1,2,4-Trichlorobenzene
Also known as: unsym-Trichlorobenzene, 1,2,5-Trichlorobenzene, Trichlorobenzene, 1,2,4-, Trichlorobenzol, Trojchlorobenzen, Hostetex l-pec, Benzene, 1,2,4-trichloro-, NSC 406697, MFCD00000547, as-trichlorobenzene
1,2,4-Trichlorobenzene (CAS 120-82-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl3 and a molecular weight of 181.447 g/mol. Key properties include a melting point of 16 °C(lit.), a boiling point of 211.4±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 126.7±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H410 — Very 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.
- 120-82-1
- Jingsj CID
- J-14356-9
- Molecular Formula
- C6H3Cl3
- Molecular Weight
- 181.447 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 16 °C(lit.) |
|---|---|
| Boiling Point | 211.4±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 126.7±0.0 °C |
| Exact Mass | 179.930038 |
| LogP | 3.82 |
| Additional Property | >6 (vs air) |
| Vapor Pressure | 0.3±0.4 mmHg at 25°C |
| Refractive Index | 1.567 |
| Additional Property | INSOLUBLE |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2,4-Trichlorobenzene?
The CAS number of 1,2,4-Trichlorobenzene is 120-82-1.
What are the molecular formula and molecular weight of 1,2,4-Trichlorobenzene?
1,2,4-Trichlorobenzene has molecular formula C6H3Cl3 and molecular weight 181.447 g/mol.
Is 1,2,4-Trichlorobenzene hazardous?
1,2,4-Trichlorobenzene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of 1,2,4-Trichlorobenzene?
For 1,2,4-Trichlorobenzene, Upstream Products: 1,3-Dichlorobenzene, 1-Chloro-3,4-dinitrobenzene, 2,4-Dichlorophenol; Downstream Products: 2,3,3',4,4'-Pentachlorobiphenyl, 2,3',4,4',5-Pentachlorobiphenyl, 2,3,3',4',6-Pentachlorobiphenyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,4-Trichlorobenzene (CAS 120-82-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14356-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.