CAS No.350-03-8,3-Acetylpyridine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	350-03-8
Name:	3-Acetylpyridine
Article Data:	128

Formula:	C₇H₇NO
Molecular Weight:	121.139
Synonyms:	beta-Acetylpyridine;1-pyridin-3-ylethanone;.beta.-Acetylpyridine;Pyridine, 3-acetyl-;Ethanone, 1-(3-pyridinyl)-;Methyl pyridyl ketone;1-(3-Pyridenyl)ethanone;Ketone, methyl 3-pyridyl;Methyl 3-pyridyl ketone;3-Pyridyl methyl ketone;FEMA No. 3424;3-acetyl pyridine;
EINECS:	206-496-7
Density:	1.06 g/cm³
Melting Point:	11-13 °C(lit.)
Boiling Point:	220.8 °C at 760 mmHg
Flash Point:	92.3 °C
Solubility:	soluble in hot water
Appearance:	clear colorless to yellow liquid
Hazard Symbols:	T, Xi, Xn
Risk Codes:	25-36/38-36/37/38-20/21/22
Safety:	45-37/39-28A-26-36
Transport Information:	UN 2810 6.1/PG 3
PSA:	29.96000
LogP:	1.28420

Synthetic route

: 14188-94-4
3-acetylpyridine N-oxide

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With (4,4′-di-tert-butyl-2,2′-bipyridine)bis[(2-pyridinyl)phenyl]iridium(III) hexafluorophosphate; di-tert-butyl 1,4-dihydro-2,6-dimethyl-3,5-pyridine-dicarboxylate In acetonitrile at 20℃; for 0.5h; Inert atmosphere; Irradiation; chemoselective reaction;	98%
With bis(tetra-n-butylammonium) tetrakis(benzenethiolato-μ3-sulfidoiron); thiophenol In methanol; acetonitrile at 20℃; for 20h; Product distribution;	86%
With ammonium formate; nickel In methanol at 40℃; for 2h;	69%
With ammonium formate; zinc In methanol for 6h; Heating;	65%
With benzyl alcohol at 120℃; for 6h; Inert atmosphere; Schlenk technique; chemoselective reaction;	92 %Spectr.

: 4754-27-2
1-(3-Pyridyl)ethanol

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With sulfuric acid; dihydrogen peroxide; sodium bromide In 1,4-dioxane; water at 70℃; Flow reactor; Green chemistry;	97%
With copper(l) iodide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium tert-butylate; L-proline In N,N-dimethyl-formamide at 25℃; for 5h;	90%
With oxygen; Azobenzene; sodium bromide In 1,4-dioxane at 80℃; for 36h;	90%

: 55676-25-0
3-(2-methyl-[1,3]dioxolan-2-yl)-pyridine

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With O-phenyl phosphorodichloridate; sodium iodide In benzene for 20h; Heating;	96%

: 52155-97-2
3-(α,α-ethyleenedithioethyl)pyridine

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With bismuth(III) chloride; benzyltriphenylphosphonium peroxymonosulfate In acetonitrile for 2h; Heating;	96%

: 536-78-7
3-ethylpyridine

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With tert.-butylhydroperoxide In ethylbenzene; water at 135℃; for 24h; Concentration; Temperature; Time; Sealed tube;	94.8%
With N-hydroxyphthalimide; oxygen; cobalt(II) diacetate tetrahydrate In acetic acid butyl ester at 90℃; under 760.051 Torr; for 12h; Solvent; Reagent/catalyst; Temperature;	84%
With nickel-doped graphene carbon nitride nanoparticles; air In ethanol at 25℃; for 8h; Irradiation; Green chemistry;	83%

: N,N’-bis(1-pyridine-3-yl-ethylidene)hydrazine

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With ammonium cerium(IV) nitrate In water; acetonitrile at 20℃; for 15h; Oxidation;	94%

: 32064-90-7
(1E,2E)-1,2-bis(1-(pyridin-3-yl)ethylidene)hydrazine

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With 2-phenyl-1,2-benzoisoselenazol-3(2H)-one; dihydrogen peroxide In methanol; water at 65℃; for 72h;	93%

: 6335-40-6
3-acetyl-pyridine semicarbazone

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With tetrachlorosilane; silica gel In hexane; water for 0.75h; Heating;	90%

: 626-55-1
3-Bromopyridine

: 75-36-5
acetyl chloride

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
Stage #1: 3-Bromopyridine With diisobutylaluminium hydride; magnesium; lithium chloride In tetrahydrofuran at 25℃; for 0.5h; Stage #2: acetyl chloride With copper(l) cyanide; lithium chloride In tetrahydrofuran at 25℃; for 1h;	90%

: 5973-84-2
N-phenyl-N'-(1-pyridin-3-yl-ethylidene)-hydrazine

: 350-03-8
methyl-3-pyridylketone

Conditions

Conditions	Yield
With tetrachlorosilane; silica gel In hexane; water for 0.25h; Heating;	85%

Raw Materials

676-58-4

626-55-1

93-60-7

917-54-4

Downstream Products

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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

DOT Classification: 3; Label: Flammable Liquid

Specification

The 3-Acetylpyridine, with its cas register number 350-03-8, has its IUPAC name of 1-pyridin-3-ylethanone. And this chemical is a kind of clear colorless liquid, and it is soluble in hot water, ethonal, and ethyl ether. Besides, its product categories are including acetylgroup;carbonyl compounds; heterocycles; pyridines, pyrimidines, purines and pteredines; pyridines derivates; pyridine flavor; osteoporosis. This chemical is usually used as the intermediate of risedronate sodium which could cure osteoporosis.

The characteristics of this chemical are as following: (1)XLogP3: 0.4; (2)H-Bond Donor: 0; (3)H-Bond Acceptor: 2; (4)Rotatable Bond Count: 1; (5)Tautomer Count: 2; (6)Exact Mass: 121.052764; (7)MonoIsotopic Mass: 121.052764; (8)Topological Polar Surface Area: 30; (9)Heavy Atom Count: 9; (10)Complexity: 112; (11)Covalently-Bonded Unit Count: 1.

Uses of 3-Acetylpyridine: 3-Acetylpyridine could react with pyridine-3-carbaldehyde to produce 1,3-di-pyridin-3-yl-propenone. The reaction condition is below: reagent: K2CO3; solvent: diethyl ether; reaction temp.: 0-20℃; field: 90%.

Producing method of 3-Acetylpyridine: 3-Ethynyl-pyridine could react in the following condtion to produce 3-Acetylpyridine: reagent: H2O, HgSO4, conc. H2SO4; solvent: acetone; reaction time: 2 hours; other condition: heating; field: 72%.

When you are dealing with this chemical, you should be very cautious. This is a kind of toxic chemical, and it could at low levels cause damage to health. If by inhalation, in contact with skin or if swallowed, it will have harmful damage to our health. Besides, it is irritant to eyes, respiratory system and skin, and it may also may cause inflammation to the skin or other mucous membranes. So we had better take the following instructions. Wear suitable gloves and eye/face protection, and if In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. And if in case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Besides, after contacting with skin, wash immediately with plenty of ... (to be specified by the manufacturer). When store it, keep it in the dry, cool, and well-ventilated storeroom.

Additionally, you could obtain the molecular structure through converting the following datas:
Canonical SMILES: CC(=O)C1=CN=CC=C1
InChI: InChI=1S/C7H7NO/c1-6(9)7-3-2-4-8-5-7/h2-5H,1H3
InChIKey: WEGYGNROSJDEIW-UHFFFAOYSA-N

Below are the toxicity information of this chemical:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
bird - wild	LD50	oral	178mg/kg (178mg/kg)		Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.
mouse	LD50	intraperitoneal	182mg/kg (182mg/kg)		Journal of Pharmaceutical Sciences. Vol. 64, Pg. 528, 1975.
quail	LD50	oral	422mg/kg (422mg/kg)		Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.
rat	LD50	oral	46uL/kg (0.046mL/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD MUSCULOSKELETAL: OTHER CHANGES	Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 681, 1992.