1-cyclopentenylacetonitrile
1-环戊烯乙腈
Also known as: 1-(Cyanomethyl)cyclopentene, 1-Cyclopenteneacetonitrile, 1-Cyclopentene-1-acetonitrile, 2-(Cyclopent-1-en-1-yl)acetonitrile, Cyclopent-1-en-1-ylacetonitrile, Cyclopentene acetonitrile, MFCD00001398, EINECS 245-182-4
1-cyclopentenylacetonitrile (CAS 22734-04-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H9N and a molecular weight of 107.15300 g/mol. It is also known as 1-(Cyanomethyl)cyclopentene, 1-Cyclopenteneacetonitrile and 1-Cyclopentene-1-acetonitrile. Key properties include a boiling point of 124 °C100 mm Hg(lit.), a density of 0.951 g/mL at 25 °C(lit.) and a flash point of 157 °F. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22734-04-9
- Jingsj CID
- J-35025-5
- Molecular Formula
- C7H9N
- Chinese Name
- 1-环戊烯乙腈
- Molecular Weight
- 107.15300 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 124 °C100 mm Hg(lit.) |
|---|---|
| Density | 0.951 g/mL at 25 °C(lit.) |
| Flash Point | 157 °F |
| Exact Mass | 107.07300 |
| PSA | 23.79000 |
| LogP | 2.01038 |
| Vapor Pressure | 0.567mmHg at 25°C |
| Refractive Index | n20/D 1.467(lit.) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-cyclopentenylacetonitrile?
The CAS number of 1-cyclopentenylacetonitrile is 22734-04-9.
What are the molecular formula and molecular weight of 1-cyclopentenylacetonitrile?
1-cyclopentenylacetonitrile has molecular formula C7H9N and molecular weight 107.15300 g/mol.
Is 1-cyclopentenylacetonitrile hazardous?
1-cyclopentenylacetonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 1-cyclopentenylacetonitrile?
For 1-cyclopentenylacetonitrile, Upstream Products: Cyanoacetic acid, Cyclopentanone, Dibromoacetonitrile; Downstream Products: Cyclopentaneacetonitrile, Cyclopentamine, 1-cyclopentylpropan-2-one.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-cyclopentenylacetonitrile (CAS 22734-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35025-5 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.