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ChemicalBook > Product Catalog >Pharmaceutical intermediates >Heterocyclic compound >Thiophene compounds >4-Methyl-2-thiophenecarboxylic acid

4-Methyl-2-thiophenecarboxylic acid

4-Methyl-2-thiophenecarboxylic acid Suppliers list
Company Name: Capot Chemical Co.,Ltd.
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Products Intro: Product Name:4-Methylthiophene-2-carboxylic acid
CAS:14282-78-1
Purity:98% (Min,HPLC) Package:100g;1kg;5kg,10kg,25kg,50kg
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-66670886
Email: info@dakenam.com
Products Intro: Product Name:4-Methylthiophene-2-carboxylic acid
CAS:14282-78-1
Purity:99.00% Package:100g,1KG,10KG,100KG
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Products Intro: Product Name:4-Methyl-2-thiophenecarboxylic acid
CAS:14282-78-1
Purity:97%-99% Package:1KG;8.8USD
Company Name: Accela ChemBio Inc.
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Products Intro: Product Name:4-Methylthiophene-2-carboxylic Acid
CAS:14282-78-1
Purity:>=97% Package:1g;5g;10g;25g;100g;500g
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Products Intro: Product Name:4-methylthiophene-2-carboxylic acid
CAS:14282-78-1
Purity:0.98 Package:1kg,2kg,5kg,10kg,25kg

4-Methyl-2-thiophenecarboxylic acid manufacturers
4-Methyl-2-thiophenecarboxylic acid Basic information
Product Name:4-Methyl-2-thiophenecarboxylic acid
Synonyms:BUTTPARK 99\15-30;ASINEX-REAG BAS 07664671;2-Carboxy-4-methylthiophene;2-Carboxy-4-methylthiophene, 4-Methyl-2-thenoic acid;4-Methylthiophene-2-carboxylic acid 97%;4-Methyl-2-thiophenecarboxylic acid;4-methylthiophen-2-carboxlic acid;4-methylthiophen-2-carboxylic acid
CAS:14282-78-1
MF:C6H6O2S
MW:142.18
EINECS:
Product Categories:OthersBuilding Blocks;Heterocyclic Building Blocks;Protecting and Derivatizing Reagents;Protection and Derivatization;Thiophenes;Thiophen;Thiophene&Benzothiophene;Thiophens
Mol File:14282-78-1.mol
4-Methyl-2-thiophenecarboxylic acid Structure
4-Methyl-2-thiophenecarboxylic acid Chemical Properties
Melting point 122-126 °C(lit.)
Boiling point 158 °C(Press: 16 Torr)
density 1.319±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
pka3.76±0.10(Predicted)
CAS DataBase Reference14282-78-1(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36-43
Safety Statements 26-37/39
WGK Germany 3
HazardClass IRRITANT
HS Code 29349990
MSDS Information
ProviderLanguage
SigmaAldrich English
4-Methyl-2-thiophenecarboxylic acid Usage And Synthesis
Chemical Propertieswhite to light yellow crystal powder
Synthesis Reference(s)Chemistry Letters, 12, p. 127, 1983
Tetrahedron Letters, 15, p. 2373, 1974 DOI: 10.1016/S0040-4039(01)92259-2
4-Methyl-2-thiophenecarboxylic acid Preparation Products And Raw materials
Raw materialsDiethyl ether-->Sodium-->1-Bromobutane-->2-Methylthiophene-->3-Methyl-2-thiophenecarboxylic acid-->3-Methylthiophene-->carbon monoxide-->Carbon dioxide
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