1,4-diethylbenzene
C10H14
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Identification
- CAS Number
- 105-05-5
- EC Number
- 203-265-2
- UN Number
- 2049
- PubChem CID
- 7734
Physical-chemical properties
- Molecular Formula
- C10H14
- Molar Mass
- 134.22 g/mol
- IUPAC Name
- 1,4-diethylbenzene
Chemical Identifiers
- InChI
- InChI=1S/C10H14/c1-3-9-5-7-10(4-2)8-6-9/h5-8H,3-4H2,1-2H3
- InChI Key
- DSNHSQKRULAAEI-UHFFFAOYSA-N
Overview
1,4-Diethylbenzene (CAS 105-05-5) is an aromatic hydrocarbon featuring two ethyl substituents positioned para to each other on the benzene ring. This symmetrical disubstituted benzene derivative belongs to the family of alkylbenzenes, which are important industrial intermediates and solvents in chemical manufacturing. With the molecular formula C10H14 and a molecular weight of 134.22 g/mol, 1,4-diethylbenzene exhibits typical aromatic compound characteristics while maintaining distinct properties due to its specific substitution pattern. The compound is classified under ADR Class 3 as a flammable liquid, requiring appropriate handling and storage protocols in industrial environments. The para-diethyl substitution pattern provides 1,4-diethylbenzene with enhanced stability compared to ortho-substituted isomers, making it particularly valuable in applications requiring thermal resistance. This structural configuration also influences its solubility characteristics and chemical reactivity, distinguishing it from other alkylbenzene derivatives. Like other compounds in this chemical family, including substances such as 2-ethylbutyl acetate, it finds applications in specialized industrial processes where specific molecular geometry is crucial. Primary industrial applications include its use as an intermediate in the synthesis of polymers and specialty chemicals, particularly in the production of engineering plastics and high-performance materials. The compound also serves as a solvent in certain chemical processes and as a starting material for the manufacture of more complex aromatic compounds. Its stability and well-defined structure make it suitable for research and development applications in pharmaceutical and agrochemical industries. OYSI provides 1,4-diethylbenzene to European industrial customers, ensuring reliable supply chains for chemical manufacturers and research institutions requiring this specialized aromatic intermediate.
Safety & Classification
No Hazard Classification
This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.
Transport (ADR)
| UN Number | 2049 |
| ADR Class | 3 |
| Packing Group | III |
| Tunnel Code | D/E |
| Proper Shipping Name | 1,4-Diethylbenzen |
| Marine Pollutant | No |
Frequently Asked Questions
What is 1,4-diethylbenzene?
1,4-diethylbenzene is an aromatic hydrocarbon compound with the molecular formula C10H14 and CAS number 105-05-5. This organic chemical consists of a benzene ring with two ethyl groups attached at the 1 and 4 positions (para-position). With a molecular weight of 134.22 g/mol, it belongs to the family of dialkylbenzenes and is commonly used as an industrial solvent and chemical intermediate in various manufacturing processes.
What are the physicochemical properties of 1,4-diethylbenzene?
1,4-diethylbenzene is a colorless liquid at room temperature with a characteristic aromatic odor typical of benzene derivatives. It has low solubility in water due to its hydrophobic nature but is readily soluble in organic solvents such as alcohols, ethers, and other hydrocarbons. The compound exhibits typical properties of aromatic hydrocarbons, including moderate volatility and flammability, making it suitable for various industrial applications requiring organic solvent properties.
What is 1,4-diethylbenzene used for?
1,4-diethylbenzene is primarily used as a chemical intermediate in the synthesis of various organic compounds and as an industrial solvent. It serves as a precursor in the production of polymers, resins, and specialty chemicals. The compound is also utilized in the manufacture of fragrances, dyes, and pharmaceutical intermediates. Its aromatic structure makes it valuable in chemical processes requiring aromatic solvents or as a starting material for further chemical modifications through substitution reactions.
How to handle 1,4-diethylbenzene safely?
1,4-diethylbenzene should be handled with standard precautions for flammable organic solvents. Wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation to prevent vapor accumulation and avoid ignition sources due to its flammable nature (ADR Class 3). Work in well-ventilated areas or under fume hoods, avoid skin and eye contact, and maintain good hygiene practices including thorough hand washing after handling.
How to store 1,4-diethylbenzene correctly?
1,4-diethylbenzene should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and ignition sources. Keep containers in areas with appropriate fire prevention measures due to its flammable classification (ADR Class 3, Packing Group III). Store away from oxidizing agents and incompatible materials. Ensure proper labeling and maintain storage temperatures below recommended limits to prevent vapor pressure buildup and potential container damage.
What to do in case of contact with 1,4-diethylbenzene?
1,4-diethylbenzene exposure requires immediate response measures depending on the route of contact. For skin contact, remove contaminated clothing and wash the affected area thoroughly with soap and water. In case of eye contact, rinse immediately with plenty of clean water for at least 15 minutes. If inhaled, move the person to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult safety data sheets for specific first aid procedures.
How to dispose of 1,4-diethylbenzene appropriately?
1,4-diethylbenzene must be disposed of in accordance with local, national, and international waste regulations as a flammable organic waste. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Do not discharge into drains, waterways, or soil. The waste should be classified according to local waste codes and handled by certified waste management facilities capable of treating flammable organic compounds. Maintain proper documentation throughout the disposal process.
How to transport 1,4-diethylbenzene?
1,4-diethylbenzene is classified as ADR Class 3 (flammable liquids), Packing Group III for transport purposes. This classification requires appropriate packaging, labeling, and documentation according to dangerous goods regulations. Containers must meet UN specification requirements and display proper hazard labels. Transport vehicles need appropriate placarding and drivers require ADR certification. Ensure compliance with quantity limitations and segregation requirements during transport operations across European borders.
Is 1,4-diethylbenzene subject to specific regulations?
1,4-diethylbenzene is subject to standard chemical regulations including REACH registration requirements in the European Union. It is not classified as a Substance of Very High Concern (SVHC) and currently has no specific GHS hazard classification beyond its flammable properties. Companies must comply with CLP regulation for classification and labeling, maintain safety data sheets, and follow workplace exposure guidelines. Regular regulatory monitoring is recommended as chemical regulations may evolve over time.
Where to buy 1,4-diethylbenzene in Europe?
1,4-diethylbenzene is available through OYSI, a specialized European distributor of technical chemicals and industrial raw materials. OYSI provides reliable supply chains across European markets with proper documentation, quality certificates, and regulatory compliance support. As an established chemical distributor, OYSI ensures product quality, appropriate packaging, and adherence to transport regulations. Contact OYSI directly for specific quantities, technical specifications, delivery options, and current availability in your region.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.