4-Ethylbenzoyl chloride
Also known as: p-Ethylbenzoyl chloride, 4-Ethylbenzoic acid chloride, 4-Ethylbenzene-1-carbonyl chloride, Benzoyl chloride, 4-ethyl-, 4-ethylbenzoyl chloride
4-Ethylbenzoyl chloride (CAS 16331-45-6) 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 42 - 43ºC, a boiling point of 235.4±19.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 99.6±14.6 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16331-45-6
- Jingsj CID
- J-44402-0
- 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 | 42 - 43ºC |
|---|---|
| Boiling Point | 235.4±19.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 99.6±14.6 °C |
| Exact Mass | 168.034195 |
| PSA | 17.07000 |
| LogP | 3.20 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.532 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
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 4-Ethylbenzoyl chloride?
The CAS number of 4-Ethylbenzoyl chloride is 16331-45-6.
What are the molecular formula and molecular weight of 4-Ethylbenzoyl chloride?
4-Ethylbenzoyl chloride has molecular formula C9H9ClO and molecular weight 168.620 g/mol.
Is 4-Ethylbenzoyl chloride hazardous?
4-Ethylbenzoyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 4-Ethylbenzoyl chloride?
For 4-Ethylbenzoyl chloride, Upstream Products: 4-Ethylbenzoic acid, 4-Ethyltoluene, Oxalyl chloride; Downstream Products: 4-ethylbenzamide, 4-Ethylphenylacetonitrile, 3-(4-Ethylphenyl)-3-oxopropanenitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Ethylbenzoyl chloride (CAS 16331-45-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44402-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.