(E)-but-2-ene

(E)-but-2-ene is an alkene hydrocarbon with the molecular formula C4H8 and CAS number 107-01-7. It is a geometric isomer of but-2-ene, characterized by the trans configuration where the methyl groups are positioned on opposite sides of the double bond. This organic compound has a molecular weight of 56.11 g/mol and belongs to the family of unsaturated hydrocarbons with one carbon-carbon double bond.

(E)-but-2-ene is a colorless gas at room temperature with a characteristic sweet odor typical of alkenes. It has a boiling point of approximately 0.9°C and is poorly soluble in water but readily soluble in organic solvents such as alcohols and ethers. The compound is lighter than air with a density of about 0.62 g/cm³ at liquid state and exhibits typical alkene reactivity due to its double bond.

(E)-but-2-ene is primarily used as a chemical intermediate in organic synthesis and petrochemical processes. It serves as a building block for producing various chemicals including polymers, synthetic rubbers, and specialty chemicals. The compound is also utilized in research applications for studying alkene chemistry and isomerization reactions. Additionally, it can be employed in the production of butylene oxide and other derivative compounds.

(E)-but-2-ene should be handled in well-ventilated areas or under inert atmosphere to prevent accumulation of vapors. Personnel should wear appropriate personal protective equipment including safety glasses, chemical-resistant gloves, and protective clothing. Avoid sources of ignition as the compound is flammable. Use proper grounding techniques when transferring the material and ensure all electrical equipment is explosion-proof rated for use with flammable gases.

(E)-but-2-ene should be stored in appropriate pressure vessels or cylinders designed for compressed gases in cool, dry, well-ventilated areas away from heat sources and ignition. Storage areas must be equipped with proper ventilation systems and gas detection equipment. Keep containers tightly sealed and avoid storage near oxidizing agents or incompatible materials. Temperature should be maintained below 40°C to prevent excessive pressure buildup.

Inhalation exposure to (E)-but-2-ene requires immediate removal of the affected person to fresh air and monitoring for respiratory symptoms. In case of skin contact, remove contaminated clothing and wash the affected area with soap and water. For eye contact, flush immediately with clean water for at least 15 minutes. Seek medical attention if symptoms persist or if significant exposure has occurred, particularly respiratory distress.

(E)-but-2-ene waste should be disposed of in accordance with local, national, and international environmental regulations. The compound should not be released directly into the atmosphere or sewage systems. Unused material should be returned to supplier when possible or disposed of through licensed hazardous waste disposal companies. Small quantities may be allowed to evaporate in well-ventilated areas under controlled conditions, following regulatory guidelines.

(E)-but-2-ene is classified under ADR Class 2 as a compressed gas for transportation purposes. It must be shipped in approved pressure vessels or cylinders that meet relevant transportation standards. Vehicles transporting this material should be properly placarded and drivers must have appropriate hazardous materials training. Transportation should comply with international dangerous goods regulations including proper documentation and emergency response information.

(E)-but-2-ene is subject to standard chemical regulations under REACH in Europe, requiring registration for commercial use above specified tonnages. It is not classified as a Substance of Very High Concern (SVHC) and does not have specific pictograms or signal words under CLP regulation. However, standard industrial chemical handling regulations apply, and users must comply with local workplace safety and environmental protection requirements.

(E)-but-2-ene is available through OYSI, a European distributor specializing in technical chemicals and industrial compounds. OYSI provides reliable supply chains across European markets with proper documentation and regulatory compliance. As a professional chemical distributor, OYSI ensures product quality and can provide technical support for industrial applications. Contact OYSI directly for availability, specifications, and delivery options in your region.