Caprolactam CAS#105-60-2

CAS Number: 105-60-2
Chemical Formula: C6H11NO
Synonyms:

CYCLOHEXANONEISOOXIME
E-CAPROLACTAM
CAPROLACTAM

Appearance: White Powder

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Caprolactam CAS#105-60-2

Caprolactam, CH2CH2CH2CH2CH2NHCO, is a solid material composed of white flakes. Caprolactam is soluble in water and has a specific gravity (in a 70% solution)of 1.05, which is heavier than water. It may also be encountered as a molten material. Caprolactam is toxic by inhalation, with a TLV of (vapor) 5 ppm in air and (dust) 1 mg/m3 of air. The primary uses are in the manufacture of synthetic fibers, plastics, film, coatings, and polyurethanes.

Caprolactam Chemical Properties

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/m3 NIOSH: TWA 1 mg/m3; TWA 0.22 ppm; STEL 3 mg/m3; STEL 0.66 ppm
Dielectric constant	1.7 - 1.9（0.0℃）
InChI	1S/C6H11NO/c8-6-4-2-1-3-5-7-6/h1-5H2,(H,7,8)
InChIKey	JBKVHLHDHHXQEQ-UHFFFAOYSA-N
SMILES	O=C1CCCCCN1
LogP	0.12 at 25℃
CAS DataBase Reference	105-60-2(CAS DataBase Reference)
IARC	3 (Vol. 39, Sup 7, 71) 1999
NIST Chemistry Reference	Caprolactam(105-60-2)
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	TSCA listed
HS Code	29337100
Storage Class	11 - Combustible Solids
Hazard Classifications	Acute Tox. 4 Inhalation Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3
Hazardous Substances Data	105-60-2(Hazardous Substances Data)
Toxicity	LD50 orally in rats: 2.14 g/kg (Smyth)

Product Application Of Caprolactam CAS#105-60-2

ε-Caprolactam is used as a monomer in the preparation of synthetic fibers of the polyamide as well as a solvent for high molecular weight polymers. It is also used in coatings and plasticizers. Further, it is used as a cross linking agent for polyurethanes. In addition to this, it is used to prepare nylon-6, which finds application in fibers and plastics.

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