ChemicalBook Product Catalog Pharmaceutical intermediates Heterocyclic compound Pyridine compound Ethylpyridine 1-Ethylpyridinium bromide

1-Ethylpyridinium bromide

Product Name1-Ethylpyridinium bromide
CAS1906-79-2
MFC7H10BrN
MW188.07
EINECS217-607-3
MOL File1906-79-2.mol

Chemical Properties

Melting point	117-121 °C
Density	1.4194 (rough estimate)
refractive index	1.6190 (estimate)
storage temp.	Sealed in dry,Room Temperature
form	powder to crystal
color	White to Almost white
Water Solubility	almost transparency
Sensitive	Hygroscopic
InChI	InChI=1S/C7H10N.BrH/c1-2-8-6-4-3-5-7-8;/h3-7H,2H2,1H3;1H/q+1;/p-1
InChIKey	ABFDKXBSQCTIKH-UHFFFAOYSA-M
SMILES	[N+]1(CC)C=CC=CC=1.[Br-]
CAS DataBase Reference	1906-79-2(CAS DataBase Reference)
NIST Chemistry Reference	Ethyl pyridinium bromide(1906-79-2)
EPA Substance Registry System	Pyridinium, 1-ethyl-, bromide (1906-79-2)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	37/39-26-37
TSCA	TSCA listed
HS Code	29333990

MSDS

Provider	Language
1-Ethylpyridinium bromide	English
ACROS	English
ALFA	English

Usage And Synthesis

Chemical Properties

white agglomerated crystalline powder or crystals

Uses

1-Ethylpyridinium bromide is an ionic liquid with a higher thermal decomposition temperature than 1-propylpyridinium bromide[6]. The compound serves as an electrolyte component in aqueous solutions for cyclic voltammetry studies of zinc electrodeposition and stripping, including SEM imaging of deposits on FTO glass[7].

Synthesis

110-86-1

74-96-4

1906-79-2

The one-step synthesis of 1-ethylpyridin-1-ium bromide ([EPy]Br) proceeded as follows: 4.2 mol of ethyl bromide and 4.0 mol of pyridine were added to a 1000 mL round-bottom flask. The reaction mixture was placed in a combined ultrasound-microwave reactor, and the loss of volatile bromoethane was controlled by a cooling water condensation system. The ultrasonic power was set at 1000 W, the microwave heating power was set at 800 W, the reaction temperature was maintained at 50 °C, and the reaction time was 60 min. Upon completion of the reaction, the yield of 1-ethylpyridin-1-ium bromide was calculated to be 89%.

References

[1] Bulletin of the Chemical Society of Japan, 1986, vol. 59, # 3, p. 757 - 762
[2] Journal of the American Chemical Society, 1985, vol. 107, # 16, p. 4655 - 4662
[3] Journal of Physical Chemistry, 1986, vol. 90, # 4, p. 641 - 644
[4] Journal of Physical Chemistry A, 2010, vol. 114, # 11, p. 3782 - 3787
[5] Green Chemistry, 2011, vol. 13, # 6, p. 1527 - 1535
[6] Tong, B., Liu, Q.-S., Tan, Z.-C., Welz-Biermann, U. (2009). Thermochemistry of Alkyl Pyridinium Bromide Ionic Liquids: Calorimetric Measurements and Calculations. The Journal of Physical Chemistry A, 114(11), 3782–3787. https://doi.org/10.1021/jp9047538
[7] Easton, M. E., Player, L. C., Masters, A. F., Maschmeyer, T. (2017). Zinc Electrodeposition in the Presence of an Aqueous Electrolyte Containing 1-Ethylpyridinium Bromide: Unexpected Oddities*. Australian Journal of Chemistry, 70(9), 1025–1031. https://doi.org/10.1071/ch17281

1-Ethylpyridinium bromide

Chemical Properties

Safety Information

MSDS

Usage And Synthesis

Preparation Products And Raw materials

1-Ethylpyridinium bromide Supplier

1-Ethylpyridinium bromide manufacturers

Related Product Information