2689-69-2

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2689-69-2 Structure

Identification	Back Directory
[Name] METHYL 3-OXOTETRAHYDROTHIOPHENE-2-CARBOXYLATE
[CAS] 2689-69-2
[Synonyms] methyl tetrahydro-3-oxo-2-thenoate methyl 3-oxothiolane-2-carboxylate METHYL 3-OXOTETRAHYDROTHIOPHENE-2-CARBO& METHYL 3-OXOTETRAHYDROTHIOPHENE-2-CARBOXYLATE tetrahydro-3-oxo-2-thiophenecarboxylicacimethylester 3-Oxotetrahydrothiophene-2-carboxylic acid methyl ester Tetrahydro-3-oxo-2-thiophenecarboxylic acid methyl ester 3-ketotetrahydrothiophene-2-carboxylic acid methyl ester
[EINECS(EC#)] 220-257-4
[Molecular Formula] C6H8O3S
[MDL Number] MFCD00156156
[MOL File] 2689-69-2.mol
[Molecular Weight] 160.19

Chemical Properties	Back Directory
[Melting point ] 38 °C(lit.)
[Boiling point ] 232-254 °C0.1 mm Hg(lit.)
[density ] 1.281 g/mL at 1.281 °C(lit.)
[refractive index ] n20/D 1.511(lit.)
[Fp ] >230 °F
[storage temp. ] 2-8°C
[form ] Liquid
[pka] 11.11±0.20(Predicted)
[Water Solubility ] Slightly soluble in water.
[EPA Substance Registry System] 2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl ester (2689-69-2)

Hazard Information	Back Directory
[Uses] Methyl 3-oxotetrahydrothiophene-2-carboxylate is used in the production of dihydro-thiophen-3-one.
[Synthesis Reference(s)] Journal of the American Chemical Society, 68, p. 2229, 1946 DOI: 10.1021/ja01215a034

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