2-(4-Chlorophenyl)oxirane
2-(4-Chlorophenyl)oxirane (CAS: 2788-86-5, C8H7ClO) is a chemical intermediate primarily used in organic synthesis. With a molecular weight of 154.59 g/mol, this epoxide serves as a versatile building block for creating more complex molecules. Its reactive oxirane ring allows for a range of chemical transformations, making it valuable in research and development settings for constructing novel compounds. Tech Serve Solutions supplies this chemical for laboratory and industrial applications.
- IUPAC
- 4-Chlorostyrene oxide
- Synonyms
- 4-Chlorostyrene oxide

Organic Synthesis Intermediate
This compound functions as a key intermediate in various organic synthesis pathways. Its epoxide functionality readily undergoes ring-opening reactions with nucleophiles, enabling the introduction of diverse functional groups.
Pharmaceutical Research
2-(4-Chlorophenyl)oxirane can be employed in the synthesis of potential pharmaceutical agents. It serves as a structural motif or a precursor for the development of new drug candidates.
Material Science
The reactive nature of the oxirane ring may allow its incorporation into polymer structures or as a modifier for material properties in specialized applications.
| Molecular weight | 154.59 |
|---|---|
| Empirical formula | C8H7ClO |
| Assay | 96% |
| Density | 1.283 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5520(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 20 °C / 68 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-36/37/38-43 |
| Safety statements (S) | 16-26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 2-(4-Chlorophenyl)oxirane used for?
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2-(4-Chlorophenyl)oxirane is used as an intermediate in organic synthesis, particularly in the research and development of pharmaceuticals and potentially in material science.
What are the CAS number and molecular formula for 2-(4-Chlorophenyl)oxirane?
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The CAS number is 2788-86-5, and the molecular formula is C8H7ClO.
What grade and purity does Tech Serve Solutions supply for 2-(4-Chlorophenyl)oxirane?
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Tech Serve Solutions supplies 2-(4-Chlorophenyl)oxirane with an assay of 96%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the primary hazards associated with 2-(4-Chlorophenyl)oxirane?
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2-(4-Chlorophenyl)oxirane is a flammable liquid and vapour (H225). It can cause skin irritation (H315), allergic skin reactions (H317), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment.
How is 2-(4-Chlorophenyl)oxirane packed, shipped, and exported?
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As a global supplier, Tech Serve Solutions adheres to strict regulations for packing, shipping, and exporting chemicals like 2-(4-Chlorophenyl)oxirane, ensuring compliance with international standards for hazardous materials.
How can I request a sample or quote for 2-(4-Chlorophenyl)oxirane?
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To request a sample or quote, please use the contact form on our website or reach out to our sales team, providing the product name and CAS number (2788-86-5).
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