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This section provides an overview for phosphites as well as their applications and principles. Also, please take a look at the list of 13 phosphite manufacturers and their company rankings. Here are the top-ranked phosphite companies as of December, 2024: 1.Galata Chemicals LLC, 2.NIPPON CHEMICAL INDUSTRIAL CO.,LTD., 3.Sar Agrochemicals & Fertilizers Pvt. Ltd.
Table of Contents
Phosphite, represented by the formula [O-]3P or P(OH)3, is an organic compound characterized by the substitution of a carboxyl group in phosphonic acid with a phosphoric acid. Commonly produced by reacting phosphorus trichloride with alcohol, phosphites form the backbone of phosphite esters. The stability of phosphite structures leans towards their phosphonic acid tautomers, making direct esterification of phosphorous acid challenging.
Phosphites serve various functions, including:
Phosphites are integral antioxidants for halogen-containing polymers like polyvinyl chloride in the polymer industry. Their specific uses vary based on their alcohol-derived properties, offering tailored solutions for solubility, hydrolysis resistance, and thermal stability. Combining phosphite with phenolic antioxidants is a common practice for enhancing polymer resilience during processing.
As an efficient fertilizer, potassium phosphite, branded simply as Phosphite, facilitates direct absorption of phosphorus by plants through leaves and roots. This mode of application promises enhanced growth for fruit and root crops and an effective transition from vegetative to reproductive growth phases.
Phosphite esters, such as triethyl phosphite, are versatile in organic synthesis, acting as alkylating agents, deoxygenating agents, and intermediates in insecticide production. Triphenyl phosphite finds use as a stabilizer for synthetic resins and an antioxidant for petroleum.
Phosphites exhibit strong reducing properties and stability in their oxidized ester form, OP(OR)3. They participate in the Michaelis-Albuzov reaction, contributing to the synthesis of phosphate esters and derivatives. As Lewis bases, they form complexes with metals, acting as catalysts and ligands in various chemical reactions.
While not highly toxic, phosphites can irritate skin and eyes, necessitating protective measures during handling. They are stable under recommended storage conditions but may produce toxic fumes upon decomposition or reaction with strong oxidizers and water.
*Including some distributors, etc.
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Galata Chemicals LLC was launched in 1960 in Jersey, USA, and is a global manufacturer and supplier of engineering thermoplastics, CPVC, polyolefin additives, and PVC used in industrial manufacturing processes. The company manufactures organotin stabilizers, mixed metal stabilizers, primary stabilizers, secondary plasticizers, and liquid phosphites for these industries: building and construction, packaging, automotive, and medical. It also offers catalysts, which companies combine with polymers like polyurethanes and silicones to manufacture new products.
Actylis is based in Port Washington, New York, USA, and is an ISO 13485-certified custom manufacturer of chemical compounds that was established in 1978 as a subsidiary of Aceto. The company mainly produces specialty chemical products for the pharmaceutical, biopharm, and agriscience sectors. These chemical products include cell culture ingredients, active pharmaceutical ingredients (APIs), and buffering salts. It also offers excipients, adenosine for cosmetic ingredients, and vitamins for nutritional supplements. The company operates internationally, with manufacturing facilities in Germany, the United Kingdom, and India. Some of its notable clients include Novartis, Nestlé, and Estée Lauder.
Nippon Chemical Industrial Co. Ltd., started in 1893 and headquartered in Tokyo, Japan, is a manufacturer of inorganic and specialty chemicals. In 1950, the company started the production of phosphate fertilizer at the Koriyama factory and the production of insecticides at the Miharu factory. In 1970, it began producing phosphoric acid, and in 1971, it started making chromium compounds. Its portfolio includes chromium compounds, inorganic phosphorus compounds, electronic ceramic materials, pharmaceutical intermediates, and agrochemicals. It also offers custom manufacturing for various industries, including agricultural chemicals, semiconductors, and pharmaceuticals.
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.
Sar Agrochemicals & Fertilizers Pvt. Ltd, founded in 2009 in Maharashtra, India, is a manufacturer and supplier of organic and inorganic fertilizers, growth promoters, and agrochemicals that help farmers boost the yield outputs. It makes sulfate straight nutrient mixture fertilizers, seaweed extract and flakes, amino acid powder, potassium silicate powder, and bentonite granules. The company also supplies lab equipment like stirrers with tanks, heating mantle, electronic analytical balance, digital pH meter tabletop, and water bath cum shaker
Hebei Sancolo Chemicals Co., Ltd., established in 1987 in Hebei province, China, is a manufacturer and supplier of surface active agents used in fabric softeners, detergents, emulsion polymerization, textile processing, and personal care industries. The company makes anionic surfactant, nonionic surfactant, and polycarboxylate, which it supplies to Thailand, Vietnam, Indonesia, USA, and Australia. Some of its commonly used products include castor oil ethoxylates, tristyrylphenol, ethoxylates, and calcium dodecyl benzene sulfonate. The company has been certified by GB/T1900-2000 and ISO 9001-2000.
Lakeland Laboratories Ltd was founded in 1993 in Astley, Manchester, and is a manufacturer of chemical products that metalworking and cleaning, agro chem, oilfield, automotive, and institutional cleaning industries use in the manufacturing processes. It makes wax emulsions, specialty anionic and nonionic products, phosphate esters, and amphoterics. The company is ISO 9001, ISO 14001, and ISO 45001 certified. Some of its achievements include helping a South American client improve soil condition through Agrochem and supporting a UK-based streamline oil refining process.
Venus Ethoxyethers Pvt. Ltd. is a manufacturer of manufacturer of surfactants and speciality chemicals. It is headquartered in Goa, India, and was established in 1996. The company produces a range of surface-active agents, including nonionic, anionic, and cationic surfactants. Some of its popular products are ethoxylated alcohols, ethoxylated amines, and ethoxylated fatty acids. Venus Ethoxyethers Pvt. Ltd. also provides technical support and training services. Its products are used in many industries, including personal care, cosmetics, and pharmaceuticals. The company is ISO-9001-2015, ISO-14001-2015 and ISO-45001-2018 certified, and is run under an SOP standard.
Matangi Industries, founded in 1944 and situated in Ahmedabad, Gujarat, India, operates as a manufacturer of performance chemicals. Its specialization lies in a spectrum of chemical reactions, including sulfonation, ethoxylation, propoxylation, alkoxylation, esterification, as well as acetylation, and reduction. Remarkably, its products are Halal certified, while the company maintains adherence to ISO 9001:2015 standards. Its products are utilized across industries for diverse applications, from enhancing agrochemical formulations to personal care and textile processes, as well as pigment and paint production.
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.
Johoku Chemical, established in 1958 and headquartered in Tokyo, Japan, is a manufacturer and supplier of fine chemical products. The company offers over 150 products, including phosphites, acid phosphates, and benzotriazole compounds. Its products are generally used in various industries as a lubricating oil additive and corrosion inhibitor for several materials like copper, zinc, and as a raw material for medicinal intermediates. The company operates in compliance with ISO 9001 quality management guidelines.
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.
Vizag Chemical International was founded in Andhra Pradesh, India, in 2011. Vizag Chemical International sells chemical-based products for many sectors including automotive, agriculture, airline, deodorizers, construction chemicals, boat maintenance, degreasers, detergents, drain clean products, greases, personal hygiene, lab chemicals and equipment, fuel treatment, metal treatment, tank cleaners, swimming pool and spa chemicals, scale removers, sewage chemical treatment, as well as raw chemicals. Vizag Chemical International also provides a range of services including chemical inspection, logistics, chemical usage supervision, as well as tank cleaning.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Galata Chemicals LLC |
27.9%
|
| 2 | NIPPON CHEMICAL INDUSTRIAL CO.,LTD. |
18.6%
|
| 3 | Sar Agrochemicals & Fertilizers Pvt. Ltd |
9.3%
|
| 4 | Actylis |
9.3%
|
| 5 | Vizag Chemical International |
7.0%
|
| 6 | KANTO CHEMICAL CO.,INC. |
7.0%
|
| 7 | Hebei Sancolo Chemicals Co., Ltd |
4.7%
|
| 8 | Venus Ethoxyethers Pvt. Ltd |
4.7%
|
| 9 | Matangi Industries |
4.7%
|
| 10 | Central Drug House |
2.3%
|
Derivation Method
The ranking is calculated based on the click share within the phosphite 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 (%) |
|---|---|---|
|
India
|
4 | 36.4% |
|
Japan
|
3 | 27.3% |
|
United States of America
|
2 | 18.2% |
|
China
|
1 | 9.1% |
|
United Kingdom
|
1 | 9.1% |
