Caprolactam is a cyclic amide (lactam) primarily used as the monomer for producing Nylon 6 fibers and resins.
Caprolactam is a white crystalline solid or clear liquid with a characteristic odor and high reactivity toward polymerization.
Caprolactam offers excellent mechanical strength, chemical resistance, and durability in polymeric applications.
CAS Number: 105-60-2
EC Number: 203-313-2
Molecular Formula: C6H11NO
Molecular Weight: 113.16 g/mol
Synonyms: ε-Caprolactam, Hexahydro-2H-azepin-2-one, Aminocaproic Lactam, 2-Oxocaproic Lactam, Caprolactam Monomer, Nylon 6 Intermediate, ε-Aminocaproic Lactam, Polyamide 6 Raw Material, Hexamethylene Oxide Amide, Lactam Monomer, Caprolactam, ε-Caprolactam, 2-Oxohexamethyleneimine, Hexano-6-lactam, Azepan-2-one, Hexan-6-olactam, 1-Azacycloheptan-2-one, Caprolactam Monomer, Caprolactam Compound, Caprolactam Material, Caprolactam Product, Caprolactam Substance, Caprolactam Chemical, Caprolactam Technical Grade, Caprolactam Industrial Grade, Caprolactam Pharmaceutical Grade, Caprolactam Cosmetic Grade, Caprolactam Food Grade, Caprolactam Laboratory Grade, Caprolactam Research Grade, Caprolactam Pure, Caprolactam Extra Pure, Caprolactam High Purity, Caprolactam Refined, Caprolactam Stabilized, Caprolactam Certified, Caprolactam Certified Standard, Caprolactam Analytical Standard, Caprolactam Laboratory Standard, Caprolactam Certified Reagent, Caprolactam Laboratory Reagent, Caprolactam Test Reagent, Caprolactam Assay, Caprolactam Bulk Chemical, Caprolactam Commercial Grade, Caprolactam Raw Material, Caprolactam Fine Chemical, Caprolactam Specialty Chemical, Caprolactam Active Ingredient, Caprolactam Functional Ingredient, Caprolactam Specialty Ingredient, Caprolactam Functional Additive, Caprolactam Specialty Additive, Caprolactam Polymer Intermediate, Caprolactam Nylon Monomer, Caprolactam Polyamide Monomer, Caprolactam Nylon 6 Monomer, Caprolactam Nylon Intermediate, Caprolactam Resin Monomer, Caprolactam Polymer Raw Material, Caprolactam Chemical Intermediate, Caprolactam Ring-Opening Monomer, Caprolactam Precursor, Caprolactam Lactam Monomer, Caprolactam Amide Monomer, Caprolactam Polymerization Agent, Caprolactam Nylon Feedstock
APPLICATIONS
Caprolactam is used as the primary raw material for producing Nylon 6.
Caprolactam undergoes ring-opening polymerization to form polycaprolactam fibers and resins.
Caprolactam provides excellent strength, elasticity, and abrasion resistance to Nylon 6 materials.
Caprolactam is applied in textile fiber production.
Caprolactam-based Nylon 6 fibers are used in apparel, hosiery, and sportswear.
Caprolactam-derived fibers offer softness, durability, and dyeability.
Caprolactam is used in carpet manufacturing.
Caprolactam provides resilience and long-lasting wear resistance in synthetic carpets.
Caprolactam ensures dimensional stability and color fastness in carpet yarns.
Caprolactam is incorporated in industrial yarn production.
Caprolactam-based Nylon 6 yarns are used in ropes, nets, and conveyor belts.
Caprolactam delivers mechanical strength and resistance to fatigue.
Caprolactam is used in engineering plastics.
Caprolactam forms Nylon 6 granules used for injection molding and extrusion.
Caprolactam-derived plastics provide high toughness and thermal resistance.
Caprolactam is applied in automotive components.
Caprolactam-based polymers are used in gears, bearings, and fuel system parts.
Caprolactam offers chemical resistance and dimensional stability under high temperatures.
Caprolactam is used in electrical and electronic applications.
Caprolactam-based Nylon 6 provides insulation and flame retardancy.
Caprolactam ensures stability and precision in molded electrical parts.
Caprolactam is incorporated in packaging films and sheets.
Caprolactam-derived Nylon 6 films exhibit excellent gas barrier properties.
Caprolactam enhances puncture resistance and optical clarity in multilayer films.
Caprolactam is used in food packaging applications.
Caprolactam-based films preserve freshness and extend shelf life.
Caprolactam contributes to the toughness and transparency of vacuum-sealed packaging.
Caprolactam is applied in coatings and adhesives.
Caprolactam improves adhesion to metals, glass, and thermoplastics.
Caprolactam enhances toughness and flexibility in coating formulations.
Caprolactam is used in thermoplastic composites.
Caprolactam serves as a matrix precursor for in-situ polymerization of fiber-reinforced materials.
Caprolactam improves mechanical integrity and impact strength in composites.
Caprolactam is incorporated in medical-grade polymers.
Caprolactam-based Nylon 6 is used in sutures, surgical meshes, and medical tubing.
Caprolactam provides biocompatibility and sterilization stability in medical applications.
Caprolactam is used in monomer-cast Nylon components.
Caprolactam allows in-situ polymerization for casting large industrial parts.
Caprolactam offers design flexibility and high mechanical performance.
Caprolactam is applied in 3D printing materials.
Caprolactam-based Nylon 6 provides strength and layer adhesion in additive manufacturing.
Caprolactam ensures heat resistance and dimensional stability of printed parts.
Caprolactam is used as an intermediate in chemical synthesis.
Caprolactam serves as a precursor for caprolactone and various specialty chemicals.
Caprolactam contributes to the development of advanced polymer intermediates.
Caprolactam is incorporated in hot-melt adhesives.
Caprolactam enhances heat stability and mechanical bonding.
Caprolactam improves adhesive flexibility and performance under thermal stress.
Caprolactam is primarily used as the monomer for Nylon 6 production.
Caprolactam undergoes ring-opening polymerization to form polyamide 6 with excellent mechanical strength.
Caprolactam-based Nylon 6 is widely used in fibers, engineering plastics, and films.
Caprolactam is used in textile fibers for apparel, carpets, and industrial fabrics.
Caprolactam-based fibers exhibit high tensile strength, elasticity, and abrasion resistance.
Caprolactam-derived nylon fibers are used in clothing, upholstery, and ropes.
Caprolactam is applied in engineering plastics for automotive and electrical components.
Caprolactam-based polymers provide thermal stability and chemical resistance.
Caprolactam resins are used in gears, bearings, and housings requiring high dimensional accuracy.
Caprolactam is used in the production of extrusion and injection-molded products.
Caprolactam-derived Nylon 6 materials are used in packaging films and industrial parts.
Caprolactam ensures smooth surface finish and long-term performance in molded components.
Caprolactam is used in the synthesis of coating resins and specialty polymers.
Caprolactam-modified resins enhance adhesion, flexibility, and hardness.
Caprolactam derivatives are used in polyurethane and epoxy resin formulations.
Caprolactam is employed in the manufacture of adhesives and hot-melt systems.
Caprolactam contributes to cohesive strength, heat resistance, and fast setting.
Caprolactam-based adhesives are used for automotive, textile, and construction applications.
Caprolactam is utilized in the production of films for food and industrial packaging.
Caprolactam-based Nylon 6 films provide gas barrier properties and mechanical toughness.
Caprolactam improves durability and transparency in flexible packaging materials.
Caprolactam is used as a chemical intermediate in pharmaceutical synthesis.
Caprolactam derivatives serve as intermediates for vitamins, drug carriers, and polymers.
Caprolactam enhances molecular stability in controlled-release drug formulations.
Caprolactam is applied in synthetic leather and coating industries.
Caprolactam imparts flexibility, adhesion, and solvent resistance to surface coatings.
Caprolactam improves the durability and appearance of synthetic materials.
Caprolactam is used in oilfield and water treatment chemicals.
Caprolactam acts as a reactive intermediate for corrosion inhibitors and surfactants.
Caprolactam-based additives improve operational efficiency and reduce scaling.
DESCRIPTION
Caprolactam is a cyclic amide (lactam) used mainly as a precursor to Nylon 6 polymers.
Caprolactam undergoes ring-opening polymerization to form polycaprolactam, a widely used engineering plastic.
Caprolactam combines high reactivity with stability for industrial polymerization processes.
Caprolactam has the CAS number 105-60-2.
Caprolactam has the EC number 203-313-2.
Caprolactam has the molecular formula C6H11NO.
Caprolactam has a molecular weight of 113.16 g/mol.
Caprolactam appears as a white crystalline solid or flakes with a mild amine-like odor.
Caprolactam is soluble in water, ethanol, and benzene.
Caprolactam has a melting point of 69–71°C and a boiling point of 267°C.
Caprolactam is hygroscopic and readily absorbs moisture from the air.
Caprolactam exhibits excellent stability under standard storage conditions.
Caprolactam is a key intermediate in textile, plastics, and engineering industries.
Caprolactam-based Nylon 6 provides high strength, abrasion resistance, and flexibility.
Caprolactam should be stored in tightly sealed containers, away from acids, oxidizers, and moisture.
Caprolactam is a colorless to white crystalline solid with a faint amine-like odor.
Caprolactam melts to a clear, colorless liquid that is highly soluble in water and many organic solvents.
Caprolactam is hygroscopic and absorbs moisture readily from the atmosphere.
Caprolactam is produced industrially by the oxidation of cyclohexanone to cyclohexanone oxime, followed by rearrangement.
Caprolactam polymerizes under acidic or thermal conditions to form polyamide 6.
Caprolactam polymerization releases heat and requires controlled conditions to maintain molecular weight.
Caprolactam exhibits high purity and reactivity suitable for polymer-grade applications.
Caprolactam forms linear polymers with strong intermolecular hydrogen bonding.
Caprolactam polymers have high melting points and outstanding mechanical properties.
Caprolactam can also be used in copolymerization with other lactams or diacids to modify polymer properties.
Caprolactam enables tuning of polymer flexibility, crystallinity, and processability.
Caprolactam plays a crucial role in modern polymer chemistry and engineering materials.
PROPERTIES
Appearance: White crystalline solid or clear liquid
Odor: Slightly amine-like
Purity: ≥99.8%
Melting Point: 69–72°C
Boiling Point: 267°C
Density: 1.01 g/cm³ (at 25°C)
Vapor Pressure: 0.02 mmHg (at 25°C)
Flash Point: 138°C (closed cup)
Solubility: Soluble in water, alcohols, and most organic solvents
pH (1% solution): Neutral to slightly acidic
Refractive Index: 1.47 (liquid form)
Stability: Stable under normal storage conditions
Storage Temperature: 5–30°C
FIRST AID
Inhalation:
Move the affected person to fresh air immediately.
If breathing difficulties occur, seek medical attention.
Skin Contact:
Wash skin thoroughly with soap and water.
Remove contaminated clothing.
Seek medical advice if irritation or redness persists.
Eye Contact:
Rinse immediately with plenty of clean water for at least 15 minutes.
Seek medical attention if symptoms continue.
Ingestion:
Rinse mouth with water and seek medical attention immediately.
Do not induce vomiting unless directed by medical personnel.
Note to Physicians:
Treat symptomatically and provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Avoid contact with skin, eyes, and clothing.
Wear suitable gloves, goggles, and protective equipment.
Use only in well-ventilated areas.
Ventilation:
Ensure adequate local and general ventilation during handling and transfer.
Avoidance:
Avoid heat, sparks, and open flames.
Prevent contact with strong oxidizing agents and acids.
Spill and Leak Procedures:
Sweep up spilled material carefully to minimize dust formation.
Collect residues into labeled containers for disposal.
Clean affected area with water and detergent.
Storage:
Store in a cool, dry, and well-ventilated place.
Keep containers tightly closed to prevent moisture absorption.
Protect from heat, sunlight, and ignition sources.
Handling Cautions:
Avoid prolonged exposure to air or moisture.
Use dry equipment and maintain containers properly sealed.
Follow appropriate industrial hygiene and safety practices.