9-(2-Carboxy-2-cyanovinyl)julolidine
Also known as: CCVJ, 9-((E)-2-carboxy-2-cyanovinyl)julolidine, 2-cyano-3-(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)acrylic acid, (E)-2-cyano-3-(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)acrylic acid
9-(2-Carboxy-2-cyanovinyl)julolidine (CAS 142978-18-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H16N2O2 and a molecular weight of 268.31000 g/mol. Key properties include a boiling point of 539.4ºC at 760 mmHg, a density of 1.32g/cm3 and a flash point of 280ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 142978-18-5
- Jingsj CID
- J-1955202-4
- Molecular Formula
- C16H16N2O2
- Molecular Weight
- 268.31000 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 539.4ºC at 760 mmHg |
|---|---|
| Density | 1.32g/cm3 |
| Flash Point | 280ºC |
| Exact Mass | 268.12100 |
| PSA | 64.33000 |
| LogP | 2.44198 |
| Vapor Pressure | 1.81E-12mmHg at 25°C |
| Refractive Index | 1.65 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Iwaki T, et al. Antibodies for fluorescent molecular rotors. Biochemistry. 1993 Jul 27;32(29):7589-92. |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 9-(2-Carboxy-2-cyanovinyl)julolidine?
The CAS number of 9-(2-Carboxy-2-cyanovinyl)julolidine is 142978-18-5.
What are the molecular formula and molecular weight of 9-(2-Carboxy-2-cyanovinyl)julolidine?
9-(2-Carboxy-2-cyanovinyl)julolidine has molecular formula C16H16N2O2 and molecular weight 268.31000 g/mol.
Is 9-(2-Carboxy-2-cyanovinyl)julolidine hazardous?
9-(2-Carboxy-2-cyanovinyl)julolidine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "9-(2-Carboxy-2-cyanovinyl)julolidine (CAS 142978-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955202-4 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.