2,3-dihydro-Thieno[3,4-b]-1,4-dithiin

Synonym(s):2,3-Dihydrothieno[3,4-b][1,4]dithiine;3,4-Ethylenedisulfanylthiophene;3,4-Ethylenedithiothiophene;EDTT

CAS NO.：158962-92-6
Empirical Formula: C6H6S3
Molecular Weight: 174.31
MDL number: MFCD23098725
EINECS: 200-258-5
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-27 23:21:09

2,3-dihydro-Thieno[3,4-b]-1,4-dithiin Structural

What is 2,3-dihydro-Thieno[3,4-b]-1,4-dithiin?

The Uses of 2,3-dihydro-Thieno[3,4-b]-1,4-dithiin

EDTT can be electrochemically oxidized in acetonitrile to form poly(EDTT) films on the surface of the electrodes, which can be used in the fabrication of organic light emitting diodes (OLEDs) and organic photovoltaics (OPVs).

General Description

3,4-Ethylenedithiothiophene (EDTT) is a dithiin based conducting polymer that is a sulfur analog of 3,4-ethylendioxythiophene (EDOT) that is majorly used in optoelectronic and electrochemical devices.

Properties of 2,3-dihydro-Thieno[3,4-b]-1,4-dithiin

Boiling point:	288.7±29.0 °C(Predicted)
Density	1.374g/mLat 25℃
refractive index	n20/D 1.685
Flash point:	105°C
storage temp.	2-8°C

Safety information for 2,3-dihydro-Thieno[3,4-b]-1,4-dithiin

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 2,3-dihydro-Thieno[3,4-b]-1,4-dithiin

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