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This section provides an overview for neopentane as well as their applications and principles. Also, please take a look at the list of 10 neopentane manufacturers and their company rankings. Here are the top-ranked neopentane companies as of December, 2024: 1.Restek Corporation., 2.Allied Gases & Welding Supplies, Inc. and the Ramsey Companies, 3.AGT International.
Table of Contents
Neopentane is an alkane with a 5-carbon branched chain with two side chains.
Neopentane is a colorless gas, but becomes liquid on cold days. Structural isomers of neopentane include n-pentane and isopentane.
However, in contrast to the structural isomers n-pentane and isopentane, neopentane has a high melting point and a low boiling point, making it an unstable compound in state.
The main use of neopentane is as a foaming agent. It is also used as an electronics cleaner and chemical solvent. A foaming agent is an agent used to form cellular structures by adding other compounding agents to polymers, such as rubber and plastics, and allowing the inclusion of gases and other substances generated by thermal decomposition.
Neopentane is used not only in the production of styrene foam but also in the manufacture of urethane and other materials, and is therefore incorporated into everyday household products. Neopentane is obtained by fractional distillation from crude oil or petroleum hydrocarbon cracking oil.
Neopentane is soluble in ethanol and ether, but insoluble in water. The boiling point of neopentane at ambient pressure is 9.5°C. At normal temperature and pressure, neopentane exists as a highly flammable gas. In contrast, in cold weather and under high pressure, neopentane is a volatile liquid.
The structure of neopentane takes the form of methane with all four hydrogen atoms replaced by methyl groups. Neopentane's chemical formula is C5H12, its molar mass is 72.15, and its specific formula is (CH3)4C.
The IUPAC systematic name for neopentane is 2,2-dimethylpropane, but neopentane is used as the IUPAC-accepted common name.
Compared to the other structural isomers, the boiling point of neopentane is very low. At ambient pressure, isopentane has a boiling point of 27.7°C and n-pentane has a boiling point of 36.0°C. Neopentane has a boiling point of 9.5°C, which is very low. Neopentane is a gas at room temperature and atmospheric pressure, while its structural isomers isopentane and n-pentane are liquids.
The reason for the low boiling point of neopentane is the weak action of intermolecular forces in neopentane. In other words, the reason is that as the number of branched chains increases, the shape of the molecule becomes more spherical and the surface area of the molecule is reduced compared to that of the linear chain.
Neopentane has a melting point of -16.6°C at ambient pressure. The melting point of the structural isomer isopentane is -159.9°C and that of n-pentane is -129.8°C. Thus, the melting point of neopentane is about 140°C higher than that of isopentane and about 110°C higher than that of n-pentane.
It has been explained that the reason for the unusually high melting point of isopentane is due to the strong intermolecular forces acting on it in the solid state. In other words, since the neopentane molecule is tetrahedral, it is closely packed in the solid phase, and thus the strong intermolecular forces are thought to be at work. However, the reason has been questioned because of the lower density of neopentane than the other two structural isomers.
It has also been suggested that the higher melting point of neopentane is due to entropy effects caused by the high molecular symmetry of neopentane. This is because the melting entropy of neopentane solids is lower than the melting entropy of its structural isomers, n-pentane, and isopentane. In fact, the melting entropy of neopentane is about four times lower than that of its structural isomers, n-pentane and isopentane.
The structure of neopentane with one hydrogen removed is called a neopentyl group. The neopentyl group is often abbreviated as Np and sometimes abbreviated as Me3C-CH2.
For example, neopentyl alcohol can also be represented as Me3CCH2OH or NpOH.
*Including some distributors, etc.
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Restek Corporation is a chromatography products manufacturer founded in 1985 and headquartered in Bellefonte, Pennsylvania. The company offers various products including sample preparation and collection products like solid phase extraction (SPE) cartridges, liquid chromatography (LC) and supercritical fluid chromatography (SFC) columns, and reference standards used for calibration and quality control purposes. Other products include accessories such as flow meters, regulators, and valves. These are used for monitoring the quality of soil, air, and water, as well as petrochemicals and pharmaceuticals. Restek Corporation provides clients with tech support, product education, and custom solution services.
Allied Gases & Welding Supplies, Inc. is a distributor and supplier of industrial gases and welding equipment that was established in 1995 and is headquartered in Phoenix, Arizona, USA. The company distributes Industrial Gases, Medical Gases, Specialty Gases, and Welding Supplies and Equipment. Its products including helium, oxygen, nitrogen, argon, and acetylene are used by several industries, as diverse as metalworking, manufacturing, and healthcare. The company also offers a wide range of services, including delivery, rental, and repair.
Parchem was founded in 1999 and headquartered in Rochelle, New York. Parchem is a distributor of industrial chemicals. Parchem serves nutritional, personal care, pharmaceutical, and specialty chemical industries. Parchem offerings include coatings, adhesives, elastomers, industrial products, petrochemicals, oleochemicals, plastics, rubber, nutritional supplements, cosmetics, consumer products, catalysts, metallic salts, rare earths, flavors & fragrances, industrial & institutional, textiles, other food-related chemicals, dyes, finishes, chemicals for aerospace, oil gas drilling chemicals, electronics, and pharmaceuticals.
Apollo Scientific Ltd, a subsidiary of Japan’s Central Glass Europe Limited, is a research chemicals manufacturer and supplier founded in 1993 and headquartered in Bredbury, United Kingdom. Performing chemical syntheses in their Manchester-based laboratories, Apollo Scientific offers a selection of over 100,000 chemical products, from fluorinated compounds to non-fluorinated building blocks, for research and industry applications. Their life science products include antibiotics and buffers, as well as customized products for stem cell, molecular biology, and proteomics research. Additionally, Apollo Scientific offers spectroscopy products, such as consumables for infrared (IR) and nuclear magnetic resonance (NMR) spectroscopy, as well as mass spectrometry standards.
chemBlink, established as a comprehensive online database in 2005, serves as a valuable resource for chemical sourcing and information and operates from the United States. chemBlink's efforts revolve around offering an extensive database of chemical suppliers, products, and their associated details. It serves as a crucial tool for researchers, manufacturers, and businesses seeking dependable sources for chemicals and related information. The platform's services extend to providing real-time data, chemical pricing trends, and regulatory information. With its user-friendly interface and vast network, chemBlink continues to empower professionals across various sectors, including pharmaceuticals, agrochemicals, and research, by facilitating informed decision-making.
SIAD Group, founded in 1927 and headquartered in Bergamo, Lombardy, is an Italian manufacturer and distributor specializing in industrial gases, as well as engineering and healthcare products and services. The company's product offerings include gases and gas mixtures for various industries. For instance, SIAD supplies specialty gases like high purity gases and noble gases to the electronic, environmental, petrochemical, and pharmaceutical sectors. SIAD also offers a range of refrigerant gases for air conditioning systems. SIAD also operates subsidiaries, such as SIAD Macchine Impianti S.p.A., which builds air separation units (ASUs), and SIAD HEALTHCARE SpA, which offers medical gases, surgical devices, and more.
AGT International is a British supplier and distributor of industrial gasses and mixtures that was established in Chester, Cheshire in 2004. The company offers various standard and high purity gasses, such as argon, helium, propane, and hexane. It also provides specialty chemicals and gasses (e.g. boron trifluoride), gas-liquid mixtures, and hydrocarbon refrigerants. AGT International products are used by clients in LNG, refinery, geothermal, and semiconductor manufacturing and processing operations, The company also offers procurement, custom packaging and logistics services for unique customer projects.
ChemSrc, established in 2014, is a supplier of pharmaceutical products, a chemical database platform, and a search engine. This platform serves as a gateway to an extensive repository of chemical knowledge, offering access to unique CAS-encoded product records including synthesis routes, literature references, physical and chemical properties, and supplier information. The chemical catalog spans various categories, including organic raw materials, dyes and pigments, chemical pesticides, catalysts, additives, and more. The repository information plays a vital role in supporting research and development efforts across diverse industries by fostering scientific advancements and serving as a valuable resource.
Middlesex Gases & Technologies, Inc., founded in 1949, is an American supplier of industrial gases and related technologies, with its headquarters located in Everett, Massachusetts. The company offers a range of gases, including specialty gases tailored for biotechnology and life science companies. Additionally, Middlesex Gases supplies cryogenic gases and cryogenic liquids to various industries such as pharmaceuticals, therapeutics, and medical device research. Medical gas products like anesthetics are also among the company’s product offerings. Middlesex Gases’ gas systems and distribution networks serve the New England area, covering Massachusetts, New Hampshire, Rhode Island, and Connecticut.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Restek Corporation. |
17.9%
|
| 2 | Allied Gases & Welding Supplies, Inc. and the Ramsey Companies |
14.9%
|
| 3 | AGT International |
13.4%
|
| 4 | Apollo Scientific Ltd |
10.4%
|
| 5 | SIAD |
10.4%
|
| 6 | Middlesex Gases & Technologies, Inc. |
9.0%
|
| 7 | chemBlink |
7.5%
|
| 8 | Molport |
6.0%
|
| 9 | Parchem |
6.0%
|
| 10 | ChemSrc |
4.5%
|
Derivation Method
The ranking is calculated based on the click share within the neopentane 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 (%) |
|---|---|---|
|
United States of America
|
3 | 50.0% |
|
United Kingdom
|
2 | 33.3% |
|
Italy
|
1 | 16.7% |
