Pharmaceutical Materials

CAS Number: 84-58-2

Molecular Formula: C8Cl2N2O2

Molecular Weight: 227.01 g/mol

Appearance: Bright yellow solid

Melting Point: 213-216°C

Solubility: Soluble in EtOAc, THF, benzene, dioxane, and acetic acid; slightly soluble in water

Usage: Used as a strong oxidant in organic synthesis.

 

Category	Information
Basic Information
Name	2.3-Dichloro-5.6-dicyano-1.4-benzoquinone
Abbreviation	DDQ
CAS Number	84-58-2
Molecular Formula	C8Cl2N2O2
Molecular Weight	227.01
Purity	99%
EINECS Number	201-542-2
Physical Properties
Appearance	Bright yellow solid
Melting Point	213~216°C
Solubility	Soluble in ethyl acetate and THF; moderately soluble in dichloromethane, benzene, dioxane, and acetic acid; slightly soluble in water
Stability and Hazards
Stability to Air	Stable
Hazard upon Water Contact	Releases HCN; must be handled in an anhydrous environment under inert gas protection
Health Hazards	Inhalation, ingestion, or skin absorption is harmful; emits toxic gases when heated; irritant
Applications
Main Uses	As a selective oxidant for organic compounds and an analytical reagent
Specific Applications	Widely used in dehydrogenation reactions, especially for steroidal compounds; also used in alcohol oxidation, aromatic ring benzyl position oxidation, carbon-carbon bond formation, and other organic reactions

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