Product Overview
1,3-Butadiene is a reactive conjugated diene containing two carbon-carbon double bonds connected via one single covalent bond. This compound appears as a colorless combustible gas with faint aromatic notes, functioning as an irreplaceable monomer for synthesizing synthetic rubber and various polymer materials.
As an indispensable petrochemical raw material, industrial-grade butadiene is mostly extracted from the steam cracking process of hydrocarbon feedstocks. It is widely applied to produce elastic materials featuring outstanding elasticity and abrasion resistance. For cross-border bulk transportation, butadiene is conventionally loaded and shipped via certified tank container. The specialized tank container provides airtight, pressure-resistant storage space, ensuring stable containment of gaseous butadiene during highway, sea and multimodal transit. Compliant tank container packaging safeguards transportation safety, prevents leakage of flammable butadiene, and meets global hazardous goods shipment standards for long-distance export logistics.
Basic Information
| CAS No. | 106-99-0 |
| UN No. | UN1010 (Butadiene, stabilized) |
| Molecular Formula | C₄H₆ |
| Hazard Classification | 2.1 (Flammable gas), 2.3 (Toxic gas) |
Key Attributes & Parameters
| Purity | Typically ≥99.5% for polymer-grade applications, with controlled levels of impurities such as vinyl acetylene, acetylenes, and carbonyls. |
| Physical State | Colorless gas at ambient conditions; usually stored and transported as a liquefied gas under pressure or refrigeration. |
| Boiling Point | -4.4°C (24.1°F) at atmospheric pressure. |
| Vapor Density | Heavier than air (~1.87 relative to air). |
| Polymerization Inhibitor | Typically stabilized with inhibitors such as TBC (tert-butylcatechol) to prevent hazardous spontaneous polymerization during storage and transport. |
Features & Advantages
High Polymerization Activity
1,3-Butadiene features a unique conjugated double-bond molecular structure. Its electron delocalization endows the molecule with strong chemical activity, enabling smooth homopolymerization and random/block copolymerization under controllable reaction conditions. The polymerization process runs stably and is easy to regulate, facilitating customized synthesis of polymer macromolecules with targeted molecular weight and chain structures.
Wide Applicability As Rubber & Polymer Raw Material
Butadiene acts as the foundational raw material for mainstream synthetic rubber varieties. Beyond styrene-butadiene rubber, polybutadiene rubber and nitrile rubber, it is also used to manufacture thermoplastic elastomers, ABS resin and adhesive polymers. It occupies an irreplaceable position in the manufacturing of tires, hoses, sealing parts and industrial rubber supplies.
Superior Comprehensive Mechanical Properties
Polymer materials synthesized from butadiene boast prominent tensile resilience, anti-fatigue capacity and wear resistance. Such materials maintain stable flexibility at low ambient temperatures and will not harden or crack easily under cold conditions. They withstand repeated bending and stretching, well suited for automotive components, conveyor belts and other scenarios requiring long-term cyclic use.
Strong Copolymer Matching Performance
Butadiene delivers excellent copolymer compatibility with numerous vinyl monomers. It can react synergistically with styrene, acrylonitrile, isoprene and other raw materials. Manufacturers adjust monomer blending ratios flexibly to modify finished products' oil resistance, hardness, weather resistance and mechanical strength, catering to differentiated demands of construction, auto, electronics and daily chemical industries.
Functional Characteristics
Adjustable Polymerization Performance
1,3-Butadiene relies on its conjugated double bonds to realize polymerization through multiple reaction pathways. Producers can regulate molecular configurations to customize rubber performance. Export butadiene is transported by tank container. The sealed tank container shields cargo from external disturbances, preventing abnormal polymerization during shipping.
Rich Chemical Reactivity for Deep Processing
Apart from rubber polymerization, butadiene can conduct hydrogenation, halogenation and Diels-Alder reactions to produce chemical intermediates. The airtight tank container isolates butadiene from air and contaminants, retaining complete chemical activity for post-delivery processing.
Transport Safety Matched with Tank Container
Butadiene easily produces peroxides and triggers uncontrolled polymerization under high heat. Tank container serves as the mainstream shipping container for export butadiene. Equipped with inhibitors and thermal insulation, tank container maintains low-temperature sealed storage, curbing risks and complying with global hazardous goods logistics standards.
Primary Application Fields
Manufacture of Specialized Synthetic Rubber
Butadiene is the core feedstock for high-performance rubber goods. Modified SBR is widely adopted for vehicle tire sidewalls and industrial transmission belts. High-cis BR delivers high shock resistance for tire contact surfaces and sports goods. NBR modified with butadiene is ideal for oil-proof sealing rings, pipeline gaskets and automotive fuel pipeline accessories.
High-Impact Engineering Plastic Manufacturing
Butadiene works as a crucial copolymer monomer for ABS resin. This resin balances toughness and rigidity, fit for household electrical casings, auto interior components and daily hard plastic products. It effectively improves the anti-crack ability of plastic finished goods under collision and low temperature.
Fine Chemical Intermediate Synthesis
Butadiene participates in synthesis of multiple organic chemical raw materials. It is applied to synthesize adiponitrile and hexamethylenediamine for nylon production, and also used for preparing sulfolane solvent applied in petrochemical purification and extraction procedures.
Flexible Adhesive & Coating Raw Materials
When formulated into solvent and hot-melt adhesives, butadiene-based polymers bring good flexibility and bonding stickiness. Such adhesives are commonly used for industrial laminating, waterproof sealing and pressure-sensitive adhesive tapes.
Customer Collaboration Case
A large engineering plastics manufacturer aimed to improve the toughness and low-temperature resistance of ABS resin products. By adopting our high-purity stabilized 1,3-butadiene, the customer achieved more stable copolymerization reaction and uniform molecular structure.
Our low-impurity butadiene effectively enhanced the finished product's impact resistance and weather durability. Meanwhile, our professional tank container bulk transportation guaranteed stable quality for each batch. With consistent raw material performance, the customer successfully upgraded its plastic grade and expanded its supply capacity for automotive and electronic plastic parts.
FAQ
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