Skip to Content
Merck
All Photos(1)

Key Documents

More Documents

Safety Information

331570

Sigma-Aldrich

2,5-Diiodothiophene

98%

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C4H2I2S
CAS Number:
625-88-7
Molecular Weight:
335.93
EC Number:
210-915-9
MDL number:
MFCD00014525
UNSPSC Code:
12352100
PubChem Substance ID:
24859977
NACRES:
NA.22

Quality Level

100

Assay

98%

form

solid

bp

139-140 °C (lit.)

mp

37-41 °C (lit.)

storage temp.

2-8°C

SMILES string

Ic1ccc(I)s1

InChI

1S/C4H2I2S/c5-3-1-2-4(6)7-3/h1-2H

InChI key

PNYWRAHWEIOAGK-UHFFFAOYSA-N

General description

The multilayer desorption behavior of 2,5-diidothiophene was studied.

Application

2,5-Diiodothiophene was used in the preparation of oligothiophene films. It was used in maskless fabrication of periodic patterns of a conjugated polymer. It was also used in fabrication of oligothiophene and polythiophene micropatterns.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

204.8 °F - closed cup

Flash Point(C)

96.00 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

331570-BULK:
331570-5G:4548173988016
331570-VAR:
331570-1G:4548173988023

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Photochemical production of oligothiophene and polythiophene micropatterns from 2, 5-diiodothiophene on Au in UHV.
Liu G, et al.
Surface Science, 592(1), L305-L309 (2005)
Guangming Liu et al.
The journal of physical chemistry. B, 110(41), 20197-20201 (2006-10-13)
The multilayer desorption behavior of 2,5-diidothiophene and the dendritic aggregation of photochemical reaction products during the desorption of 2,5-diiodothiophene multilayers have been studied. Like many other aromatic compounds, 2,5-diiodothiophene shows a multilayer desorption behavior different from the typical zeroth-order kinetics
Sudarshan Natarajan et al.
The journal of physical chemistry. B, 110(15), 8047-8051 (2006-04-14)
This paper describes the details of surface reactions producing >100-nm-thick conjugated polymer films. When 2,5-diiodothiophene films deposited on copper are irradiated with UV at room temperature in Ar environments, oligothiophene films are synthesized. The average conjugation length of the produced
Sudarshan Natarajan et al.
Langmuir : the ACS journal of surfaces and colloids, 21(15), 7052-7056 (2005-07-13)
Maskless fabrication of periodic patterns of a conjugated polymer is achieved by regioselective condensation of 2,5-diiodothiophene on chemically patterned substrate surfaces followed by in situ photochemical conversion of the condensed molecules into oligothiophenes and polythiophenes. This approach utilizes preferential aggregation

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service