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702668

Thieno[3,2-b]thiophene

Name: Thieno[3,2-<I>b</I>]thiophene
Brand: ALDRICH

95%

Synonym(s):

1,4-Dithiapentalene, 1,4-Thiophthene

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About This Item

Empirical Formula (Hill Notation):

C₆H₄S₂

CAS Number:

251-41-2

Molecular Weight:

140.23

NACRES:

NA.23

PubChem Substance ID:

329762392

UNSPSC Code:

12352103

MDL number:

MFCD00179479

Assay:

95%

Form:

solid

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Properties

Quality Segment

100

assay

95%

form

solid

mp

53-58 °C

SMILES string

c1cc2sccc2s1

InChI

1S/C6H4S2/c1-3-7-6-2-4-8-5(1)6/h1-4H

InChI key

VJYJJHQEVLEOFL-UHFFFAOYSA-N

Description

General description

Thieno(3,2-b)thiophene (TT) is an electron rich conjugated polymer that has a quinoidal structure with a narrow band gap. It facilitates a strong intermolecular networking.

Application

TT may be used as conjugated side chains in the synthesis of donor-acceptor copolymers. It finds potential applications in the enhancement of power conversion efficiency (PCE) for organic solar cells.

pictograms

GHS07

signalword

Warning

hcodes

H302,H315,H319,H335

pcodes

P261 - P264 - P270 - P301 + P312 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

210.0 °F

flash_point_c

98.9 °C

ppe

dust mask type N95 (US), Eyeshields, Gloves

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