Molekula

2-Chloro-1,4-benzoquinone

SKU 10241791 CAS 695-99-8 C6H3ClO2 MW 142.54 Available on enquiry

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ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

2-Chloro-1,4-benzoquinone (CAS 695-99-8) is an aromatic chlorinated quinone used as an intermediate in organic synthesis, particularly for dyes, agrochemicals, and pharmaceuticals. It is a yellow crystalline solid with a strong odor, often employed in redox reactions and as a polymerization inhibitor. Catalogue details: Molecular formula C6H3ClO2, molecular weight 142.54 g/mol, stable at ambient storage conditions. Safety classification includes a signal word of Warning for skin, eye and respiratory irritation (H315, H319, H335). Molekula supplies 2-Chloro-1,4-benzoquinone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 10241791
CAS Number: 695-99-8
IUPAC Name: 2-chlorocyclohexa-2,5-diene-1,4-dione
Molecular Formula: C6H3ClO2
Molecular Weight: 142.54
Exact Mass: 141.9822
SMILES: C1=CC(=O)C(=CC1=O)Cl
InChIKey: WOGWYSWDBYCVDY-UHFFFAOYSA-N
InChI: InChI=1S/C6H3ClO2/c7-5-3-4(8)1-2-6(5)9/h1-3H
PubChem CID: 69671

Synonyms

2-Chloro-p-benzoquinone
2-chlorocyclohexa-2,5-diene-1,4-dione
2-Chloroquinone
2,5-Cyclohexadiene-1,4-dione, 2-chloro-
Chloro-1,4-benzoquinone
Chloro-p-benzoquinone
Chloroquinone
Monochloro-p-benzoquinone
Monochloroquinone
p-Benzoquinone, 2-chloro-

Frequently asked questions

What is 2-Chloro-1,4-benzoquinone (CAS 695-99-8) commonly used for?

It is primarily used as a reagent in organic synthesis, including as an oxidant and as a dienophile in Diels-Alder reactions, and in the preparation of dyes, pharmaceuticals, and agrochemicals.

What is the molecular formula and molecular weight of 2-Chloro-1,4-benzoquinone?

The molecular formula is C6H3ClO2, and the molecular weight is 142.54 g/mol.

How should 2-Chloro-1,4-benzoquinone be stored?

Store in a tightly sealed container at ambient temperature, away from moisture, heat, and direct sunlight.

What purity grades are available for this product?

Molekula supplies this product in technical grade and high-purity (98%+) forms—confirm availability for your specific needs.

Can Molekula supply 2-Chloro-1,4-benzoquinone in bulk quantities?

Yes, we offer bulk packaging options (e.g., 5 kg, 25 kg, or larger) for industrial and research-scale applications.

What documentation is provided with an order of 2-Chloro-1,4-benzoquinone?

Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.