3,4-Diaminothiophene dihydrochloride

Description	This material is a synthetic intermediate for organic electronics materials such as Arylenediimide-thiophene Derivatives for Organic n-channel field-effect transistors. 1They are also integral to the synthesis of thienopyrazine-based materials as low band gap materials for Organic Photovoltaic applications2 and as copolymer units for sensor applications.3
IUPAC Name	Thiophene-3,4-diamine;dihydrochloride
Molecular Weight	187.09
Molecular Formula	C4H8Cl2N2S
Canonical SMILES	C1=C(C(=CS1)N)N.Cl.Cl
InChI	InChI=1S/C4H6N2S.2ClH/c5-3-1-7-2-4(3)6;/h1-2H,5-6H2;2*1H
InChI Key	RAMOMCXNLLLICQ-UHFFFAOYSA-N
Boiling Point	385.5 ºC/760mmHg (lit.)
Melting Point	>150 °C
Purity	95%+
Appearance	Gray or brown crystalline powder
Application	3,4-Diaminothiophene dihydrochloride can be used in the synthesis of thieno[3,4-b]pyrazine for thermoelectric applications. It can also be used in the synthesis of acenaphtho[1,2-b]thieno[3,4-e]pyrazine based acceptor molecules for the fabrication of organic transistors.
Storage	Keep in dark place,Inert atmosphere,2-8 °C
Assay	0.97
MDL Number	MFCD00671511
Packaging	1, 5 g in glass bottle
Quality Level	100