1,3-Dichlorobenzene
Also known as: m-Dichlorobenzene, 1,3-Dichlorobenzene
1,3-Dichlorobenzene (CAS 541-73-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2 and a molecular weight of 147.002 g/mol. Key properties include a melting point of -24 °C, a boiling point of 180.4±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 63.3±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 541-73-1
- Jingsj CID
- J-1328515-9
- Molecular Formula
- C6H4Cl2
- Molecular Weight
- 147.002 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -24 °C |
|---|---|
| Boiling Point | 180.4±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 63.3±0.0 °C |
| Exact Mass | 145.969009 |
| LogP | 3.42 |
| Vapor Pressure | 1.2±0.3 mmHg at 25°C |
| Refractive Index | 1.549 |
| Additional Property | 0.0123 g/100 mL (25 ºC) |
| Additional Property | -24℃ |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H411 — Toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2903911000 |
|---|---|
| Summary | 2903911000 1,3-dichlorobenzene。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。Lowest tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,3-Dichlorobenzene?
The CAS number of 1,3-Dichlorobenzene is 541-73-1.
What are the molecular formula and molecular weight of 1,3-Dichlorobenzene?
1,3-Dichlorobenzene has molecular formula C6H4Cl2 and molecular weight 147.002 g/mol.
Is 1,3-Dichlorobenzene hazardous?
1,3-Dichlorobenzene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H411 — Toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of 1,3-Dichlorobenzene?
For 1,3-Dichlorobenzene, Upstream Products: 2,6-Dichlorobenzoic acid, 1,2,4,5-Tetrachlorobenzene, 2,4-Dichlorobenzoic acid; Downstream Products: 3,5-Dichlorobiphenyl, 3-Chlorothioanisole, 2,3,3',4,5,5'-Hexachlorobiphenyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Dichlorobenzene (CAS 541-73-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328515-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.