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"DDQ" redirects here. DDQ is also the former callsign of a TV station in Toowoomba, Australia.
style="background: #F8EABA; text-align: center;" colspan="2" | Identifiers
Abbreviations DDQ
CAS number 84-58-2 YesY
EC number 201-542-2
RTECS number GU4825000
style="background: #F8EABA; text-align: center;" colspan="2" | Properties
Molecular formula C8Cl2N2O2
Molar mass 227 g mol−1
Melting point

210-215 °C (dec.)

style="background: #F8EABA; text-align: center;" colspan="2" | Hazards
R-phrases R25 R29
S-phrases S22 S24/25 S37 S45
 YesY (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) is a reagent used in organic chemistry as a mild oxidizing agent. Used as a radical acceptor.


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External links

ja:2,3-ジクロロ-5,6-ジシアノ-p-ベンゾキノン zh:2,3-二氯-5,6-二氰对苯醌
  1. 2,3-Dichloro-5,6-dicyano-p-benzoquinone at Sigma-Aldrich