4,4'-Dichlorobenzil
Also known as: 1,2-Bis(4-chlorophenyl)-1,2-ethanedione, 1,2-Bis(4-chlorophenyl)ethane-1,2-dione, Bis(4-chlorophenyl)ethanedione, p,p'-Dichlorobenzil, 4,4'-Dichlorobibenzoyl, 4,4'-Dichlorodibenzoyl, Bis(p-chlorophenyl)ethanedione, Di(4-chlorophenyl) diketone, Ethanedione, bis(4-chlorophenyl)-, 1,2-Di(4-chlorophenyl)-1,2-ethanedione, 1,2-Ethanedione, 1,2-bis(4-chlorophenyl)-
4,4'-Dichlorobenzil (CAS 3457-46-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H8Cl2O2 and a molecular weight of 279.118 g/mol. Key properties include a melting point of 194-197ºC, a boiling point of 427.3±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 180.4±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3457-46-3
- Jingsj CID
- J-1137339-0
- Molecular Formula
- C14H8Cl2O2
- Molecular Weight
- 279.118 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 194-197ºC |
|---|---|
| Boiling Point | 427.3±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 180.4±25.1 °C |
| Exact Mass | 277.990143 |
| PSA | 34.14000 |
| LogP | 4.91 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.612 |
Customs & Trade Information
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4,4'-Dichlorobenzil?
The CAS number of 4,4'-Dichlorobenzil is 3457-46-3.
What are the molecular formula and molecular weight of 4,4'-Dichlorobenzil?
4,4'-Dichlorobenzil has molecular formula C14H8Cl2O2 and molecular weight 279.118 g/mol.
What are the upstream and downstream products of 4,4'-Dichlorobenzil?
For 4,4'-Dichlorobenzil, Upstream Products: 4,4'-Dichlorobenzoin, Vinylene carbonate, 4-Bromochlorobenzene; Downstream Products: Chlorobenzilate, 4-(4-chlorophenyl)-4-oxobutanenitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Dichlorobenzil (CAS 3457-46-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1137339-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.