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Chloranil | CAS Number: 118-75-2

Catalog Number
ACM118752
Product Name
Chloranil
Structure
CAS Number
118-75-2
EC Number
204-274-4
IUPAC Name
2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione
Synonyms
1,2,4,5-tetrachlorobenzoquinone;1,4-Benzoquinone, 2,3,5,6-tetrachloro-;1,4-benzoquinone,tetrachloro-;2,3,5,6-Tetrachloro-1,4-benzoq;2,3,5,6-tetrachloro-2,5-cyclohexadiene-1,4-dione(chloranil);2,3,5,6-tetrachloro-4-benzoquinone;2,3,5,6-Tetrachlorobenzoquin
Molecular Weight
245.88
Exact Mass
243.86500
Molecular Formula
C6Cl4O2
Boiling Point
269.5ºC at 760 mmHg
Melting Point
289ºC
Flash Point
111.7ºC
Density
1.97 g/cm3
Purity
PRACTICAL
Appearance
Golden crystals
SMILES
C1(=C(C(=O)C(=C(C1=O)Cl)Cl)Cl)Cl
InChIKey
UGNWTBMOAKPKBL-UHFFFAOYSA-N
H-Bond Donor
0
H-Bond Acceptor
2
Safty Description
S22-S37-S60-S61
Hazard Statements
Xn:Harmful
WGK Germany
2
Stability
Stable under normal temperatures and pressures.
Packing Group
III
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1An Exceptionally Facile Two-Step Structural Isomerization and Detoxication via a Water-Assisted Double Lossen Rearrangement.

Li F1, Huang CH1, Xie LN1, Qu N1, Shao J1, Shao B1, Zhu BZ1,2.

Sci Rep. 2016 Dec 23;6:39207. doi: 10.1038/srep39207.

N-hydroxyphthalimide (NHPI), which is best known as an organocatalyst for efficient C-H activation, has been found to be oxidized by quinoid compounds to its corresponding catalytically active nitroxide-radical. Here, we found that NHPI can be isomerized into isatoic anhydride by an unusually facile two-step method using tetrachloro-1,4-benzoquinone (TCBQ, p-chloranil), accompanied by a two-step hydrolytic dechlorination of highly toxic TCBQ into the much less toxic dihydroxylation product, 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone (chloranilic acid). Read More

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Email:
Tel:1-201-478-8534
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Fax: 1-516-927-0118
Address: Suite 212, Waverly Plaza, 755 Waverly Avenue, Holtsville, NY 11742, USA