alpha-Chlorocinnamaldehyde
Also known as: (Z)-2-chloro-3-phenylprop-2-enal, 2-Chloro-3-phenyl-2-propenal, 2-Chloro-3-phenylacrylaldehyde, 2-chlorocinnamaldehyde, Cinnamaldehyde, alpha-chloro-, MFCD00006967, EINECS 242-237-4
alpha-Chlorocinnamaldehyde (CAS 18365-42-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H7ClO and a molecular weight of 166.604 g/mol. Key properties include a melting point of 20-22ºC, a boiling point of 265.9±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 130.7±12.9 °C. 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.
- 18365-42-9
- Jingsj CID
- J-37894-9
- Molecular Formula
- C9H7ClO
- Molecular Weight
- 166.604 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 20-22ºC |
|---|---|
| Boiling Point | 265.9±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 130.7±12.9 °C |
| Exact Mass | 166.018539 |
| PSA | 17.07000 |
| LogP | 2.28 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.592 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2913000090 |
|---|---|
| Summary | HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of alpha-Chlorocinnamaldehyde?
The CAS number of alpha-Chlorocinnamaldehyde is 18365-42-9.
What are the molecular formula and molecular weight of alpha-Chlorocinnamaldehyde?
alpha-Chlorocinnamaldehyde has molecular formula C9H7ClO and molecular weight 166.604 g/mol.
Is alpha-Chlorocinnamaldehyde hazardous?
alpha-Chlorocinnamaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of alpha-Chlorocinnamaldehyde?
For alpha-Chlorocinnamaldehyde, Upstream Products: Cinnamaldehyde, trans-Cinnamaldehyde, β-Methoxystyrene; Downstream Products: Methyl cinnamate, Cinnamaldehyde, 1-Formylpiperidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "alpha-Chlorocinnamaldehyde (CAS 18365-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37894-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.