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1,3-Bis(chloromethyl)benzene

Also known as: m-Xylylene dichloride, alpha,alpha'-Dichloro-m-xylene, 1,3-Bis(chloromethyl)benzene, m-Dichloroxylene, m-Bis(chloromethyl)benzene

1,3-Bis(chloromethyl)benzene (CAS 626-16-4) 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 33-35 °C(lit.), a boiling point of 253.7±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 118.0±15.1 °C. It is classified under GHS with signal word Danger 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.
626-16-4
Jingsj CID
J-1421276-3
Molecular Formula
C8H8Cl2
Molecular Weight
175.055 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point33-35 °C(lit.)
Boiling Point253.7±20.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point118.0±15.1 °C
Exact Mass174.000305
LogP2.76
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.545
Additional Propertyhydrolysis

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H330 — Fatal if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2903999090
Summary2903999090 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 1,3-Bis(chloromethyl)benzene?

The CAS number of 1,3-Bis(chloromethyl)benzene is 626-16-4.

What are the molecular formula and molecular weight of 1,3-Bis(chloromethyl)benzene?

1,3-Bis(chloromethyl)benzene has molecular formula C8H8Cl2 and molecular weight 175.055 g/mol.

Is 1,3-Bis(chloromethyl)benzene hazardous?

1,3-Bis(chloromethyl)benzene has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1,3-Bis(chloromethyl)benzene?

For 1,3-Bis(chloromethyl)benzene, Upstream Products: 1,3-Benzenedimethanol, m-Xylene, Dimethyl isophthalate; Downstream Products: 2,4-Dichlorobenzyl chloride, 1,3-Benzenedimethanethiol, 1,3-Bis(methoxymethyl)benzene.

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-Bis(chloromethyl)benzene (CAS 626-16-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1421276-3 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.