Caprolactam CAS 105-60-2
caprolactam CAS 105-60-2caprolactam CAS 105-60-2

Caprolactam CAS 105-60-2

caprolactam CAS 105-60-2, caprolactam, CAS 105-60-2

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In the vast world of chemistry, caprolactam (ε -caprolactam), as an important cyclic amide compound, has its unique molecular composition. In a caprolactam molecule, there are precisely 6 carbon atoms, 1 nitrogen atom, 1 oxygen atom and 1 hydrogen atom. These atoms together form a relatively stable molecular structure with specific chemical properties, totaling 11 atoms.

105-60-2

C6H11NO

113.16

203-313-2

Caprolactam CAS 105-60-2 Information


Chemical Name

Caprolactam

Other Name

epsilon-Caprolactam; ε-caprolactam

CAS

105-60-2

EINECS

203-313-2

Type

Synthetic material intermediates; Organic raw materials

Molecular Formula

C6H11NO

Molecular Weight

113.16




Caprolactam CAS 105-60-2 Properties


Melting point 

68-71 °C(lit.)

Boiling point 

136-138 °C10 mm Hg(lit.)

density 

1.01

vapor pressure 

<0.01 mm Hg ( 20 °C)

refractive index 

1.4935

Fp 

152 °C

storage temp. 

Store below +30°C.

solubility 

H2O: 0.1 g/mL, clear, colorless

form 

Crystals or Flakes

pka

16.61±0.20(Predicted)

Specific Gravity

1.042 (20/4℃)

color 

White

PH

7.0-8.5 (333g/l, H2O, 20℃)

Odor

amine spicy

Odor Type

spicy

explosive limit

1.4-8%(V)

Water Solubility 

4560 g/L (20 ºC)


What is Caprolactam CAS 105-60-2?


In the vast world of chemistry, caprolactam (ε -caprolactam), as an important cyclic amide compound, has its unique molecular composition. In a caprolactam molecule, there are precisely 6 carbon atoms, 1 nitrogen atom, 1 oxygen atom and 1 hydrogen atom. These atoms together form a relatively stable molecular structure with specific chemical properties, totaling 11 atoms.


Caprolactam plays a crucial role in the field of chemical engineering. It is the monomer of polyamide nylon 6 (nylon 6). When we heat caprolactam and there is a small amount of water in the system, a wonderful chemical change begins. At this point, the amide part of the cyclic structure will gradually open under specific conditions, just like a originally closed door slowly opening. Subsequently, these opened chains will connect with each other through a chemical reaction process known as ring-opening polymerization, eventually forming the polymer compound nylon 6.


This ring-opening polymerization method holds a pivotal position in the development history of the chemical industry. It was a brand-new method successfully developed by Toray Corporation of Japan in 1941, which was completely different from the method adopted by DuPont Company of the United States at that time. With this innovative technology, Toray Company has found a solid foothold in the fierce commercial competition wave, thus firmly establishing itself on the global chemical stage and laying a solid foundation for its subsequent development.


Nylon 6 has demonstrated unique advantages in many fields due to its own characteristics. It has the characteristics of being light, soft and elastic, which make it shine brightly in fields such as textiles. Especially when it is applied to synthetic fiber products such as stockings, it brings about a revolutionary change. When nylon fibers are woven into stockings, these stockings will present a unique luster. This luster not only makes the stockings look more beautiful but also adds a distinctive charm to them.


However, nylon 6 is not perfect either. Under normal usage conditions, it can indeed demonstrate excellent strength and meet various daily needs of people. However, when facing sharp rock surfaces, nylon 6 appears somewhat fragile and is easily cut and damaged. For this reason, nylon 6 is not suitable for use as a rope for mountain climbing. In the past, there have also been news reports of accidents caused by using nylon 6 ropes for mountain climbing. These cases further remind people to pay attention to the applicable scenarios when using nylon 6.


It is worth mentioning that nylon 6 is just one type in the vast nylon family. Depending on the raw materials, there are also many other types of nylon, such as PA9, PA9T, PA11, etc. Each of them has unique properties and application fields, jointly forming a rich and colorful nylon world.




Caprolactam CAS 105-60-2 Uses


In the field of chemical engineering, caprolactam, as an important organic chemical raw material, has a very wide range of applications. Among them, most of the caprolactam is used to produce polycaprolactam. Specifically, in this part of the application, approximately 90% of caprolactam is put into the production of synthetic fibers, which is the well-known capron. Capron, with its excellent performance, has a wide range of applications in many fields. The remaining approximately 10% of caprolactam is used as a plastic raw material and, through a series of complex processing techniques, is manufactured into various products of different shapes and functions, such as gears. These gears play a crucial role in transmitting power and regulating rotational speed in various mechanical devices. There are also bearings, which can ensure the smooth rotation between mechanical components and reduce frictional losses. Pipes are also one of its common products and are widely used in the transportation systems of liquids and gases. In addition, in the field of medical devices, plastic components made of caprolactam also hold an indispensable position. They need to have a high degree of safety and stability to meet the strict requirements of the medical environment. In the electrical field, it is used to manufacture insulating materials to ensure the safe and stable operation of the power system. Meanwhile, caprolactam also plays a significant role in the production processes of coatings and plasticizers, and is also involved in the synthesis reaction of a small amount of lysine, providing necessary support for the development of related industries.


Caprolactam fibers possess unique properties and advantages. Depending on different textile processes and demands, they can be spun into various types of products. When it is spun into civilian silk, its soft texture and smooth hand feel are comparable to those of natural silk, and thus it is widely used to make various close-fitting garments, such as underwear. The material of underwear comes into direct contact with human skin. The good breathability and comfort of caprolactam fibers can bring a comfortable experience to the wearer. Socks are also one of its common products. They not only have good elasticity and wear resistance, but also can keep the feet dry. The shirt is also made by taking advantage of the excellent properties of caprolactam fiber. The shirt is crisp and not easy to deform, and looks elegant and decent when worn. When caprolactam fibers are spun into industrial filaments, their high strength and durability are fully exerted. It is made into tire cord and plays a role in enhancing the strength and stability of car tires, ensuring the safety of vehicle operation. Canvas thread is also one of its important applications, widely used in the production of outdoor equipment, tents and other items that need to withstand greater tensile force and wear. Parachutes have extremely high requirements for the performance of materials. Caprolactam fiber industrial filament, with its reliable strength and toughness, has become an ideal material for manufacturing parachutes. In terms of insulating materials, it can effectively isolate the current and ensure the safe operation of electrical equipment. Fishing net filaments need to have good flexibility and tensile strength to cope with the complex environment in water and the needs of catching fish. Caprolactam fiber industrial filaments precisely meet these requirements. As an important device to ensure the safety of drivers and passengers, seat belts have strict standards for the strength and reliability of materials. Caprolactam fiber industrial filament also performs outstandingly in this regard.


Nylon-6 engineering plastic is one of the important downstream products of caprolactam and has wide applications in the engineering field. It is used to produce various components required for precision machinery, such as gears. In complex mechanical transmission systems, gears need to withstand huge pressure and friction. Gears made of Nylon-6 engineering plastics have good wear resistance and self-lubrication, which can ensure the efficient and stable operation of the mechanical system. The shell is an important component of many electronic devices and mechanical equipment. The excellent molding performance and mechanical strength of Nylon-6 engineering plastic make it an ideal material for manufacturing shells, which can not only provide good protection but also meet the requirements of appearance design. Hoses play a crucial role in the transportation of liquids and gases. Nylon-6 engineering plastic hoses have characteristics such as corrosion resistance and pressure resistance, and can adapt to various complex working environments. Oil-resistant containers are crucial for the storage and transportation of oily substances. The oil resistance of Nylon-6 engineering plastics gives them a unique advantage in this regard. The cable sheath can protect the cable from the influence of the external environment. The cable sheath made of Nylon-6 engineering plastic has good insulation performance and weather resistance, which can extend the service life of the cable. In the textile industry, various equipment parts have high requirements for the precision and stability of materials. Nylon-6 engineering plastics can meet these requirements and provide strong support for the efficient production of the textile industry.


Nylon-6 film is also an important derivative product and holds a pivotal position in the packaging industry. In the field of food packaging, nylon-6 film, with its excellent barrier properties, can effectively prevent the invasion of oxygen, moisture and other harmful substances, extend the shelf life of food, and at the same time maintain the freshness and taste of food. Whether it is the common packaging of snacks or the packaging of various fresh foods, the presence of nylon-6 film can often be seen. It also plays an important role in pharmaceutical packaging. Due to the extremely high requirements for the safety and stability of packaging materials in pharmaceuticals, the non-toxicity, odorlessness, good sealing and barrier properties of nylon-6 film can ensure the quality and safety of pharmaceuticals during storage and transportation, and prevent pharmaceuticals from being contaminated and deteriorated by the external environment.

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