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2-Thiophenecarboxylic acid

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Company Name: Henan DaKen Chemical CO.,LTD.
Tel: +86-371-66670886
Email: info@dakenchem.com
Products Intro: Product Name:2-Thiophenecarboxylic acid
CAS:527-72-0
Purity:99% Package:100g,500g,1KG,10KG,100KG
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: 0371-55170693
Email: info@tianfuchem.com
Products Intro: Product Name:2-Thiophenecarboxylic acid
CAS:527-72-0
Purity:0.99 Package:25KG,5KG;1KG;500G
Company Name: Hangzhou FandaChem Co.,Ltd.
Tel: 008615858145714
Email: fandachem@gmail.com
Products Intro: Product Name:2-thiophene carboxylic acid
CAS:527-72-0
Purity:as in COA Package:as customers' requirements
Company Name: ATK CHEMICAL COMPANY LIMITED
Tel: +86 21 5161 9050/ 5187 7795
Email: ivan@atkchemical.com
Products Intro: Product Name:thiophene-2-carboxylic acid
CAS:527-72-0
Purity:98% HPLC Package:5G;10G;25G;50G;100G;250G;1KG
Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
Tel: 86-0551-65418684 18949823763
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Products Intro: Product Name:2-Thiophenecarboxylic Acid
CAS:527-72-0
Purity:99.5 Package:1ASSAYS;1USD

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2-Thiophenecarboxylic acid Basic information
Uses
Product Name:2-Thiophenecarboxylic acid
Synonyms:2-Thenoic Acid 2-Thiophenic Acid Thiophene-2-carboxylic acid;LABOTEST-BB LT02016392;AKOS B022791;AKOS BBS-00003739;ALPHA-THENOIC ACID;2-THENOIC ACID;2-THIOPHENIC ACID;2-THIOPHENECARBOXYLIC ACID
CAS:527-72-0
MF:C5H4O2S
MW:128.15
EINECS:208-423-4
Product Categories:Building Blocks;C4 to C6;Heterocyclic Compounds;Miscellaneous;Chemical Synthesis;Heterocyclic Building Blocks;Thiophenes;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Thiophene&Benzothiophene;Organic acids;Building Blocks;Heterocyclic Building Blocks
Mol File:527-72-0.mol
2-Thiophenecarboxylic acid Structure
2-Thiophenecarboxylic acid Chemical Properties
Melting point 125-127 °C(lit.)
Boiling point 260 °C(lit.)
density 1.42
refractive index 1.5160 (estimate)
Fp 259-261°C
storage temp. Keep in dark place,Sealed in dry,Room Temperature
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)
Safety Information
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
MSDS Information
ProviderLanguage
Thiophene-2-carboxylic acid English
SigmaAldrich English
ACROS English
ALFA English
2-Thiophenecarboxylic acid Usage And Synthesis
Uses2-Thenoic Acid, is a sulfur-containing heterocyclic compound, used in the synthesis of pharmaceutical and biologically active compounds. It is also shown to be utilized by presumptive Rhodococcus bacterium in soil, as a sole source of carbon.
Chemical Propertieswhite to light yellow crystal powder
DefinitionChEBI: A thiophenecarboxylic acid in which the carboxy group is located at position 2.
Synthesis Reference(s)The Journal of Organic Chemistry, 30, p. 3520, 1965 DOI: 10.1021/jo01021a055
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.]
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