N-Vinylcaprolactam

N-乙烯基己内酰胺

Also known as: N-Vinyl-epsilon-caprolactam, 1-Vinyl-2-caprolactam, 1-Ethenylhexahydro-2H-azepin-2-one, 1-Vinylazepan-2-one, NVCL, VCAP, N-Vinyl-ε-caprolactam

N-Vinylcaprolactam (CAS 2235-00-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H13NO and a molecular weight of 139.195 g/mol. It is also known as N-Vinyl-epsilon-caprolactam, 1-Vinyl-2-caprolactam and 1-Ethenylhexahydro-2H-azepin-2-one. Key properties include a melting point of 35-38 °C (dec.)(lit.), a boiling point of 254.7±7.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 112.5±9.4 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2235-00-9
Jingsj CID
J-309-2
Molecular Formula
C8H13NO
Chinese Name
N-乙烯基己内酰胺
Molecular Weight
139.195 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point35-38 °C (dec.)(lit.)
Boiling Point254.7±7.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point112.5±9.4 °C
Exact Mass139.099716
PSA20.31000
LogP1.50
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.548

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H372 — Causes damage to organs through prolonged exposure

Customs & Trade Information

HS Code2933790090
Summary2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of N-Vinylcaprolactam?

The CAS number of N-Vinylcaprolactam is 2235-00-9.

What are the molecular formula and molecular weight of N-Vinylcaprolactam?

N-Vinylcaprolactam has molecular formula C8H13NO and molecular weight 139.195 g/mol.

Is N-Vinylcaprolactam hazardous?

N-Vinylcaprolactam has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of N-Vinylcaprolactam?

For N-Vinylcaprolactam, Upstream Products: Caprolactam, Acetylene, Butane, 1,4-diethoxy-; Downstream Products: Caprolactam, ethyl 6-bromoquinoline-2-carboxylate.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "N-Vinylcaprolactam (CAS 2235-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-309-2 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.