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  • Caprolactam CAS#105-60-2
  • Caprolactam CAS#105-60-2
  • Caprolactam CAS#105-60-2
  • Caprolactam CAS#105-60-2
  • Caprolactam CAS#105-60-2

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Caprolactam CAS#105-60-2

Caprolactam CAS#105-60-2

Basic Information

Water-soluble‌：Easily dissolves in water.


‌Denser Than Water‌：Specific gravity 1.05 ensures stability.


‌Flexible Form‌：Available as solid flakes or molten.


Broad Industrial Use‌：Key for fibers, plastics, films, coatings, and polyurethanes.



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product description

Products Description of Caprolactam CAS#105-60-2

Caprolactam is a white flaky solid, freely soluble in water. Its 70% aqueous solution has a specific gravity of 1.05, denser than pure water, and the compound also exists in a molten state. Inhalation carries toxic risks, with occupational exposure limits set at 5 ppm for vapor and 1 mg/m³ for dust. It is mainly used to manufacture synthetic fibers, plastics, films, coatings and polyurethanes.


Product Applications of Caprolactam CAS#105-60-2

ε-Caprolactam is a key monomer for polyamide synthetic fibers and polycaprolactam (Nylon 6), widely used in carpets, textiles, apparel and tire materials. It also acts as a solvent for high-molecular-weight polymers, an ingredient in coatings and plasticizers, and a cross-linking agent for polyurethane synthesis.

Product Information

Parameters


Melting point

68-71 °C(lit.)

Boiling point

136-138 °C10 mm Hg(lit.)

bulk density

500-550kg/m3

density

1.01

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

pka

16.61±0.20(Predicted)

form

Crystals or Flakes

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

Exposure limits

ACGIH: TWA 5 mg/m3NIOSH: TWA 1 mg/m3; TWA 0.22 ppm; STEL 3 mg/m3; STEL 0.66 ppm

Dielectric constant

1.7 - 1.9（0.0℃）

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

OEB

C

OEL

TWA: 1 mg/m3, STEL: 3 mg/m3

RIDADR

UN 2811 6.1/PG 2

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)


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