΔS(excit.), ΔG(excit.); var. temp.;

upstream raw materials:

pyridine

1,1,2,2-tetrabromoethane

1,1'-(butane-1,4-diyl)bis-pyridine (double di(bromide))

1,5-bis(pyridinium)-pentane dibromide

Downstream raw materials:

1-(2-hydroxy-2-phenylethyl)pyridinium bromide

(S)-(+)-2-bromooctane

3-Bromopyridine

3,5-dibromopyridine

Refernces

• 1、 Yurchenko,Ivashchenko,Pilipenko,Pogrebova. "Pyridinium halides and their mixtures as inhibitors of steel corrosion in sulfuric acid solutions". . p. 511 - 513. Retrieved 2005.
• 2、 Bahnemann, D. W.,Emeline, A. V.,Kevorkyants, R.,Rozhkova, Yu. A.,Selivanov, N. I.. "The effect of organic cations on the electronic, optical and luminescence properties of 1D piperidinium, pyridinium, and 3-hydroxypyridinium lead trihalides". . p. 4390 - 4403. Retrieved 2020/04/17.
• 3、 Yang, Zhen-Zhen,Li, Yu-Nong,Wei, Yang-Yang,He, Liang-Nian. "Protic onium salts-catalyzed synthesis of 5-aryl-2-oxazolidinones from aziridines and CO2 under mild conditions". supporting information; experimental part. p. 2351 - 2353. Retrieved 2011/10/31.