2-Azacyclooctanone
Also known as: 2-Azocanone, 2-Ketoheptamethyleneimine, 2-Oxoheptamethyleneimine, Azocan-2-one, Enantholactam, Heptanoic acid, 7-amino-, lactam, Hexahydro-2(1H)-azocinone, NSC 77088, Octahydroazocin-2-one, Oenantholactam, Omega-enantholactam, Omega-heptalactam, Omega-heptanolactam, Perhydro-2-azocinone, ζ-Enantholactam, ω-Heptalactam, ω-Heptanolactam
2-Azacyclooctanone (CAS 673-66-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H13NO and a molecular weight of 127.184 g/mol. Key properties include a melting point of 35-38 °C(lit.), a boiling point of 287.6±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 143.3±3.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 673-66-5
- Jingsj CID
- J-32135-7
- Molecular Formula
- C7H13NO
- Molecular Weight
- 127.184 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 35-38 °C(lit.) |
|---|---|
| Boiling Point | 287.6±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 143.3±3.4 °C |
| Exact Mass | 127.099716 |
| PSA | 29.10000 |
| LogP | 0.24 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.445 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. 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 2-Azacyclooctanone?
The CAS number of 2-Azacyclooctanone is 673-66-5.
What are the molecular formula and molecular weight of 2-Azacyclooctanone?
2-Azacyclooctanone has molecular formula C7H13NO and molecular weight 127.184 g/mol.
Is 2-Azacyclooctanone hazardous?
2-Azacyclooctanone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 2-Azacyclooctanone?
For 2-Azacyclooctanone, Upstream Products: Cycloheptanone, Cycloheptanone oxime, 7-Aminoheptanoic acid; Downstream Products: 7-Aminoheptanoic acid, 7-Amino-1-heptanol, Azepane-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Azacyclooctanone (CAS 673-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32135-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.