AdvanSix Caprolactam

Caprolactam is used in a variety of applications worldwide. As one the largest and most experienced suppliers of merchant-grade caprolactam, AdvanSix offers industry-leading quality, consistency and reliability of supply.

Chemical NameCaprolactam

CAS Number105-60-2

Chemical FamilyAmides

Molecular Weight113.16 - 113.16 g/mol

Synonyms2-azepanone, 2-ketohexamethyleneimine, 2-Oxohexamethyleneimine, 2-oxohexamethylenimine, 6-Caprolactam, Aminocaproic Lactam, Azepan-2-one, Hexahydro-2H-azepin-2-one

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Chemical Name
EC No.

Features & Benefits

Product Highlights

Consistent Quality

AdvanSix caprolactam is produced using stringent manufacturing processes to ensure industry-leading quality and consistency, making it the first and only choice for many customers. The Hopewell plant’s three state-of-the-art quality assurance labs conduct ongoing tests throughout the manufacturing process to meet specifications for quality control, process control, the environment and the final product. This, combined with Six Sigma methodologies and ISO 9001:2008 certification for all caprolactam operations, enables AdvanSix to deliver a product that meets and exceeds industry standards

Applications & Uses

Applicable Processes


Physical Form
Mildly disagreeable
Typical Properties
ValueUnitsTest Method / Conditions
Ash Contentmax. 10ppmQALAC-0007
Color (50% solution at 390 nm)max. 5APHAQALAC-0001
Free Aciditymax. 0.05meg/kgQALAC-0006
Free Alkalinitymax. 0.05meg/kgQALAC-0006
Iron Contentmax. 0.5ppmQALAC-0011
Permanganate Index (ISO)max. 5QALAC-0002
Permanganate Numbermin. 20,000secondsQALAC-0009
Transmittance (at 290 nm)min. 90%QALAC-0033
Volatile Base (as ammonia)max. 10ppmQALAC-0012
Volatile Base (as ammonia)0.59meg/kgQALAC-0012
Water Contentmax. 0.10wt%QALAC-0005
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Boiling Point270 (518)°C (°F)
Specific Gravity (77°C)1.02
Evaporation Rate (Compared to butyl acetate)max. 1
Flash Point142 (288)°C (°F)Open Cup
Melting Point69 (156)°C (°F)
Molecular Weight113.16
Vapor Density (Air = 1.0)3.91
Vapor Pressure (at 20°C (68°F))max. 0.001mmHg
Volatiles Content100%
Water Solubility (at 25°C (77°F))approx. 525g /100g H2O

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging Type

Storage & Handling


Store in moisture-tight containers in a cool, dry area. Store molten material at 70-80ºC (158-176ºF) under nitrogen cushion containing less than 5 ppm oxygen.