p-Benzoquinone
p-Benzoquinone (CAS: 106-51-4, C6H4(=O)2) is a vital organic compound with a molecular weight of 108.09 g/mol. It functions as a key dienophile in Diels-Alder reactions, facilitating the synthesis of complex naphthoquinone and phenanthrenedione structures. This high-purity reagent is essential in organic synthesis and various biochemical research applications.
- IUPAC
- Quinone
Diels-Alder Cycloadditions
p-Benzoquinone serves as a reactive dienophile in Diels-Alder reactions, enabling the formation of cyclic adducts. It is particularly noted for its utility in synthesising naphthoquinones and 1,4-phenanthrenediones.
Organic Synthesis Intermediate
As a versatile building block, p-Benzoquinone is employed in the synthesis of various organic molecules. Its quinone structure allows for diverse chemical transformations and the creation of complex molecular architectures.
Biochemical Research
This compound finds application in biochemical studies, including enzyme inhibition research and cell biology investigations. It is categorised under bioactive small molecules and biochemicals.
| Molecular weight | 108.09 |
|---|---|
| Linear formula | C6H4(=O)2 |
| Assay | ≥99.5% (HPLC) |
| Grade | reagent grade |
| Vapour pressure | 0.1 mmHg (25 °C) |
| Vapour density | 3.73 (vs air) |
| Autoignition temp | 815 °F |
| Melting point | 112-114 °C113-115 °C(lit.) |
| Application | Dienophile employed in Diels-Alder cycloadditions to form naphthoquinones,1 and 1,4-phenanthrenediones.2 |
Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2587 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-36/37/38-50 |
| Safety statements (S) | 26-28-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Greener Alternative Product Characteristics | Catalysis |
|---|---|
| Gene Information | human ... ACHE(43), BCHE(590), CES1(1066) |
| Sublimation Residue | ≤0.1% |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is p-Benzoquinone used for?
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p-Benzoquinone is primarily used as a dienophile in Diels-Alder cycloadditions to synthesise naphthoquinones and 1,4-phenanthrenediones, and in various organic synthesis and biochemical research applications.
What are the CAS number and molecular formula for p-Benzoquinone?
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The CAS number for p-Benzoquinone is 106-51-4, and its molecular formula is C6H4(=O)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies p-Benzoquinone in reagent grade with an assay of ≥99.5% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should p-Benzoquinone be handled safely?
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p-Benzoquinone is a toxic substance that can cause severe skin burns and eye damage. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a respirator, in a well-ventilated area. Refer to the Safety Data Sheet for full details.
Is p-Benzoquinone shipped internationally by TSS?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including p-Benzoquinone.
How can I request a quote or sample for p-Benzoquinone?
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To request a quote or sample of p-Benzoquinone, please contact our sales team via the website or your dedicated account manager.
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