3-Phenylpropanoyl chloride
Also known as: Hydrocinnamoyl chloride, 3-Phenylpropionyl chloride, Benzenepropanoyl chloride, beta-Phenylpropanoyl chloride, Hydrocinnamic acid chloride, Benzenepropanoic acid chloride, Benzenepropionic acid chloride
3-Phenylpropanoyl chloride (CAS 645-45-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H9ClO and a molecular weight of 168.620 g/mol. Key properties include a melting point of −7-−5 °C(lit.), a boiling point of 232.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 108.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 645-45-4
- Jingsj CID
- J-5451-3
- Molecular Formula
- C9H9ClO
- Molecular Weight
- 168.620 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −7-−5 °C(lit.) |
|---|---|
| Boiling Point | 232.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 108.3±0.0 °C |
| Exact Mass | 168.034195 |
| PSA | 17.07000 |
| LogP | 2.65 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.528 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H331 — Toxic if inhaled
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives 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 3-Phenylpropanoyl chloride?
The CAS number of 3-Phenylpropanoyl chloride is 645-45-4.
What are the molecular formula and molecular weight of 3-Phenylpropanoyl chloride?
3-Phenylpropanoyl chloride has molecular formula C9H9ClO and molecular weight 168.620 g/mol.
Is 3-Phenylpropanoyl chloride hazardous?
3-Phenylpropanoyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H331 — Toxic if inhaled.
What are the upstream and downstream products of 3-Phenylpropanoyl chloride?
For 3-Phenylpropanoyl chloride, Upstream Products: 3-Phenylpropionic acid, Oxalyl chloride, trans-Cinnamic acid; Downstream Products: 1-(3-phenylpropyl)piperidin-4-one, 1-(2-Hydroxyphenyl)-3-phenylpropan-1-one, 4-Amino-2,3-dihydro-1H-inden-1-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Phenylpropanoyl chloride (CAS 645-45-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5451-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.