2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)

2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) has a variety of applications. DDQ is a deprotection agent for ketals, acetals, and thioacetals. It is a useful electron transfer reagent for synthesis of quinolones and an oxidizing agent used to synthesize steroids. Additionally, DDQ is used with Ph3P to synthesize 1,2-benzisoxazoles.

Product Specifications
4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile, DDQ

Formula: C₈Cl₂N₂O₂

MW: 227.01 g/mol

RTECS: GU 4825000

EINECS: 201-542-2

R-Phrases: R25,R29

Beilstein: 747939

S-Phrases: S22,S24/25,S37,S45

MDL: MFCD00001593

Merck Index: 13, 3088

UN 3439