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2-Acetylpyridine

2-Acetylpyridine

Xa kev nug

Khoom Taw qhia

2-Acetylpyridine Cov ntaub ntawv yooj yim
Kev Qhia Txog Tus Kheej Kev Tswj Xyuas Cov Txheej Txheem Kev Siv Lub Ntuj tshwm sim Ntau lawm
Khoom npe: 2-Acetylpyridine
Synonyms: 1-(2-pyridinyl)-ethanon;1-(2-Pyridinyl)ethanone;2-ACETYL PYRIDINE FEMA NO.3251;2-ACETYLPYRIDINE { {8}}%. 15}}(2-pyridinyl)-
CAS: 1122-62-9
MF: C7H7 Nr
MW: 121.14
EINECS: 214-355-6
Khoom Categories: Heterocycle-Pyridine series; ketone; ACETYLGROUP; Carbonyl Compounds; Pyridines derivates; pyridine tsw; Heterocycles; bc0001
Mol File: 1122-62-9.mol
2-Acetylpyridine Structure
 
2-Acetylpyridine Chemical Properties
Melting point 8-10 degree
Boiling point 188-189 degree (lit.)
ceev 1.08 g / mL ntawm 25 degree (lit.)
Refractive Index n20/D 1.521 (lit.)
FEMA 3251|2-ACETYLPYRIDINE
Fp 164 degree F
cia temp. Khaws nyob rau hauv qhov chaw tsaus, inert cua, chav tsev kub
solubility 170g/l
daim ntawv Ua kua
pka ua pK1: 2.643 (+1) (25 degree)
xim Ntshiab xim tsis muaj xim rau me ntsis xim av
PH 7 (100g / l, H2O, 20 degree)
tsw ci tsw
Hom tshuaj tsw qab paj kws
Dej Solubility Soluble hauv dej (18.2 g / 100g @ 25C). Soluble hauv thiab acetate. Me ntsis soluble hauv 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 Tshuaj Registry System 2-Acetylpyridine (1122-62-9)
 
Cov ntaub ntawv kev nyab xeeb
Hazard Codes Xi
Risk Statements 36/37/38-38
Cov lus hais txog kev nyab xeeb 26-36-37
RIDADR NA 1993 / PIB
WGK Germany 3
RTECS SIB 5310000
F 8
Ceeb toom Irritant
TSCA Yog lawm
HS Code 29333999
 
MSDS Cov Ntaub Ntawv
Tus kws kho mob Lus
2-Acetylpyridine Lus Askiv
SigmaAldrich Lus Askiv
ACROS Lus Askiv
ALFA Lus Askiv
 
2-Acetylpyridine Siv Thiab Synthesis
Kev txheeb xyuas
CAS Nr.:
1122-62-9
FL No.:
14.038
FEMA No.:
3251
NAS.:
3251
COJ No.:
2315
EINECS No.:
214-355-6
JECFA No.:
1309
 
 
Kev piav qhia Cov kua uas tsis muaj xim muaj xim zoo li luam yeeb.
Kev tswj hwm xwm txheej CoE: Siv ib ntus. Khoom noj khoom haus: 10 ppm
FDA: N/a
FDA (lwm yam): n/a
JECFA: ADI: Txais. Tsis muaj kev txhawj xeeb txog kev nyab xeeb ntawm cov theem tam sim no ntawm kev noj thaum siv los ua tus neeg sawv cev flavoring (2004).
Kev siv Qhia siv (ppm): (FEMA, 1994)
Qeb zaub mov
Ib txwm
Max
Cov khoom ci
5
5
Noj tshais cereals
3
3
Cheese
3
3
Gravies
3
3
Cov khoom noj nqaij
3
3
Cov mis nyuj
3
3
Lwm cov nplej
3
3
Cov khoom qab zib mos
3
3
Kua zaub
3
3
Ntuj tshwm sim Tshaj tawm pom muaj nyob rau hauv cov qhob cij nplej, lwm hom breads, boiled thiab siav nqaij nyuj, grilled thiab roasted nqaij nyuj, yaj (roasted), yaj thiab mutton siab, npias, ntau hom brandy, cocoa, dub tshuaj yej, roasted filbert (Corylus avellano), roasted peanut (Arachis hypogea), taum kub, Bantu npias, coriander noob (Coriandrum sativum L.) thiab lwm yam ntuj tsim.
Ntau lawm Nws yog tau los ntawm bromination ntawm ethylpyrazine, ua raws li oxidization kom tau nws.
Chemical Properties clear colorless rau me ntsis xim av kua
Chemical Properties Cov kua uas tsis muaj xim muaj xim zoo li luam yeeb
Qhov tshwm sim Tshaj tawm pom muaj nyob rau hauv cov qhob cij nplej, lwm hom breads, boiled thiab siav nqaij nyuj, grilled thiab roasted nqaij nyuj, yaj (roasted), yaj thiab mutton siab, npias, ntau hom brandy, cocoa, dub tshuaj yej, roasted filbert (Corylus avellano), roasted peanut (Arachis hypogea), taum kub, Bantu npias, coriander noob (Coriandrum sativum L.) thiab lwm yam ntuj tsim.
Siv 2-Acetylpyridine siv los ua cov tshuaj tsw qab. Nws kuj yog siv rau hauv daim ntawv thov rau zaub mov additive.
Siv 2-Acetylpyridine yog ib qho tshuaj tsw qab thiab tsw qab uas muaj nyob hauv cov khoom noj.
Kev npaj Los ntawm ethyl picolinate
Txhais ChEBI: 2-Acetylpyridine yog ib qho tshuaj tsw qab ketone.
Aroma pib qhov tseem ceeb Nruas: 19 pb
Saj pib qhov tseem ceeb Cov yam ntxwv saj ntawm 10 ppm: cornmeal nrog nutty, bready nuance
Kev piav qhia dav dav 2-Acetylpyridine yog ib qho tshuaj tsw qab uas muaj nyob hauv rye qhob cij crust thiab roasted sesame. Nws kuj tau raug txheeb xyuas tias yog ib qho tseem ceeb pab rau "scented rice"-zoo li aroma hauv Yahonkaoluo nplooj thiab Xiangjing-8618 mov.
 
2-Acetylpyridine Kev Npaj Cov Khoom Siv Thiab Cov Khoom Raw
Cov khoom nyoos Ethylpyrazine
Cov khoom npaj 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

Cim npe nrov: 2-acetylpyridine, Tuam Tshoj 2-acetylpyridine manufacturers, lwm tus neeg, Hoobkas

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