2-Acetylpyridine

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+%;Ethanone, 1-(2-pyridinyl)- (9CI);acetylpyridine,2-acetylpyridine;2-Acetylpyridine 97%;2-Acetalpyridine
CAS:1122-62-9
MF:C7H7NO
MW:121.14
EINECS:214-355-6
Product Categories:Heterocycle-Pyridine series;ketone;pyridine Flavor;Pyridines derivates;ACETYLGROUP;Carbonyl Compounds;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.)
FEMA 3251 | 2-ACETYLPYRIDINE
refractive index n20/D 1.521(lit.)
Fp 164 °F
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility 170g/l
form Liquid
pkapK1: 2.643(+1) (25°C)
color Clear colorless to slightly brown
PH7 (100g/l, H2O, 20℃)
Odorroasted odor
Odor Typepopcorn
Water Solubility Soluble in water (18.2 g/100g @ 25C). Soluble in and acetate. Slightly soluble in carbon tetrachloride.
JECFA Number1309
BRN 107759
LogP0.85
CAS DataBase Reference1122-62-9(CAS DataBase Reference)
NIST Chemistry ReferenceEthanone, 1-(2-pyridinyl)-(1122-62-9)
EPA Substance Registry System2-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
8
Hazard Note Irritant
TSCA Yes
HS Code 29333999
MSDS Information
ProviderLanguage
2-AcetylpyridineEnglish
SigmaAldrichEnglish
ACROSEnglish
ALFAEnglish
2-Acetylpyridine Usage And Synthesis
IdentificationCAS.No.: 1122-62-9 FL.No.: 14.038FEMA.No.: 3251NAS.No.: 3251CoE.No.: 2315EINECS.No.: 214-355-6 JECFA.No.: 1309  
DescriptionA colorless liquid with tobacco-like aroma.
Regulatory StatusCoE: 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).
UsageReported uses (ppm): (FEMA, 1994)Food Category Usual Max  Baked goods 55Breakfast cereals 33Cheese 33Gravies 33Meat products 33Milk products 33Other grains 33Soft candy 33Soups 33
Natural occurrenceReported 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.
ProductionIt is obtained by bromination of ethylpyrazine, followed by oxidization to obtain it.
Chemical PropertiesA colorless liquid with tobacco-like aroma
Chemical Propertiesclear colorless to slightly brown liquid
OccurrenceReported 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.
Uses2-Acetylpyridine used as flavoring agent. It is also used in application for food additive.
Uses2-Acetylpyridine is an aroma and flavour compound present in foods.
DefinitionChEBI: 2-Acetylpyridine is an aromatic ketone.
PreparationFrom ethyl picolinate
Aroma threshold valuesDetection: 19 ppb
Taste threshold valuesTaste characteristics at 10 ppm: cornmeal with nutty, bready nuance
General Description2-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 materialsEthylpyrazine
Preparation Products1,3-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

دیدگاهی بنویسید

نشانی ایمیل شما منتشر نخواهد شد. بخش‌های موردنیاز علامت‌گذاری شده‌اند *

ترجمه علمی مطالب این صفحه

شما می توانید مطالب این صفحه را به فارسی ترجمه کنید

تبادل مواد اولیه

آموزش

مجله مهندسی مواد

دسته بندی های مواد در یک نگاه