2-phenylethylbenzene

C14H14

CAS103-29-7

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Identification

CAS Number
103-29-7
EC Number
203-096-4
UN Number
PubChem CID
7647

Physical-chemical properties

Molecular Formula
C14H14
Molar Mass
182.26 g/mol
IUPAC Name
2-phenylethylbenzene

Chemical Identifiers

InChI
InChI=1S/C14H14/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-10H,11-12H2
InChI Key
QWUWMCYKGHVNAV-UHFFFAOYSA-N

Overview

2-phenylethylbenzene (CAS 103-29-7) is an aromatic hydrocarbon compound featuring two benzene rings connected by an ethyl bridge, commonly known as dibenzyl. This organic compound, also referred to as 1,2-diphenylethane, belongs to the family of diarylethanes and serves as an important intermediate in various chemical synthesis processes. With its molecular formula C14H14 and molecular weight of 182.26 g/mol, 2-phenylethylbenzene exhibits typical aromatic characteristics while maintaining relatively stable chemical properties under normal conditions. The compound appears as a colorless to pale yellow liquid or solid depending on temperature, with a characteristic aromatic odor. Its structure consists of two phenyl groups connected by a two-carbon chain, providing both flexibility and aromatic stability. This unique molecular architecture makes it valuable in organic synthesis applications where aromatic functionalities are required. From a safety perspective, 2-phenylethylbenzene presents minimal hazard classification under current regulatory frameworks, with no specific GHS pictograms or signal words assigned. However, standard chemical handling procedures should always be followed, including appropriate personal protective equipment and adequate ventilation when working with this substance. In industrial applications, 2-phenylethylbenzene finds use primarily as a chemical intermediate in the synthesis of pharmaceuticals, specialty chemicals, and research compounds. It also serves as a starting material for various aromatic derivatives and can be employed in polymer chemistry applications. Additionally, the compound has applications in organic research laboratories for synthetic methodology development and as a model compound for studying aromatic systems. OYSI maintains reliable supply chains for 2-phenylethylbenzene to support European industrial and research customers with consistent quality and technical support.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Frequently Asked Questions

What is 2-phenylethylbenzene?

2-phenylethylbenzene is an organic aromatic hydrocarbon compound with the molecular formula C14H14 and CAS number 103-29-7. This substance consists of a benzene ring connected to another benzene ring via a two-carbon ethyl bridge, creating a biphenyl-like structure. With a molecular weight of 182.26 g/mol, it belongs to the family of aromatic hydrocarbons and exhibits typical properties of such compounds including stability and characteristic aromatic behavior.

What are the physicochemical properties of 2-phenylethylbenzene?

2-phenylethylbenzene is a colorless to pale yellow liquid at room temperature with a characteristic aromatic odor. As an aromatic hydrocarbon, it is practically insoluble in water but readily soluble in organic solvents such as alcohols, ethers, and other hydrocarbons. The compound has a relatively high boiling point due to its aromatic structure and molecular weight, and it exhibits low volatility under normal conditions.

What is 2-phenylethylbenzene used for?

2-phenylethylbenzene is primarily used as an intermediate in organic synthesis and chemical manufacturing processes. It serves as a building block for the production of pharmaceuticals, specialty chemicals, and advanced materials. The compound is also utilized in research applications, particularly in studies involving aromatic chemistry and as a model compound for investigating biphenyl-related structures. Its stability makes it valuable in various industrial synthetic pathways.

How to handle 2-phenylethylbenzene safely?

2-phenylethylbenzene should be handled with standard chemical safety precautions despite having no specific hazard classification. Wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and lab coats. Ensure adequate ventilation to minimize inhalation exposure. Avoid contact with skin and eyes, and prevent ingestion. Handle in well-ventilated areas or under fume hoods, and keep away from ignition sources as with most organic compounds.

How to store 2-phenylethylbenzene correctly?

2-phenylethylbenzene should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers upright and properly labeled with substance identification. Store away from strong oxidizing agents and incompatible materials. Maintain storage temperatures within recommended ranges and ensure containers are made of compatible materials. Regular inspection of storage containers for leaks or deterioration is recommended for safe long-term storage.

What to do in case of contact with 2-phenylethylbenzene?

In case of skin contact with 2-phenylethylbenzene, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15-20 minutes while holding eyelids open. If inhaled, move the person to fresh air and keep them at rest. If ingested, do not induce vomiting and seek medical attention. Always consult a physician if irritation persists or concerns arise.

How to dispose of 2-phenylethylbenzene properly?

2-phenylethylbenzene waste must be disposed of according to local, national, and European waste regulations. Do not pour down drains or dispose of with regular waste. Collect waste in appropriate containers and arrange for disposal through licensed hazardous waste management companies. The waste should be treated as organic chemical waste and may require special handling procedures. Always check current local regulations as disposal requirements may vary by jurisdiction and quantity.

How to transport 2-phenylethylbenzene?

2-phenylethylbenzene does not have a specific ADR classification, indicating it may not be subject to special dangerous goods transport requirements under standard conditions. However, standard chemical transport precautions should be followed including proper packaging in suitable containers, correct labeling, and appropriate documentation. Ensure compliance with general transport regulations for chemicals and verify current transport requirements with carriers, as classifications may be updated or specific conditions may apply.

Is 2-phenylethylbenzene subject to particular regulations?

2-phenylethylbenzene is not classified as a Substance of Very High Concern (SVHC) under REACH regulation and has no specific hazard classification under CLP. However, it remains subject to general REACH registration requirements if manufactured or imported in quantities exceeding one tonne per year. Standard chemical handling and workplace safety regulations apply. Always verify current regulatory status as classifications and restrictions may be updated, and additional local or sector-specific regulations may apply.

Where to buy 2-phenylethylbenzene in Europe?

2-phenylethylbenzene is available through OYSI, a reliable European distributor of specialty chemicals and industrial raw materials. OYSI provides quality chemical products to customers across Europe with proper documentation and regulatory compliance. For procurement, contact OYSI directly to discuss availability, specifications, quantities, and delivery options. As a professional chemical distributor, OYSI ensures proper handling, packaging, and transportation of chemical products according to European standards and regulations.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.