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193526

Sigma-Aldrich

1,4-Diiodobenzene

99%

Synonym(s):

4-Iodophenyl iodide, p-Diiodobenzene, p-Phenylene diiodide

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About This Item

Empirical Formula (Hill Notation):
C6H4I2
CAS Number:
624-38-4
Molecular Weight:
329.90
Beilstein:
1904546
EC Number:
210-842-2
MDL number:
MFCD00001054
UNSPSC Code:
12352100
PubChem Substance ID:
24851598
NACRES:
NA.22

Quality Level

100

Assay

99%

form

powder

bp

285 °C (lit.)

mp

131-133 °C (lit.)

SMILES string

Ic1ccc(I)cc1

InChI

1S/C6H4I2/c7-5-1-2-6(8)4-3-5/h1-4H

InChI key

LFMWZTSOMGDDJU-UHFFFAOYSA-N

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Application

1,4-Diiodobenzene was used in:
  • total synthesis of martinellic acid, a naturally occurring bradykinin receptor antagonist
  • preparation of 1,4-bis(p-R-phenylethynyl)benzenes via Pd11/Cu1catalyzed cross-coupling reaction
  • synthesis of 1,4-diiodo-2,5-didodecylbenzene, starting reagent for the preparation of oligo(1,4-phenylene ethynylene)s
  • surface-mediated synthesis of epitaxially aligned and separated polyphenylene lines on Cu(110) via Ullmann dehalogenation reaction

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBK1725
STBJ2405
STBH5193
STBG4850V
STBG0516V

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Synthesis of symmetric and unsymmetric 1, 4-bis ( p-R-phenylethynyl) benzenes via palladium/copper catalyzed cross-coupling and comments on the coupling of aryl halides with terminal alkynes.
Nguyen P, et al.
Inorgorganica Chimica Acta, 220(1), 289-296 (1994)
D Ma et al.
Organic letters, 3(14), 2189-2191 (2001-07-07)
[reaction: see text] The first total synthesis of martinellic acid, a naturally occurring bradykinin receptor antagonist, via a CuI-catalyzed coupling reaction of beta-amino ester 6 with 1,4-diiodobenzene and a guanylation reaction of secondary amine 3 under mild conditions as key
Jieun Lee et al.
Scientific reports, 7(1), 13568-13568 (2017-10-21)
A flexible and free standing conjugated microporous polymer (CMP) membrane was prepared using a polyvinylpyrrolidone (PVP) electrospun membrane as a template. The PVP nanofibers of the template membrane were coated with a thin layer of the CMP through the in
J A Lipton-Duffin et al.
Small (Weinheim an der Bergstrasse, Germany), 5(5), 592-597 (2009-02-26)
The surface-mediated synthesis of epitaxially aligned and separated polyphenylene lines on Cu(110) by exploiting the Ullmann dehalogenation reaction is reported. Scanning tunneling microscopy (STM) and X-ray photoelectron spectroscopy (XPS) show that the C-I bonds of 1,4-diiodobenzene and 1,3-diiodobenzene (C(6)H(4)I(2)) are
Uta Funke et al.
Pharmaceuticals (Basel, Switzerland), 5(2), 169-188 (2012-01-01)
Phosphodiesterase 10A (PDE10A) is a key enzyme of intracellular signal transduction which is involved in the regulation of neurotransmission. The molecular imaging of PDE10A by PET is expected to allow a better understanding of physiological and pathological processes related to
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