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2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone

2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone / CAS : 84-58-2

Appearance Yellow to orange powder UN 3439
HS 29269090 DG Class 6.1
Synonyms DDQ; Dichlorodicyanoquinone; 4,5-Dichloro-3,6-Dioxocyclohexa-1,4-Diene-1,2-Dicarbonitrile; Dichlorodicyanobenzoquinone; 2,3-Dichloro-5,6-Dicyano-P-Benzoquinone; 2,3-Dichloro-5,6-Dicyanobenzoquinone; Dichlorodicyano-P-Benzoquinone; 2,3-Dichloro-5,6-Dicyanoquinone; 4,5-Dichloro-3,6-Dioxo-1,4-Cyclohexadiene-1,2-Dicarbonitrile; 1,2-Dichloro-4,5-Dicyanobenzoquinone; 2,3-Dichloro-5,6-Dicyano-P-Quinone; 2,3-Dicyano-5,6-Dichlorobenzoquinone; 5,6-Dichloro-2,3-Dicyano-P-Benzoquinone; 5,6-Dicyano-2,3-Dichloro-P-Benzoquinone; 2,3-Dicyano-5,6-Dichloro-1,4-Benzoquinone; Potassiumhexafluorophosphate; 1,2-Dicarbonitrile-4,5-Dichloro-3,6-Dioxo-1,4-Cyclohexadiene
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Properties

Summary

Formula
C8Cl2N2O2
Molecular Mass
227.00400
Exact Mass
225.93400
PSA
81.72000
Logp
1.17116
IUPAC
4,5-dichloro-3,6-dioxocyclohexa-1,4-diene-1,2-dicarbonitrile
SMILES
C#CC1=C(C(=O)C(=C(C1=O)Cl)Cl)C#C

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates
Agrochemicals > Pesticide Intermediates

Chemical and Physical Properties

Melting Point
210-215 °C (dec.)(lit.)
Density
1.7 g/cm3
Boiling Point
301.8 ºC
Flash Point
136.3 ºC
Appearance
Yellow to orange powder

Export information

HS Code
29269090
Export Rebate
13%
UN No.
3439
DG-Class
6.1
Risk Code
R25-29-41-37/38-20/21-23/24/25
Safety Label
T

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