3-Ethylpyridine Chemical Properties

Melting point:

-77 °C

Boiling point:

163-166 °C (lit.)

Density 

0.954 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.502(lit.)

FEMA 

3394 | 3-ETHYLPYRIDINE

Flash point:

120 °F

solubility 

alcohol: freely soluble

pka

pK1:5.80(+1) (20°C)

form 

clear liquid

color 

Colorless to Almost colorless

Specific Gravity

0.954

Odor

at 0.10 % in dipropylene glycol. tobacco oakmoss leather

Odor Type

tobacco

Water Solubility 

270.1g/L(196 ºC)

Sensitive 

Hygroscopic

JECFA Number

1315

Merck 

14,3848

BRN 

106479

Stability:

Stable. Flammable. Incompatible with strong oxidizing agents, strong acids. May be moisture sensitive.

LogP

1.66

CAS DataBase Reference

536-78-7(CAS DataBase Reference)

NIST Chemistry Reference

3-(C2H5)-pyridine(536-78-7)

EPA Substance Registry System

3-Ethylpyridine (536-78-7)

Safety Information

Hazard Codes 

Xi,C

Risk Statements 

10-36/37/38-34-23/24/25

Safety Statements 

16-26-36/37-45-36/37/39

RIDADR 

UN 1993 3/PG 3

WGK Germany 

3

TSCA 

Yes

HazardClass 

3

PackingGroup 

III

HS Code 

29333990

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

3-Ethylpyridine Usage And Synthesis

Chemical Properties

liquid

Chemical Properties

3-Ethylpyridine has tobacco taste and flavor.

Occurrence

Reported found in coffee, beer, whiskey, roasted chicken, tea, oatmeal, clams, shrimp and squid, cooked chicken, dried bonito, krill, and Virginia tobacco.

Uses

3-Ethylpyridine was used to to identify the toxicants in cigarette smoke solutions and to determine their effective doses using in vitro bioassays.

Definition

ChEBI: 3-Ethylpyridine is a member of pyridines.

Taste threshold values

Aroma characteristics at 1.0%: chemical, grainy, beany, musty and earthy, leafy tobacco-like with nutty nuances of peanut and coffee, with raw potato nuances.

Synthesis Reference(s)

The Journal of Organic Chemistry, 31, p. 4267, 1966 DOI: 10.1021/jo01350a524

General Description

3-Ethylpyridine is a constituent of cigarette smoke.

Biochem/physiol Actions

3-Ethylpyridine is degraded by Gordonia nitida sp. LE31T isolated from an industrial waste water.

3-Ethylpyridine(536-78-7)Related Product Information

• 6-Methyl-3-ethylpyridine,2-Methyl-5-ethylpyridine (MEP),2-METHYL-5-ETHYLPYRIDINE
• 3-Aminopyridine
• Hydroxyethyl Cellulose
• Hydroxyethyl starch
• 2-Chloro-3-cyanopyridine
• Chromium picolinate
• Sulfasalazine
• Ethyl maltol
• Methyl nicotinate
• 6-Methylpyridine-3-carboxylic acid
• Nicotinic acid
• Ethyl 2-aminopyridine-3-carboxylate
• 3-Nitropyridine
• NICOTINIC-D4 ACID
• Isonicotinic acid
• 2-Aminopyridine N-oxide
• 3,5-DINITROPYRIDINE
• 2-Hydroxy-5-pyridinecarboxylic acid