2,3-Dichloro-5,6-dicyano-1,4-benzoquinone

Molecular Formula
C8Cl2N2O2
Catalog Number
D2195
Supplier/Brand
Spectrum Chemical
CAS Number
84-58-2

2,3-Dichloro-5,6-dicyano-1,4-benzoquinone, also known as 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile, is a chemical reagent used in organic chemistry for the dehydrogenation of phenols, alcohols, and steroid ketones. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.


Synonyms: DDQ ; 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-carbonitrile

Shipping Information

Item must ship on ice via 2nd day air. During summer months, item will ship next day air. Additional freight charges will apply.

DOT: UN3439, Nitriles, toxic, solid, n.o.s. (2,3-Dichloro-5,6-dicyano-1,4-benzoquinone), 6.1, PG III

Largest individual container shippable via:

Tariff No. 2926905050

Storage Information

MOISTURE SENSITIVE, HEAT SENSITIVE, REFRIGERATE: Keep tightly closed.

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2023