What is Thiophene? Structure, Properties, Uses & Applications
If you operate in the pharmaceutical intermediates, digital materials, chemicals, or great chemicals market, you have certainly experienced the crucial substance “thiophene.” Not just is it a classic sulfur-containing heterocyclic substance, however it is also among one of the most generally utilized foundation in contemporary natural synthesis.
From drug growth to OLED display screen products, from conductive polymers to chemical intermediates, thiophene has been widely applied in the production of numerous high-value-added items as a result of its exceptional chemical security and distinct aromaticity.
This short article offers a thorough summary of what thiophene is, why it is so essential, its main application areas, and vital factors to consider when purchasing, aiding you swiftly understand this vital chemical basic material.
What is the Framework of Thiophene ？
The structure of thiophene consists of a five-membered aromatic ring containing four carbon atoms and one sulfur atom. Its molecular formula is C FOUR H FOUR S. The sulfur atom adds one single pair of electrons to the aromatic π-electron system, developing 6 delocalized π electrons that please Hückel’s aromaticity rule.
This one-of-a-kind framework offers thiophene outstanding chemical stability, aromaticity, and versatility, making it an essential foundation in pharmaceuticals, agrochemicals, conductive polymers, and specialized chemicals.
-- What is Thiophene? --
Thiophene is among one of the most fundamental sulfur-containing five-membered aromatic heterocyclic compounds, with the molecular formula C ₄ H FOUR S. Structurally, it consists of 4 carbon atoms and one sulfur atom organized in a planar five-membered ring. Its digital structure satisfies Hückel’s regulation for aromaticity, providing it aromatic security comparable to that of benzene.
This stable aromatic structure makes thiophene a crucial substance in organic chemistry. It preserves high chemical stability while can undergoing various careful alternative reactions, making it a crucial intermediate in drugs, electronic chemicals, and great chemical markets.
--What are the architectural features of thiophene? --
The most notable function of thiophene is that it comes from the course of sulfur-containing fragrant heterocycles. It exhibits a number of distinctive qualities:.
✅️ Five-membered ring framework.
✅️ One sulfur atom replacing a carbon atom.
✅️ Planar molecular geometry.
✅️ 6 π electrons developing a fragrant system.
✅️ High thermal security.
✅️ Immune to addition responses yet vulnerable to electrophilic substitution responses.
This special electron delocalization provides thiophene both security and reactivity, making it extremely ideal as a building block for intricate organic molecules.
--What are the physical and chemical properties of Thiophene? --
Item | Parameter |
Molecular Formula | C₄H₄S |
Molecular Weight | 84.14 |
Appearance | Colorless transparent liquid |
Odor | Benzene-like odor |
Boiling Point | Approx. 84℃ |
Melting Point | Approx. -38℃ |
Density | Approx. 1.05 g/cm³ |
Water Solubility | Slightly soluble in water |
Solubility | Easily soluble in organic solvents such as ethanol, diethyl ether and benzene |
Due to its good thermal stability and solvent compatibility, Thiophene can meet most organic synthesis reaction conditions.
--How is Thiophene Synthesized? --
Thiophene can be synthesized through numerous well-established lab and industrial approaches, relying on the desired purity, manufacturing scale, and downstream application. While academic research usually focuses on small artificial routes, industrial suppliers normally make use of maximized commercial processes that provide higher returns, lower pollutant degrees, and much better set consistency.
Among the most widely recognized strategies is the Paal– Knorr synthesis, where a 1,4-dicarbonyl compound reacts with sulfurizing agents such as phosphorus pentasulfide (P ₂ S ₅). This method is frequently utilized for preparing substituted thiophene derivatives due to the fact that it provides relatively mild response conditions and excellent structural versatility.
For massive industrial manufacturing, producers may take on vapor-phase catalytic sulfurization procedures making use of hydrocarbon feedstocks. These techniques enhance production effectiveness while minimizing manufacturing costs, making them suitable for supplying pharmaceutical intermediates, agrochemical intermediates, dyes, digital chemicals, and specialty great chemicals.
The choice of synthesis path depends upon a number of variables, consisting of:
▶️Desired molecular structure
▶️Purity requirements
▶️Manufacturing expense
▶️Ecological policies
▶️Application field
▶️Required production capability
When sourcing thiophene or its derivatives, purchasers generally pay more attention to the end product specs than the certain manufacturing route. Dependable suppliers ought to supply thorough high quality paperwork, consisting of:
☑️Certificate of Evaluation (COA).
☑️HPLC or GC purity reports.
☑️Set traceability.
☑️Security Data Sheet (SDS/MSDS).
☑️Steady batch-to-batch uniformity.
For pharmaceutical or electronic applications, impurity control is specifically important since trace sulfur-containing spin-offs can dramatically affect downstream synthesis and item efficiency.
--In which industries is thiophene primarily used? --
Thiophene applications span nearly the entire fine chemical industry chain.
Pharmaceutical intermediates
A large number of anticancer drugs, anti-inflammatory drugs, neurological drugs, and antibacterial agents contain thiophene rings.
Introducing a thiophene skeleton can enhance a drug’s lipophilicity, bioavailability, and metabolic stability, leading to a continuous increase in demand for high-purity thiophene among pharmaceutical companies.
Organic Electronic Materials
Thiophene remains an important monomer for OLEDs, organic solar cells, and conductive polymers. For example:
- Polythiophene
- PEDOT
- Organic Semiconductor
These materials have been widely applied in:
- OLED displays
- Flexible electronics
- Smart wearable devices
- Photovoltaic cells
Pesticide Industry
Many insecticides, herbicides, and fungicides use thiophene as a key intermediate.
Its stable structure enhances pesticide activity while improving environmental stability.
Dyes and Fine Chemicals
Thiophene can also be used in:
- Dye synthesis
- Fragrances and flavors
- Photosensitive materials
- High-performance resins
- Catalysts
With the development of the new energy industry, market demand continues to grow steadily.
--What Should Buyers Check When Purchasing Thiophene?--
When sourcing Thiophene CAS 110-02-1, buyers should look beyond the product name and quoted price. The first step is to confirm the required specification, purity, packaging, and intended application.
A reliable supplier should be able to provide basic quality documents such as a COA and SDS. For industrial or pharmaceutical-related applications, buyers may also want to review analytical results, batch information, impurity limits, and packaging details before placing a larger order.
1. Confirm the Required Specification
Different applications may have different purity and specification requirements. Buyers should confirm the target purity, testing method, appearance, moisture limits, and other parameters before comparing suppliers.
2. Review the COA
A Thiophene COA should match the agreed product specification and identify the relevant batch. Comparing COAs from different batches can also help buyers evaluate supply consistency.
3. Check Packaging and Storage
Thiophene is a volatile liquid, so packaging and storage should follow the applicable SDS and transportation requirements. Buyers should confirm whether the supplier can provide packaging suitable for the destination and planned handling conditions.
4. Evaluate Supply Stability
For repeated production, price is only one part of the purchasing decision. Stable batch quality, predictable lead times, documentation, communication, and the ability to support repeat orders can be equally important.
5. Ask for a Sample When Needed
For a new supplier, a sample can help the technical or purchasing team evaluate the material before moving to a larger order. The sample specification should be the same as, or clearly representative of, the commercial material being quoted.
--FAQ --
Thiophene is a sulfur-containing aromatic heterocyclic compound with the molecular formula C₄H₄S and CAS No. 110-02-1. It is a colorless liquid with a boiling point of about 84°C and is widely used as a chemical intermediate in organic synthesis. Its applications include pharmaceutical intermediates, dyes, specialty chemicals, and polymer-related materials.
Thiophene CAS 110-02-1 is mainly used as a building block in chemical synthesis. It is used in the production of pharmaceutical intermediates, fine chemicals, dyes, and specialty materials. Thiophene derivatives are also used in research and materials chemistry because the thiophene ring can be incorporated into a wide range of functional molecules.
Thiophene has the molecular formula C₄H₄S and a molecular weight of approximately 84.14 g/mol. It is a volatile, colorless liquid with a boiling point of around 84°C and limited solubility in water. Buyers should refer to the current product specification and SDS for detailed physical and handling information.
When sourcing Thiophene from a chemical supplier, buyers should check the required purity, specification, batch consistency, packaging, and available quality documents. A Thiophene COA can help confirm the analytical results of a specific batch, while the SDS provides important information about storage, handling, and transportation. For a new supplier, requesting a sample before a larger order can also help the technical or purchasing team evaluate the material.
Zhishangbio specializes in research, development and production of pharmaceutical intermediates, fine chemicals products and specialized materials. Our clients can rely on us for reliable and consistent chemical supplies. We provide a high quality product with complete documentation (COA and MSDS) as well as expert technical support.
In our work, Zhishangbio’s dedication to helping clients achieve a stable chemical supply that is sustainable and reliable is apparent.
Manufacturer of Thiophene
Zhishang Bio is a key partner in the global supply of surfactants, daily-use chemicals and other products. They focus on supplying high-purity and quality Thiophene.
We provide stable, cost-effective, and efficient one-stop purchasing solutions to global customers. We understand how important a reliable supply is to your business. Therefore, we strive to be the best in all aspects.
We have a close relationship with the leading manufacturers in order to guarantee that our products are of high quality and meet industry standards. We are able, through our large-scale purchasing and efficient supply management, to offer customers highly competitive market prices. We also offer flexible quotes based upon the volume of the purchase to help them optimize their production costs.
Our services are characterized by a highly developed logistics system. We achieve visual tracking through multiple warehouse layouts and digital logistic management systems both at home and abroad. This allows us to support multimodal intermodal transport such as rail, road, and sea.
Our service system is designed around the needs of our customers. Our team of professionals responds quickly 7×24 hours per day. We offer personalized services such as product packaging and customized packaging according to customer needs. We focus on creating stable, long-term strategic partnerships with our clients in order to achieve mutual growth.
The logistics system is one of the core advantages of our services. Through multiple warehousing layouts and digital logistics management systems at home and abroad, we achieve visual tracking of the entire transportation process, supporting multimodal intermodal transportation such as sea, rail, and road, strictly ensuring delivery timeliness, and even safe and compliant professional distribution for dangerous goods transportation.
We are committed to building a customer-centric service system. Our professional team provides 7 × 24-hour rapid response, which not only provides precise technical support and after-sales guarantee, but also offers personalized services such as product packaging and customized packaging according to customer needs. We focus on establishing long-term and stable strategic partnerships with our clients, achieving mutual growth through continuous value creation
By choosing us, you are not only selecting a supplier; you are also choosing a partner that is dedicated to your success. We will be happy to offer you free samples and detailed technical support.
Shandong Zhishang Bio Co., Ltd
Zhishang Bio, a subsidiary of Zhishang Chemical Co., Ltd., was established in 2016 and is a new type of chemical enterprise that integrates research and development, production, and sales. Zhishang Bio always adheres to the concept of “integrity management, strict quality control, customer first”.
Through continuous efforts, significant breakthroughs have been made in industries such as pharmaceutical intermediates, pesticide intermediates, food additives, and cosmetic raw materials. The domestic trade team sells well throughout the country, while the foreign trade team is exported to more than 30 countries and regions including the United States, Russia, Spain, Brazil, and enjoys a global reputation.
Invited to participate in this exhibition, Zhishang Bio will comprehensively showcase the company’s strength and achievements in the research and development, production, and quality control of pharmaceutical and pesticide intermediates! At that time, our company will set up an CPHI exhibition at booth E12D29 at the venue, and we will take you to further understand our company’s advantageous products in detail!
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