ChemicalBook > Product Catalog > Flavors and fragrances > Synthetic fragrances > Oxygen-containing heterocyclic compounds > Thiazole, thiophene, and pyridine > 2-Acetylthiophene
2-Acetylthiophene
- Product Name:2-Acetylthiophene
- CAS:88-15-3
- MF:C6H6OS
- MW:126.18
- EINECS:201-804-6
- Mol File:88-15-3.mol
-
2-Acetylthiophene Chemical Properties
- Melting point:10-11 °C(lit.)
- Boiling point:214 °C(lit.)
- Density 1.168 g/mL at 25 °C(lit.)
- vapor pressure 2.7 hPa (50 °C)
- refractive index n
20/D 1.565(lit.)
- Flash point:196 °F
- storage temp. Store below +30°C.
- solubility 14g/l
- form Liquid
- color Clear pale yellow to light brown
- Water Solubility Insoluble in water.
- Sensitive Light Sensitive
- BRN 107910
- InChIKeyWYJOVVXUZNRJQY-UHFFFAOYSA-N
- CAS DataBase Reference88-15-3(CAS DataBase Reference)
- NIST Chemistry ReferenceEthanone, 1-(2-thienyl)-(88-15-3)
- EPA Substance Registry SystemEthanone, 1-(2-thienyl)- (88-15-3)
- Hazard Codes T,Xi,Xn
- Risk Statements 25-23/24/25-20/21/22
- Safety Statements 45-38-36/37/39-28-36
- RIDADR UN 2810 6.1/PG 2
- WGK Germany 3
- RTECS OB6300000
- F 13
- Autoignition Temperature265 °C DIN 51794
- Hazard Note Irritant
- TSCA Yes
- HazardClass 6.1
- PackingGroup II
- HS Code 29349990
- ToxicityLD50 orally in Rabbit: 25 - 200 mg/kg LD50 dermal Rat 370 mg/kg
- Language:EnglishProvider:2-Acetylthiophene
- Language:EnglishProvider:SigmaAldrich
- Language:EnglishProvider:ACROS
- Language:EnglishProvider:ALFA
2-Acetylthiophene Usage And Synthesis
- Description2-Acetylthiophene occurs naturally in kohlrabi. It has a sulfurous nutty hazelnut odor. It can be used as a food additive. It is also used as an intermediate to produce drugs, such as Tiamonium Iodide, Suprofan, Stepronin, Tenonitrozole, Namirotene, etc.
- Chemical Propertiesclear colorless to slightly yellow liquid
- Synthesis Reference(s)Organic Syntheses, Coll. Vol. 2, p. 8, 1943
The Journal of Organic Chemistry, 36, p. 540, 1971 DOI: 10.1021/jo00803a011
Tetrahedron Letters, 40, p. 3109, 1999 DOI: 10.1016/S0040-4039(99)00476-1 - Safety ProfilePoison by intraperitoneal route. A flammable liquid. When heated to decomposition emits toxic fumes of SOx,.
- Purification MethodsFractionally distil the thiophene through a 12-plate column, and fraction b 77o/4mm is collected. Also wet the acetylthiophene in order to remove and free thiophene which forms an azeotrope with H2O, b 68o. Store it in a brown bottle, and the clear colourless liquid remains thus for extended periods. [Kosak & Hartough Org Synth Coll Vol III 14 1955, Hartough & Kosak J Am Chem Soc 69 3093 1947.] The red 4-nitrophenylhydrazone crystallises from EtOH with m 181-182o. [Beilstein 17/9 V 387.]
2-Acetylthiophene Preparation Products And Raw materials
- Raw materialsAcetyl chloride
- Preparation Products4-Bromo-2-thiophenecarboxylic acid5-[2-(METHYLTHIO)PYRIMIDIN-4-YL]THIOPHENE-2-SULFONYL CHLORIDE5-ACETYL-2-THIOPHENECARBALDEHYDE3-OXO-3-THIOPHEN-2-YL-PROPIONIC ACID ETHYL ESTER5-THIEN-2-YL-4H-PYRAZOLE-3-CARBOXYLIC ACIDEthyl 5-thien-2-yl-1H-pyrazole-3-carboxylate2-Thiopheneacetic acid1-(4-BROMO-2-THIENYL)ETHAN-1-ONE2-(2-BROMOACETYL)THIOPHENETHIOPHENE-2-ACETAMIDE2,4-DIOXO-4-THIOPHEN-2-YL-BUTYRIC ACID METHYL ESTER2-(2-thienyl)propionic acid1-[2-Hydroxy-2(2-thienyl)ethyl]pyridinium bromideN-(2-THIOPHENECARBOMYL)PYRIDINIUM BROMIDE
- 1,3-DI-2-THIENYL-2-PROPEN-1-ONE Cyclopropyl 2-thienyl ketone Thenoyltrifluoroacetone 1-(2-Thienyl)-1-propanone 2-Thiopheneglyoxylic acid 3-METHYL-2-ACETYLTHIOPHENE,1-(3-Methyl-2-thienyl)ethanone,76167<BR> 3-METHYL-2-ACETYLTHIOPHENE 1-(5-Methyl-2-thienyl)ethan-1-one 2-(4-METHOXYBENZOYL)THIOPHENE 2-ACETYL-5-CHLOROTHIOPHENE NOCODAZOLE 5-Bromo 2-acetylthiophene,2-Bromo-5-acetylthiophene,1-(5-Bromo-2-thienyl)ethanone N-ACETYL-L-TYROSINE ETHYL ESTER Paraquat dichloride Methyl acrylate Kresoxim-methyl 2-Acetylthiophene 3-Acetylthiophene Methanol
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