Based on 9 reviews
Koei Chemical is a Japanese chemical products company specializing in nitrogen-containing compounds such as amines, pyridines, and pyrazines. The business was established on June 17, 1917, making it over 100 years old. They manufacture and sell a wide range of chemical products including ion liquids, formalin-related items, and custom synthesis services. Their headquarters are located at 1-8 Koganecho, Nihonbashi, Chuo-ku, Tokyo, Japan.
Their FAQ states that they do not typically accept research-only commissions or small-scale synthesis without mass production intent. They handle special flammable materials and have experience with high-pressure hydrogenation reactions. For custom synthesis, they require notification of the compound and production conditions to begin evaluation. They also offer consultation on suitable ion liquids based on specific application purposes.
The company's website states they have been operating for over 100 years since their founding in 1917. They have a history of being listed on the Tokyo Stock Exchange and have recently transitioned to a supervisory board structure. They are actively recruiting new graduates and experienced professionals for their evolving business landscape. Their corporate philosophy emphasizes leveraging 100 years of accumulated technology for future innovation.
Reviewers consistently praise the company's user-friendly website, which allows quick navigation to product information and ordering details. Customers highlight the outstanding and responsive customer service that addresses inquiries promptly. The quality of their chemical products is frequently described as top-notch and competitive in pricing. Many users express satisfaction with the fast and hassle-free delivery process.
The Trustburn rating is 4.2 out of 5 stars based on 9 reviews posted between February 2023 and November 2023. The rating split includes five 5-star reviews, four 4-star reviews, and two 3-star reviews. All feedback is recent, with the most recent review dated November 17, 2023. No negative or 1-star reviews were recorded in this dataset.
A specific feature mentioned is their ability to adjust dissolution properties of ion liquids by selecting appropriate ion combinations. They also offer a wide range of amine compounds categorized by functional groups like amino, hydroxyl, and carbonyl bases. The company provides detailed product searches by CAS number and keywords. Their production capabilities include gas-phase reaction equipment and high-pressure autoclaves up to 9MPa.
The FAQ explicitly states that they offer samples for certain products upon inquiry. For ion liquid samples, they respond flexibly based on the client's development status and can guide users to suitable options. Product packaging varies by type, and customers are advised to contact them for specific details. They also provide information on product forms and scales, such as 1kg and 18kg cans for ion liquids.
The website mentions participation in several trade shows, including Chemical Materials Japan 2026 and the 5th Sustainable Materials Exhibition in Osaka. They also published a special report in 2026 featuring an interview with Kawasaki Heavy Industries. Their news releases cover topics from disaster support to corporate governance changes. They maintain an IR calendar and library for investors.
The company has a dedicated section for sustainable materials and responsible care initiatives. They emphasize their unique research and development capabilities in nitrogen-containing compounds. Their production equipment includes high-pressure hydrogenation reactors and gas-phase reaction systems. They also maintain a comprehensive quality assurance system and offer technical information on analysis and synthesis methods.
The company's website mentions that they have a supervisory board structure and are transitioning to a new governance model. They also note that their stock was delisted on July 30, 2026. Their fiscal year ends in March, and they publish interim dividends in September. They have a history of being listed on the Tokyo Stock Exchange and have a strong focus on nitrogen-containing compound technology.
Koei Chemical is located at 中央区日本橋小網町1-8, 茅場町高木ビル, 日本橋 小 網 町 1 番 8 号, Chūō Ku, Tokyo.
You can reach Koei Chemical by phone at 0368379300.
The official website of Koei Chemical is koeichem.com.
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The company has a great website that makes it easy to find the information I need. I recently purchased some products from them and I was very satisfied with the quality. The customer service was outstanding and they were very helpful throughout the process. I would definitely recommend them to others.
I've been a customer of Koei Chemical for several years now and they have never disappointed me. The website is very easy to navigate and their products are of the highest quality. The customer service is outstanding and they always make sure to address any concerns promptly. I highly recommend Koei Chemical to anyone in need of chemical products.
I've been ordering from this company for a while now and I am always satisfied with their products. The website is easy to navigate and the ordering process is simple. The customer service is excellent and they always respond promptly to any inquiries. I would highly recommend Koei Chemical to anyone looking for high-quality chemical products.
Koei Chemical is absolutely fantastic! 😄 Their website is user-friendly and provides all the information you need. The customer service is exceptional, they were very responsive and assisted me with all my queries. I recently purchased their products and I'm extremely satisfied with the quality. I highly recommend Koei Chemical to everyone!
I had a great experience with Koei Chemical. Their website, koeichem.com, is very user-friendly and easy to navigate. I found all the information I needed about their products quickly. The customer service was excellent and they were very helpful in answering all my questions. The products I ordered were delivered promptly and were of high quality. I highly recommend Koei Chemical for all your chemical needs. Their service is truly top-notch.
Koei Chemical is absolutely amazing! 😊✨ Their website is so easy to use and they offer a wide range of high-quality products. The customer service is outstanding and they go above and beyond to ensure customer satisfaction. I recently placed an order and it arrived quickly and in perfect condition. I am a loyal customer and I highly recommend Koei Chemical to everyone!
I recently started using their products and I must say, I'm impressed. The quality is top-notch and the prices are very competitive. The website is user-friendly and provides all the necessary information. The customer service was also great, they were responsive and helpful. I would definitely recommend Koei Chemical to others. They have become my go-to company for all my chemical needs.
Koei Chemical is amazing! They have a wide range of products to choose from and their website is super easy to navigate. 🎉 The customer service is excellent and they are always ready to assist you with any questions or concerns. I recently made a purchase and the delivery was fast and hassle-free. I'm very happy with the quality of the products and I highly recommend Koei Chemical to everyone!
I recently switched to Koei Chemical for my chemical needs and I couldn't be happier with my decision. Their website is easy to navigate and the ordering process was a breeze. The customer service is excellent and they were very helpful in assisting me with my inquiries. I received my order on time and the quality of the products exceeded my expectations. I highly recommend Koei Chemical for all your chemical needs.
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Koei Chemical is a chemical products company.