3-Methyl-2-thiophenecarboxylic acid

3-Methyl-2-thiophenecarboxylic acid Basic information

Product Name:	3-Methyl-2-thiophenecarboxylic acid
Synonyms:	2-Thiophenecarboxylic acid, 3-methyl-;3-METHYLTHIOPHENE-2-CARBOXYLIC ACID;3-METHYL-2-THENOIC ACID;3-METHYL-2-THIOPHENECARBOXYLIC ACID;RARECHEM AL BO 0517;3-Methylthiophene-2-carboxylic;3-METHYL-2-THIOPHENECARBOXLIC ACID;3-METHYL-2-THIOPHENE CARBOXYLIC ACID CHLORIDE
CAS:	23806-24-8
MF:	C6H6O2S
MW:	142.18
EINECS:	245-894-5
Product Categories:	Building Blocks;C4 to C6;Thiophenes & Benzothiophenes;Building Blocks;Chemical Synthesis;Heterocyclic Building Blocks;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;pharmacetical;Carboxylic Acids;Thiophenes & Benzothiophenes;Thiophene&Benzothiophene;Organic acids;Heterocyclic Building Blocks;Thiophenes;Azoles;blocks;Carboxes;Acids and Derivatives;Heterocycles;Heterocyclic Compounds;Carboxylic Acids
Mol File:	23806-24-8.mol

3-Methyl-2-thiophenecarboxylic acid Chemical Properties

Melting point	147-149 °C(lit.)
Boiling point	229.75°C (rough estimate)
density	1.365 (estimate)
refractive index	1.5300 (estimate)
storage temp.	2-8°C(protect from light)
form	solid
pka	3.68±0.10(Predicted)
color	White to Light yellow to Light orange
BRN	116184
CAS DataBase Reference	23806-24-8(CAS DataBase Reference)
NIST Chemistry Reference	3-Methyl-2-thiophenecarboxylic acid(23806-24-8)

Safety Information

MSDS Information

Provider	Language
3-Methyl-2-thiophenecarboxylic acid	English
ACROS	English
SigmaAldrich	English
ALFA	English

3-Methyl-2-thiophenecarboxylic acid Usage And Synthesis

Chemical Properties	white to light yellow crystal powder
Synthesis Reference(s)	The Journal of Organic Chemistry, 28, p. 914, 1963 DOI: 10.1021/jo01039a008 Tetrahedron Letters, 26, p. 1777, 1985 DOI: 10.1016/S0040-4039(00)98336-9
General Description	3-Methyl-2-thiophenecarboxylic acid has been used in the synthesis of zinc and cadmium carboxylate complexes.

3-Methyl-2-thiophenecarboxylic acid Preparation Products And Raw materials

Raw materials	Acetone-->Chromium(VI) oxide-->3-Methyl-2-thiophenecarboxaldehyde-->1-(3-methylthiophen-2-yl)butan-1-one-->3-Methyl-2-propionylthiophene-->2-Acetyl-3-methylthiophene-->3-Methylthiophene-->CARBON DIOXIDE-->Iodomethane
Preparation Products	3-METHYLTHIOPHENE-2-CARBONYL CHLORIDE-->4-Methyl-2-thiophenecarboxylic acid-->Carbamic acid, (3-methyl-2-thienyl)-, 1,1-dimethylethyl ester (9CI)-->RARECHEM AL BI 0178-->N-methoxy-N,3-dimethylthiophene-2-carboxamide

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