Thieno[3,2-b]thiophene-2-carboxylic acid

Names

[ Name ]:
Thieno[3,2-b]thiophene-2-carboxylic acid

[Synonym ]:
Thieno[3,2-b]thiophen-2-carbonsaeure
Thieno[3,2-b]thiophene-2-carboxylic acid
thiopheno[3,2-b]thiophene-2-carboxylic acid
THI073
MFCD00115174
2-carboxy-thieno[3,2-b]thiophene

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
386.7±22.0 °C at 760 mmHg

[ Melting Point ]:
225-227ºC

[ Molecular Formula ]:
C₇H₄O₂S₂

[ Molecular Weight ]:
184.236

[ Flash Point ]:
187.6±22.3 °C

[ Exact Mass ]:
183.965271

[ PSA ]:
93.78000

[ LogP ]:
4.91

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.770

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S37/39

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%