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2-Thiophenecarboxylic acid

2-Thiophenecarboxylic acid
2-Thiophenecarboxylic acid structure
CAS No.
527-72-0
Chemical Name:
2-Thiophenecarboxylic acid
Synonyms
2-TCA;AKOS B022791;THENOIC ACID;2-THENOIC ACID;AKOS BBS-00003739;2-THIOPHENIC ACID;ALPHA-THENOIC ACID;2-Carboxythiophene;RARECHEM AL BO 0213;TIMTEC-BB SBB004241
CBNumber:
CB1778926
Molecular Formula:
C5H4O2S
Formula Weight:
128.15
MOL File:
527-72-0.mol

2-Thiophenecarboxylic acid 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
pka
3.49(at 25℃)
form 
solid
Water Solubility 
80 g/L (20 ºC)
Merck 
14,9354
BRN 
110150
InChIKey
QERYCTSHXKAMIS-UHFFFAOYSA-N
CAS DataBase Reference
527-72-0(CAS DataBase Reference)
NIST Chemistry Reference
2-Thiophenecarboxylic acid(527-72-0)
EPA Substance Registry System
2-Thiophenecarboxylic acid(527-72-0)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
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
Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

2-Thiophenecarboxylic acid price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T32603 2-Thiophenecarboxylic acid ReagentPlus , 99% 527-72-0 25g $21.7 2018-11-13 Buy
Sigma-Aldrich T32603 2-Thiophenecarboxylic acid ReagentPlus , 99% 527-72-0 100g $53 2018-11-13 Buy
TCI Chemical T0218 2-Thiophenecarboxylic Acid >98.0%(T) 527-72-0 25g $57 2018-11-22 Buy
TCI Chemical T0218 2-Thiophenecarboxylic Acid >98.0%(T) 527-72-0 100g $175 2018-11-22 Buy
Alfa Aesar A12514 Thiophene-2-carboxylic acid, 99% 527-72-0 25g $19.9 2018-11-13 Buy

2-Thiophenecarboxylic acid Chemical Properties,Uses,Production

Chemical Properties

white to light yellow crystal powder

Definition

ChEBI: A thiophenecarboxylic acid in which the carboxy group is located at position 2.

Purification Methods

Crystallise 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

Raw materials

Preparation Products


2-Thiophenecarboxylic acid Suppliers

Global( 309)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 22043 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20786 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32651 55
Hangzhou FandaChem Co.,Ltd.
0086 158 5814 5714 (Mobile; WhatsApp; Telegram)
+86-571-56059825 fandachem@gmail.com CHINA 2464 55
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 24118 58
Accela ChemBio Inc.
(+1)-858-699-3322
(+1)-858-876-1948 info@accelachem.com United States 12234 58
QUALITY CONTROL CHEMICALS INC.
(323) 306-3136
(626) 453-0409 orders@qcchemical.com United States 8430 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 19997 58
Wuhan Kaymke Chemical Co., Ltd., 86-027-87342388 13476803900
86-027-87342388 sales@kaymke.com China 2965 55
Zhengzhou Huiju Chemical Co., Ltd. 0371-55900031 18137872243 QQ : 2853979815
0371-63486673 sales8@alfachem.cn China 5544 55

View Lastest Price from 2-Thiophenecarboxylic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-18 2-Thiophenecarboxylic acid
527-72-0
US $1.00 / kg 1kg as customer's need 500kg career henan chemical co

2-Thiophenecarboxylic acid Spectrum


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