epsilon-Caprolactam
Solubility Profile: This compound demonstrates high miscibility with both aqueous systems and organic media, supporting its deployment across diverse industrial sectors.
Functional Applications: Its solvation characteristics enable effective utilization in coating formulations, adhesive systems, and industrial cleaning operations, with particular compatibility toward aliphatic hydrocarbons and chlorinated solvents.
Thermal Properties: The substance maintains structural integrity within standard processing parameters, exhibiting a defined melting transition between 68-71°C.
Volatility Characteristics: With vapor pressure measurements below 0.01 mmHg, the material demonstrates minimal evaporation potential, thereby enhancing operational safety during storage and handling procedures.
This compound exists either as white crystalline flakes or in a molten state, depending on thermal conditions. It demonstrates excellent solubility across diverse solvent systems, including chlorinated compounds, aliphatic hydrocarbons, cyclohexene, and aromatic solvents such as benzene. The substance also exhibits complete miscibility with methanol, ethanol, and various ether solvents.
Parameters
Melting point | 68-71 °C(lit.) |
Boiling point | 136-138 °C10 mm Hg(lit.) |
density | 1.01 |
bulk density | 500-550kg/m3 |
vapor pressure | <0.01 mm Hg ( 20 °C) |
refractive index | 1.4935 |
FEMA | 4235 | 1,6-HEXALACTAM |
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) |
Merck | 14,1761 |
JECFA Number | 1594 |
BRN | 106934 |
Dielectric constant | 1.7 - 1.9（0.0℃） |
Exposure limits | ACGIH: TWA 5 mg/m3 |
LogP | 0.12 at 25℃ |
CAS DataBase Reference | 105-60-2(CAS DataBase Reference) |
NIST Chemistry Reference | Caprolactam(105-60-2) |
IARC | 3 (Vol. 39, Sup 7, 71) 1999 |
EPA Substance Registry System | Caprolactam (105-60-2) |
Safety Information
Hazard Codes | Xn |
Risk Statements | 20/22-36/37/38 |
Safety Statements | 2-24/25 |
RIDADR | UN 2811 6.1/PG 2 |
OEB | C |
OEL | TWA: 1 mg/m3, STEL: 3 mg/m3 |
WGK Germany | 1 |
RTECS | CM3675000 |
Autoignition Temperature | 707 °F |
TSCA | Yes |
HS Code | 29337100 |
Hazardous Substances Data | 105-60-2(Hazardous Substances Data) |
Toxicity | LD50 orally in rats: 2.14 g/kg (Smyth) |
This comprehensive solvation profile supports its broad industrial implementation as a process solvent in chemical manufacturing, coating formulations, adhesive systems, and polymer synthesis. Its dual compatibility with both polar and non-polar media enables unique applications requiring multiphase solvent interactions. Furthermore, its dissolution capability in petroleum derivatives and chlorinated solvents facilitates specialized applications in industrial cleaning, degreasing operations, and tailored chemical processing formulations.
