Thermo Scientific Chemicals

2,3-Dichloro-5,6-dicyano-1,4-benzoquinone, 98%, Thermo Scientific Chemicals

Catalog number: A11879.30
250 g, Each
Thermo Scientific Chemicals

2,3-Dichloro-5,6-dicyano-1,4-benzoquinone, 98%, Thermo Scientific Chemicals

Catalog number: A11879.30
250 g, Each
Quantity
Catalog number: A11879.30
also known as A11879-30
Price (EUR)
Quantity
-

Chemical Identifiers

CAS
84-58-2
IUPAC Name
4,5-dichloro-3,6-dioxocyclohexa-1,4-diene-1,2-dicarbonitrile
Molecular Formula
C8Cl2N2O2
InChI Key
HZNVUJQVZSTENZ-UHFFFAOYSA-N
SMILES
ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O
Appearance (Color)
Yellow to orange
Form
Powder or crystalline powder or crystals
Assay (Iodometric Titration)
≥97.5 to ≤102.5%
Identification (FTIR)
Conforms
Melting Point (clear melt)
213.0-219.0°C

Description

2,3-Dichloro-5,6-dicyano-1,4-benzoquinone is used as a reagent for oxidative couplings and cyclization reactions and dehydrogenation of alcohols, phenols and steroid ketones. It is also used in the synthesis of 1,2-benzisoxazoles. It is a useful electron-transfer reagent for synthesis of quinolines from imines and alkynes or alkenes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone is used as a reagent for oxidative couplings and cyclization reactions and dehydrogenation of alcohols, phenols and steroid ketones. It is also used in the synthesis of 1,2-benzisoxazoles. It is a useful electron-transfer reagent for synthesis of quinolines from imines and alkynes or alkenes.

Solubility
Soluble in benzene, methanol, acetic acid and dioxane.Slightly soluble in chloroform,, dichloromethane.

Notes
Store in a cool place. Incompatible with strong acids, strong bases, strong oxidizing agents and strong reducing agents.
RUO – Research Use Only

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    Safety and Handling


    Classification of the substance or mixture
    CLP classification - Regulation(EC) No 1272/2008
    Acute oral toxicity
    Category 3
    Label Elements
    Signal Word

    Danger

    Hazard Statements

    H301 - Toxic if swallowed

    EU Specific Hazard Statements

    EUH029 - Contact with water liberates toxic gas

    Precautionary Statements

    P264 - Wash face, hands and any exposed skin thoroughly after handling

    P301 + P330 + P331 - IF SWALLOWED: rinse mouth. Do NOT induce vomiting

    P405 - Store locked up