Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Thiophene-2,3-dicarboxylic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

71189-23-6

71189-23-6 structure

71189-23-6 structure

Name: 2,3-Thiophenedicarboxylate
Chemical Name: Thiophene-2,3-Dicarboxylic Acid
CAS Number: 71189-23-6
Molecular Formula: C₆H₄O₄S
Molecular Weight: 172.159
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2018-08-04 16:11:45
Modify Date: 2024-01-11 17:01:29

Name	Thiophene-2,3-Dicarboxylic Acid
Synonyms	2-isocyanato-1,3-thiazole Thiophene-2,3-dicarboxylic acid 2,3-Thiophenedicarboxylate 2,3-Thiophenedicarboxylic acid

Density	1.7±0.1 g/cm3
Boiling Point	405.9±30.0 °C at 760 mmHg
Molecular Formula	C₆H₄O₄S
Molecular Weight	172.159
Flash Point	199.3±24.6 °C
Exact Mass	171.983032
PSA	102.84000
LogP	0.42
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.663

HS Code	2934100090

96-50-4 structure

96-50-4

32315-10-9 structure

32315-10-9

~%

71189-23-6 structure

71189-23-6

Literature: US6221865 B1, ; US6310095 B1, ; US2002/193596 A1, ; US6204293 B1, ;

Precursor 2
96-50-4 32315-10-9
DownStream 0

HS Code	2934100090
Summary	2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%