ChemicalBook > Product Catalog > Pharmaceutical intermediates > Heterocyclic compound > Thiophene compounds > 2-Thiophenecarboxylic acid
2-Thiophenecarboxylic acid
- Product Name:2-Thiophenecarboxylic acid
- CAS:527-72-0
- MF:C5H4O2S
- MW:128.15
- EINECS:208-423-4
- Mol File:527-72-0.mol
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2-Thiophenecarboxylic acid Chemical Properties
- Melting point:125-127 °C(lit.)
- Boiling point:260 °C(lit.)
- Density 1.42
- refractive index 1.5160 (estimate)
- Flash point:259-261°C
- form solid
- pka3.49(at 25℃)
- Water Solubility 80 g/L (20 ºC)
- Merck 14,9354
- BRN 110150
- InChIKeyQERYCTSHXKAMIS-UHFFFAOYSA-N
- CAS DataBase Reference527-72-0(CAS DataBase Reference)
- NIST Chemistry Reference2-Thiophenecarboxylic acid(527-72-0)
- EPA Substance Registry System2-Thiophenecarboxylic acid (527-72-0)
- Hazard Codes Xi
- Risk Statements 36/37/38
- Safety Statements 26-36-37/39
- WGK Germany 3
- RTECS XM8330200
- Hazard Note Irritant
- TSCA Yes
- HS Code 29349990
- Language:EnglishProvider:Thiophene-2-carboxylic acid
- Language:EnglishProvider:ACROS
- Language:EnglishProvider:SigmaAldrich
- Language:EnglishProvider:ALFA
2-Thiophenecarboxylic acid Usage And Synthesis
- Chemical Propertieswhite to light yellow crystal powder
- DefinitionChEBI: A thiophenecarboxylic acid in which the carboxy group is located at position 2.
- Purification MethodsCrystallise the acid from water and dry it in a vacuum. The amide has m 181o(from H2O) and pK2 5 10.54(50% aqueous dioxane). [Beilstein 18 H 289, 18 I 438, 18 II 269, 18 III/IV 4011, 18/6 V 158.]
2-Thiophenecarboxylic acid Preparation Products And Raw materials
- Preparation Products3-(THIOPHEN-2-YL)ISOXAZOL-5-AMINE3-BROMOTHIOPHENE-2-CARBOXAMIDE7-DIETHYLAMINO-3-THENOYLCOUMARINBIS(2-THIENYL) KETONE5-BROMOTHIOPHENE-2-CARBONITRILE2-THIOPHENAMINE5-TERT-BUTYL-THIOPHENE-2-CARBOXYLIC ACID5-Nitrothiophene-2-carboxylic acid5-Bromo-2-thiophenecarboxylic acid2-THIOPHENECARBOXYLIC ACID SODIUM SALT
- 5-[2-(BENZYLOXY)PHENYL]-2-THIOPHENECARBOXYLIC ACID 5-(2-CHLOROPHENYL)-2-THIOPHENECARBOXYLIC ACID 5-(3,4-DIMETHYLPHENYL)-4-METHYL-2-THIOPHENECARBOXYLIC ACID 2,5-thiophene dicarboxylic acid diethyl ester 2-Amino-4,5-dimethylthiophene-3-carboxylic acid 5-(2-METHYLPHENYL)-2-THIOPHENECARBOXYLIC ACID Ethyl 2-(Chlorosulfonyl)acetate 2-Thiophenecarboxylic acid Ascoric Acid CARBOXYLIC ACID Folic acid Citric acid Tetrahydrothiophene Thifensulfuron Thifensulfuron methyl 3-Thiophenezoic acid 3-Thiophenemalonic acid Thiophene
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