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This section provides an overview for ammonium sulfide as well as their applications and principles. Also, please take a look at the list of 6 ammonium sulfide manufacturers and their company rankings. Here are the top-ranked ammonium sulfide companies as of December, 2024: 1.LobaChemie Pct.Ltd., 2.KANTO CHEMICAL CO.,INC., 3.Junsei Chemical Co.,Ltd..
Table of Contents
Ammonium sulfide, an ammonium salt of hydrogen sulfide, commonly appears as an aqueous solution and is also referred to as diammonium sulfide or ammonium monosulfide. It is produced by reacting urea nitrate with nitric acid and is known for its CAS number 124-47-0. While explosive under heat and shock, it generally remains safe under standard conditions.
Used widely as an explosive sensitizer, explosive, desulfurizer, and organic reagent, ammonium sulfide's primary application is in the production of improvised explosive devices (IEDs) due to the ease of synthesis from commonly available fertilizer industry chemicals. Despite its nitrogen content suggesting potential as a fertilizer, its acidity has limited this application. Additionally, it serves as an organic reagent in various chemical reactions.
This compound, appearing as a white crystalline powder, decomposes at 152°C, releasing urea in aqueous solution and exhibiting acidity. It is soluble in hot water but insoluble in nitric acid, ether, chloroform, and benzene. Not inherently hygroscopic, its hygroscopicity increases when mixed with certain inorganic salts.
Marketed mainly for research and development as a wetted reagent to mitigate explosive risks, ammonium sulfide is available in laboratory-friendly quantities.
Highly reactive, ammonium sulfide can violently burn or explode upon heating or impact. It produces hazardous decomposition products and should be kept away from ignition sources.
Recognized as a hazardous substance, ammonium sulfide requires careful handling and personal protective equipment to mitigate risks of explosion, skin irritation, eye damage, and airway irritation.
Ammonium sulfide's explosive nature subjects it to strict regulatory controls under various safety laws, emphasizing the need for caution in its transport and handling.
*Including some distributors, etc.
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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.
Junsei Chemical Co. Ltd., established in 1948 and headquartered in Tokyo, Japan, is a manufacturer of chemical reagents and chemical products, including commissioned synthesis of chemical products. Some of the products it makes include Sodium chloride solution, concentrated glycerin, calcium chloride, ascorbic acid, and nitric acid. The chemical products have a wide range of applications and can be used in pathological examination, as food additives, for analysis, and in the pharmaceutical industry. All its plants, including its research institute, are ISO4001 and ISO9001 certified, while its Saitama and Ibaraki plants are equipped with buildings that comply with GMP.
Loba Chemie Pvt. Ltd. is a Mumbai-based manufacturer and supplier of laboratory and fine chemicals, catering to industries such as pharmaceuticals, food, research, hospitals, and universities since its establishment in 1975. Their product range includes pH indicators, biological stains, HPLC solvents, high purity acids, and tetrazolium salts and derivatives. These products serve various applications like pH testing, cell and tissue staining, chemical separation, and pharmaceutical manufacturing. The company has several certifications, such as ISO/IEC 17025:2017 and ISO 9001:2015.
Alpha Chemika, founded in 1989 and based in Mumbai, India, is a manufacturer, supplier of laboratory reagents and fine chemicals. Their products are used in multiple industries, including pharmaceutical, chemical, biotechnology, and environmental. Their product portfolio ranges from chemicals such as Silver Nitrate, Perchloric Acid, and Lanthanum Acetate to laboratory tools and equipment such as Air Inlet Tubes, Air Inlet Tubes, and Optical Components. Alpha Chemika has been able to obtain ISO 9001:2000 certification.
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.
Founded in 1981, Central Drug House Ltd. serves the scientific community via manufacturing and marketing a library of over 9,000 products to laboratory fine chemicals and dehydrated culture media with emphasis on purity and service. Examples are acids & bases, adsorbents, disinfectants, indicator papers, oils, and solvents. CDH provides bio chemicals, research chemicals, laboratory reagents, various solvents, stains & indicators, and dehydrated culture media. CDH is ISO 9001 certified and CDHs’ products are in compliance with specifications of IP, BP, USP, and EP standards.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | LobaChemie Pct.Ltd. |
43.5%
|
| 2 | KANTO CHEMICAL CO.,INC. |
17.4%
|
| 3 | Junsei Chemical Co.,Ltd. |
13.0%
|
| 4 | Alpha Chemika |
8.7%
|
| 5 | Central Drug House |
8.7%
|
| 6 | nacalai |
8.7%
|
Derivation Method
The ranking is calculated based on the click share within the ammonium sulfide 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.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
3 | 50.0% |
|
India
|
3 | 50.0% |
