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2-Acetylpyridine

2-Acetylpyridine

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Product Introduction

2-Acetylpyridine Basic information
Identification Description Regulatory Status Usage Natural occurrence Production
Product Name: 2-Acetylpyridine
Synonyms: 1-(2-pyridinyl)-ethanon;1-(2-Pyridinyl)ethanone;2-ACETYL PYRIDINE FEMA NO.3251;2-ACETYLPYRIDINE 99+%;2-ACETYLPYRIDINE, STANDARD FOR GC;Ethanone, 1-(2-pyridinyl)- (9CI);acetylpyridine,2-acetylpyridine;Ethanone, 1-(2-pyridinyl)-
CAS: 1122-62-9
MF: C7H7NO
MW: 121.14
EINECS: 214-355-6
Product Categories: Heterocycle-Pyridine series;ketone;ACETYLGROUP;Carbonyl Compounds;Pyridines derivates;pyridine Flavor;Heterocycles;bc0001
Mol File: 1122-62-9.mol
2-Acetylpyridine Structure
 
2-Acetylpyridine Chemical Properties
Melting point 8-10 °C
Boiling point 188-189 °C (lit.)
density 1.08 g/mL at 25 °C (lit.)
refractive index n20/D 1.521(lit.)
FEMA 3251 | 2-ACETYLPYRIDINE
Fp 164 °F
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility 170g/l
form Liquid
pka pK1: 2.643(+1) (25°C)
color Clear colorless to slightly brown
PH 7 (100g/l, H2O, 20℃)
Odor roasted odor
Odor Type popcorn
Water Solubility Soluble in water (18.2 g/100g @ 25C). Soluble in and acetate. Slightly soluble in carbon tetrachloride.
JECFA Number 1309
BRN 107759
LogP 0.85
CAS DataBase Reference 1122-62-9(CAS DataBase Reference)
NIST Chemistry Reference Ethanone, 1-(2-pyridinyl)-(1122-62-9)
EPA Substance Registry System 2-Acetylpyridine (1122-62-9)
 
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38-38
Safety Statements 26-36-37
RIDADR NA 1993 / PGIII
WGK Germany 3
RTECS OB5310000
F 8
Hazard Note Irritant
TSCA Yes
HS Code 29333999
 
MSDS Information
Provider Language
2-Acetylpyridine English
SigmaAldrich English
ACROS English
ALFA English
 
2-Acetylpyridine Usage And Synthesis
Identification
CAS.No.:
1122-62-9
FL.No.:
14.038
FEMA.No.:
3251
NAS.No.:
3251
CoE.No.:
2315
EINECS.No.:
214-355-6
JECFA.No.:
1309
 
 
Description A colorless liquid with tobacco-like aroma.
Regulatory Status CoE: Used provisionally. Food: 10 ppm
FDA: n/a
FDA (other): n/a
JECFA: ADI: Acceptable. No safety concern at current levels of intake when used as a flavoring agent (2004).
Usage Reported uses (ppm): (FEMA, 1994)
Food Category
Usual
Max
Baked goods
5
5
Breakfast cereals
3
3
Cheese
3
3
Gravies
3
3
Meat products
3
3
Milk products
3
3
Other grains
3
3
Soft candy
3
3
Soups
3
3
Natural occurrence Reported found in wheaten bread, other types of breads, boiled and cooked beef, grilled and roasted beef, lamb (roasted), lamb and mutton liver, beer, several types of brandy, cocoa, black tea, roasted filbert (Corylus avellano), roasted peanut (Arachis hypogea), heated beans, Bantu beer, coriander seed (Coriandrum sativum L.) and other natural sources.
Production It is obtained by bromination of ethylpyrazine, followed by oxidization to obtain it.
Chemical Properties clear colorless to slightly brown liquid
Chemical Properties A colorless liquid with tobacco-like aroma
Occurrence Reported found in wheaten bread, other types of breads, boiled and cooked beef, grilled and roasted beef, lamb (roasted), lamb and mutton liver, beer, several types of brandy, cocoa, black tea, roasted filbert (Corylus avellano), roasted peanut (Arachis hypogea), heated beans, Bantu beer, coriander seed (Coriandrum sativum L.) and other natural sources.
Uses 2-Acetylpyridine used as flavoring agent. It is also used in application for food additive.
Uses 2-Acetylpyridine is an aroma and flavour compound present in foods.
Preparation From ethyl picolinate
Definition ChEBI: 2-Acetylpyridine is an aromatic ketone.
Aroma threshold values Detection: 19 ppb
Taste threshold values Taste characteristics at 10 ppm: cornmeal with nutty, bready nuance
General Description 2-Acetylpyridine is a volatile flavor compound found in rye bread crust and roasted sesame. It has also been identified as a key contributor to the "scented rice"-like aroma in Yahonkaoluo leaves and Xiangjing-8618 rice.
 
2-Acetylpyridine Preparation Products And Raw materials
Raw materials Ethylpyrazine
Preparation Products 1,3-DI(2-PYRIDYL)-1,3-PROPANEDIONE-->Pyridine, 2-Methyl-6-(1H-pyrazol-3-yl)--->2,2':6',2''-TERPYRIDINE-4'-CARBALDEHYDE-->7-methoxy-4-methylquinoline-->2-PYRIDIN-2-YL-1H-INDOLE-->3,5-DI(2-PYRIDYL)PYRAZOLE-->1-PYRIDIN-2-YL-ETHYLAMINE-->4-(3,5-Ditert-butylphenyl)-2,6-dipyridin-2-ylpyridine-->4'-(4-AMINOPHENYL)-2,2':6',2''-TERPYRIDINE-->4',4''''-(1,4-PHENYLENE)BIS(2,2':6',2''-TERPYRIDINE)-->α-Methyl-2-piperidineMethanol-->2-Ethylpyridine-->2-(1H-PYRAZOL-3-YL)PYRIDINE

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