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This section provides an overview for aldrin as well as their applications and principles. Also, please take a look at the list of 5 aldrin manufacturers and their company rankings. Here are the top-ranked aldrin companies as of December, 2024: 1.Milliken, 2.Labsert Ltd., 3.MilliporeSigma.
Table of Contents
Figure 1. Structure of aldrin
Aldrin is a stable white solid organic compound with the chemical formula C12H8Cl6.
It is also known as 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-exo-1,4-endo-5,8-dimethanonaphthalene. Used as a pesticide and insecticide until the 1970s.
Aldrin is listed as deleterious and is carcinogenic, mutagenic, paraneoplastic, and teratogenic (reproductive toxicity). It is also a substance whose production and use is prohibited in principle by the Stockholm Convention on Persistent Organic Pollutants.
Until the 1970s, Aldrin was used in large quantities in soil and seeds as a pesticide and insecticide, as well as in wood preservatives and insect-repellent paints.
However, due to Aldrin's insolubility and extreme stability in water, it was discovered that it remained in the environment and developed toxicity over a long period.
Currently, Aldrin is mainly used as a reagent for residue testing.
| Chemical formula | C12H8Cl6 |
| English name | Aldrin |
| CAS No. | 309-00-2 |
| Molecular weight | 364.91 g/mol |
| Melting point/freezing point | 104-105°C |
| Boiling point or first distillation point and boiling range | 145°C (2mmHg) |
Aldrin is slightly soluble in water. It is also soluble in organic solvents such as ethanol, ether, and acetone.
Figure 2. Structure of dieldrin
When Aldrin is applied as a pesticide in the environment, it is oxidized in soil or on plant surfaces and changes to a structure with an epoxide skeleton called dieldrin for a long period and continues to exhibit toxicity.
Therefore, both Aldrin and dieldrin are regulated as persistent organic pollutants.
Figure 3. Method for producing Aldrin
Aldrin is synthesized by the Diels-Alder reaction using norbornadiene and hexachlorocyclopentadiene as raw materials. The Diels-Alder reaction is a versatile cycloaddition reaction, the developers of which, Otto Diels and Kurt Alder, were awarded the Nobel Prize in Chemistry in 1950.
The compound Aldrin is named after Kurt Alder.
Aldrin may be life-threatening if ingested orally, dermally, or inhaled, and should be handled with extreme caution. There is no acute degradability.
Because Aldrin is acutely toxic through dermal, oral, and inhalation exposure, the use of respiratory protection, protective gloves, safety glasses, and protective clothing is recommended when handling Aldrin. In the unlikely event of skin contact or ingestion, immediate action is required. It is recommended that you carefully review the safety data sheet before using Aldrin.
In addition, aldrin decomposes when heated, producing toxic and corrosive gases (fumes) including hydrogen chloride. Aldrin should be stored in an appropriate storage location and away from fire.
Aldrin are compound that must not be released into the environment because of its potential impact on the surrounding environment. When disposing of Aldrin and its container, ask a professional waste disposal company licensed by the prefectural governor to dispose of it properly.
*Including some distributors, etc.
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Milliken was established in 1865 and is headquartered in Spartanburg, South Carolina, United States, as a manufacturer and marketer of chemicals, floor covering, textiles, and healthcare. The company's product line includes fabrics, additives and colorants, ceramics materials, wound and burns care dressings, and more. It also offers consulting services and has clients in 100+ locations in 28+ countries. The company received its 8th R&D 100 Award in 2021 and is one of the World's Ethical Companies for the 16th consecutive year in 2022. It serves the automotive, building, hospitality, and industrial manufacturing industries.
Kanto Chemical Co. Inc., founded in 1944 and headquartered in Tokyo, Japan, is a reagent manufacturer with overseas affiliates in other countries, including China, France, USA, Taiwan, and Malaysia. Its product portfolio includes analytical reagents, ionic liquids, Iodine compounds, ultra-pure chemicals, and water analysis kits. The company is also developing regenerative medicine and genetics reagents and has over 50,000 products. It has several certifications, including ISO 9001, acquired in 1994, making it the first Japanese company in the reagent industry. Other certifications are ISO 14001, ISO 13485, and ISO/IEC 17025.
Millipore Sigma, formerly known as Sigma-Aldrich, was created in 175 through the merger of Sigma Chemical Company and Aldrich Chemical company and today is a subsidiary of Merck. Millipore Sigma is a life science and biotechnology company serving the industry with several products and services. Some of their product categories include peptide synthesis materials, biochemicals, building blocks, catalysts, chemical biology, chemical synthesis, flavors & fragrances, formulation, lab chemicals, lab safety, APIs, and stable isotopes. Services include characterization, contract manufacturing, custom products, software, support, testing, and mRNA development & manufacturing.
Nacalai Tesque Inc., founded in 1846 and headquartered in Kyoto, Japan, is a manufacturer of research chemicals, fine chemicals, diagnostics, and the related instruments. Some of its products include cytokines, nucleic acid electrophoresis, cell dissociation reagents, and sialic acid-related products, and it also offers custom and bulk service for bulk reagents and cell culture media. The company has more than 50 domestic distributors and several worldwide, including Asia, the Middle East, Oceania, Europe, and Africa. It is ISO 9001 and ISO 9002 certified, while the Kyoto South brand and Tesque factory are ISO 14001 certified.
Labsert Ltd., established in 2015 and based in Akdeniz, Mersin, Turkey, is a manufacturer and supplier of reference standard materials and analytical reagents. Its product range encompasses certified reference standard materials, essential for laboratory calibration and quality control, analytical reagents for research and testing, volumetric solutions used in titration, Quechers Kits for pesticide residue analysis, and SPE column cartridges for chromatographic sample preparation. These products find application in laboratory testing and research. The company holds ISO 9001 certification from DAKKS, with all certification-related analyses conducted in ISO 17025 accredited laboratories.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Milliken |
36.0%
|
| 2 | MilliporeSigma |
20.0%
|
| 3 | Labsert Ltd. |
16.0%
|
| 4 | KANTO CHEMICAL CO.,INC. |
16.0%
|
| 5 | nacalai |
12.0%
|
Derivation Method
The ranking is calculated based on the click share within the aldrin page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
2 | 50.0% |
|
United States of America
|
1 | 25.0% |
|
Turkey
|
1 | 25.0% |
