Basic

CAS No.	250-84-0
Product Name	thieno[2,3-b]thiophene
Synonyms	Thieno(2,3-b)thiophene; Thieno[2,3-b]thiophene
Molecular Formula	C6H4S2
Molecular Weight	140.226

Physical property

Density	1.367g/cm3
Boiling point	225.9°C at 760 mmHg
Flash point	64.3°C
Refractive index	1.728