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HomeProduct name list4-Ethylpyridine

4-Ethylpyridine

  • CAS NO.:536-75-4
  • Empirical Formula: C7H9N
  • Molecular Weight: 107.15
  • MDL number: MFCD00006450
  • EINECS: 208-646-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:30
4-Ethylpyridine Structural

What is 4-Ethylpyridine?

Chemical properties

clear colorless to yellowish liquid. Very powerful, sweet-green, in the pure state nauseating, in dilution slightly minty odour with sweet-herbaceous, mildly tarrypungent undertones. There is a certain similarity between the odour of mushrooms and dry-rotted wood. In suitable dilution, actually, a pleasant odour.

The Uses of 4-Ethylpyridine

4-Ethylpyridine is used to study the influence of counter-anion concentration on analyte retention.

The Uses of 4-Ethylpyridine

4-Ethyl pyridine is used as a monomer in polymer chemistry.
4-Ethylpyridine could find use in perfume compositions since it gives very interesting effects with Vetiver, Oakmoss, Hydroquinone dimethylether, Amylsalicylate, Coumarin, Lavender, etc., and in minute traces in certain florals, e.g. Hyacinth and Tuberose, also for “bouquetting” purposes in floral fragrances describing flowers from the floor of the woods, Muguet, Violet, etc. where the sweet-earthy, fungal notes can be applied artistically with pleasant effect.

Production Methods

4-Ethylpyridine is produced by Wolff-Kishner reduction of 4-Acetylpyridine.

Synthesis Reference(s)

The Journal of Organic Chemistry, 22, p. 694, 1957 DOI: 10.1021/jo01357a607
Tetrahedron Letters, 26, p. 275, 1985 DOI: 10.1016/S0040-4039(01)80795-4

General Description

4-Ethylpyridine undergoes metal-ligand interaction with Zn-porphyrin which can be studied by mass spectrometry.

Contact allergens

4-Ethyl-pyridine is used as a monomer in polymer chemistry

Purification Methods

Dry 4-ethylpyridine with BaO, and fractionally distil it. Also purified by converting to the picrate, recrystalising and the free base is regenerated and distilled. [Beilstein 20/6 V 10.]

Properties of 4-Ethylpyridine

Melting point: -91 °C
Boiling point: 168 °C (lit.)
Density  0.942 g/mL at 25 °C (lit.)
refractive index  n20/D 1.501(lit.)
Flash point: 118 °F
storage temp.  Flammables area
solubility  107g/l
form  Liquid
pka pK1:5.87(+1) (25°C)
color  Clear colorless to yellow
PH 10 (100g/l, H2O, 20℃)
Water Solubility  34 g/L
Merck  14,3849
BRN  106481
Dielectric constant 10.98
CAS DataBase Reference 536-75-4(CAS DataBase Reference)
NIST Chemistry Reference 4-(C2H5)-pyridine(536-75-4)
EPA Substance Registry System 4-Ethylpyridine (536-75-4)

Safety information for 4-Ethylpyridine

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 4-Ethylpyridine

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