2-Acetyl pyrrole
2-Acetyl pyrrole Basic information
- Product Name:
- 2-Acetyl pyrrole
- Synonyms:
-
- (2-Pyrrolyl)ethanone
- 1-(2-Pyrrolyl)-1-ethanone
- 2-Acetyl-1H-pyrrole
- 2-Acetylpyrrole ,98%
- Methyl(1H-pyrrol-2-yl) ketone
- 2-Acetylpyrrole,99%
- 2-Acetylpyrrole, Methyl 2-pyrrolyl ketone
- 1-(1H-Pyrrol-2-yl)ethan-1-one , tech
- CAS:
- 1072-83-9
- MF:
- C6H7NO
- MW:
- 109.13
- EINECS:
- 214-016-2
- Product Categories:
-
- Flavor
- API intermediates
- Imidazoles, Pyrroles, Pyrazoles, Pyrrolidines
- Benzenes
- ketone
- pyrrole
- Mol File:
- 1072-83-9.mol
2-Acetyl pyrrole Chemical Properties
- Melting point:
- 88-93 °C (lit.)
- Boiling point:
- 220 °C (lit.)
- Density
- 1.1143 (rough estimate)
- refractive index
- 1.5040 (estimate)
- FEMA
- 3202 | METHYL 2-PYRROLYL KETONE
- Flash point:
- 220°C
- storage temp.
- Sealed in dry,Room Temperature
- form
- Crystalline Powder
- pka
- 14.86±0.50(Predicted)
- color
- White to beige
- Odor
- roasted odor
- Odor Type
- musty
- JECFA Number
- 1307
- BRN
- 1882
- LogP
- 0.93
- CAS DataBase Reference
- 1072-83-9(CAS DataBase Reference)
- NIST Chemistry Reference
- Ethanone, 1-(1H-pyrrol-2-yl)-(1072-83-9)
- EPA Substance Registry System
- 2-Acetylpyrrole (1072-83-9)
Safety Information
- Hazard Codes
- Xn,Xi
- Risk Statements
- 22-37/38-36/37/38
- Safety Statements
- 37/39-26-24/25-36
- WGK Germany
- 3
- RTECS
- OB5970000
- Hazard Note
- Harmful
- TSCA
- Yes
- HS Code
- 29339990
MSDS
- Language:English Provider:1-(1H-Pyrrol-2-yl)ethan-1-one
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
- Language:English Provider:ALFA
2-Acetyl pyrrole Usage And Synthesis
Description
2-acetyl pyrrole is a colorless or yellow liquid. It occurs naturally in cereals and cereal product and has an odor reminiscent of walnut, licorice, baked bread, baked hazelnut, and fish. It is used as a food additive, such as in cocoa, rum, brandy, caramel.
Description
Methyl 2-pyrrolyl ketone is like bread, walnut, licorice. May be prepared from pyrryl magnesium iodide and acetyl chloride; a volatile flavor component in roasted filberts.
Chemical Properties
Methyl-2-pyrrolyl ketone has an odor reminiscent of bread, walnut and licorice
Chemical Properties
white to beige crystalline powder
Occurrence
Reported found in essential oils of tobacco leaves, apple, asparagus, onion, baked and fried potato, roasted almonds, wheat bread, cooked chicken, cooked beef and pork, beer, malt whiskey, cocoa, coffee, tea, roasted filberts, and peanuts, peanut butter, potato chips, soybean, coconut, mushrooms, almond, mango, licorice, sweet corn, malt, wort, dried bonito, Bourbon vanilla, chicory root, okra, crab, scallop and clam.
Uses
2-Acetylpyrrole has been used in the synthesis of 2-acetyl-1-pyrroline.
Uses
hepatoprotectant, organoleptic
Definition
ChEBI: A pyrrole carrying an acetyl substituent at the 2-position.
Preparation
From pyrrole magnesium iodide and acetyl chloride; a volatile flavor component in roasted filberts
Synthesis Reference(s)
The Journal of Organic Chemistry, 48, p. 3214, 1983 DOI: 10.1021/jo00167a014
Tetrahedron Letters, 26, p. 4649, 1985 DOI: 10.1016/S0040-4039(00)98776-8
General Description
2-Acetylpyrrole undergoes alkylation reaction with alkyl iodide in benzene/solid KOH system in the presence of 18-crown-6 to yield the corresponding 1-alkyl derivative.
2-Acetyl pyrrole Preparation Products And Raw materials
Preparation Products
Raw materials
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2-Acetyl pyrrole(1072-83-9)Related Product Information
- METSULFURON METHYL
- Acetylacetone
- Methyl acetate
- Pyrrole
- N-Acetyl-L-cysteine
- Methyl salicylate
- Acetyl coenzyme A sodium salt
- Acetyl chloride
- Acetylferrocene
- Tribenuron methyl
- Thiophanate-methyl
- PIPERACETAZINE (250 MG)
- Kresoxim-methyl
- N-ACETYL-L-TYROSINE ETHYL ESTER
- 2-Acetylthiophene
- 2-Acetylthiazole
- Methyl
- Acetylpyrazine