1,4-Bis(chloromethyl)benzene
Also known as: alpha,alpha'-Dichloro-p-xylene, p-Xylylene dichloride, 1,4-Bis(chloromethyl)benzene, p-Xylene dichloride, p-Xylyl chloride, Benzene, 1,4-bis(chloromethyl)-
1,4-Bis(chloromethyl)benzene (CAS 623-25-6) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H8Cl2 and a molecular weight of 175.055 g/mol. Key properties include a melting point of 98-101 °C(lit.), a boiling point of 242.5±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 119.2±15.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 623-25-6
- Jingsj CID
- J-1324213-6
- Molecular Formula
- C8H8Cl2
- Molecular Weight
- 175.055 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 98-101 °C(lit.) |
|---|---|
| Boiling Point | 242.5±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 119.2±15.1 °C |
| Exact Mass | 174.000305 |
| LogP | 2.76 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.545 |
| Additional Property | hydrolysis |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye 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 1,4-Bis(chloromethyl)benzene?
The CAS number of 1,4-Bis(chloromethyl)benzene is 623-25-6.
What are the molecular formula and molecular weight of 1,4-Bis(chloromethyl)benzene?
1,4-Bis(chloromethyl)benzene has molecular formula C8H8Cl2 and molecular weight 175.055 g/mol.
Is 1,4-Bis(chloromethyl)benzene hazardous?
1,4-Bis(chloromethyl)benzene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1,4-Bis(chloromethyl)benzene?
For 1,4-Bis(chloromethyl)benzene, Upstream Products: Formaldehyde, benzene, p-Xylene; Downstream Products: 1,2-di(p-tolyl)ethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4-Bis(chloromethyl)benzene (CAS 623-25-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1324213-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.