Agent Name

Dichlorodicyanobenzoquinone

CAS Number

84-58-2

Formula

C8-Cl2-N2-O2

Major Category

Nitrogen Compounds

Synonyms

1,2-Dichloro-4,5-dicyanobenzoquinone; 2,3-Dichloro-5,6-dicyano-p-benzoquinone; 2,3-Dichloro-5,6-dicyano-p-quinone; 2,3-Dichloro-5,6-dicyanobenzoquinone; 2,3-Dichloro-5,6-dicyanoquinone; 2,3-Dicyano-5,6-dichloro-1,4-benzoquinone; 2,3-Dicyano-5,6-dichlorobenzoquinone; 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile; 5,6-Dichloro-2,3-dicyano-p-benzoquinone; 5,6-Dicyano-2,3-dichloro-p-benzoquinone; DDQ; Dichlorodicyano-p-benzoquinone; Dichlorodicyanoquinone; 1,4-Cyclohexadiene-1,2-dicarbonitrile, 4,5-dichloro-3,6-dioxo-; 4,5-Dichloro-3,6-dioxocyclohexa-1,4-diene-1,2-dicarbonitrile; [ChemIDplus] UN3439

Category

Other Aromatics (Nitrogen)

Description

Yellow to orange solid; [Merck Index] Dark yellow powder; [Alfa Aesar MSDS]

Sources/Uses

Used in steroid synthesis (oxidizing agent); [Merck Index]

Comments

Intraperitoneal LD50 (mouse) = 31 mg/kg; Intravenous LD50 (mouse) = 13 mg/kg; [RTECS] Decomposed by water; [Merck Index] Reacts with water evolving toxic gases; An irritant; Toxic by ingestion; [Alfa Aesar MSDS] See "Hydroquinone." See "NITRILES."

Exposure Assessment
Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Nitriles, toxic, solid, n.o.s."

Links to Other NLM Databases
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