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Pentachlorobenzene

Also known as: 1,2,3,4,5-Pentachlorobenzene, Benzene, 1,2,3,4,5-pentachloro-, QCB, Rcra waste number U183

Pentachlorobenzene (CAS 608-93-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6HCl5 and a molecular weight of 250.33700 g/mol. Key properties include a melting point of 84-87 °C(lit.), a boiling point of 275-277 °C(lit.), a density of 1.609 g/mL at 25 °C(lit.) and a flash point of 131.6ºC. It is classified under GHS with signal word Danger and hazard statements H228, H302 — Harmful if swallowed 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.
608-93-5
Jingsj CID
J-1320907-2
Molecular Formula
C6HCl5
Molecular Weight
250.33700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point84-87 °C(lit.)
Boiling Point275-277 °C(lit.)
Density1.609 g/mL at 25 °C(lit.)
Flash Point131.6ºC
Exact Mass247.85200
LogP4.95360
Refractive Index1.595

GHS Safety & Compliance

Flammable / Irritant / Environmental HazardSignal word: Danger
  • H228
  • H302 — Harmful if swallowed
  • H410 — Very toxic to aquatic life with long lasting effects

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 Pentachlorobenzene?

The CAS number of Pentachlorobenzene is 608-93-5.

What are the molecular formula and molecular weight of Pentachlorobenzene?

Pentachlorobenzene has molecular formula C6HCl5 and molecular weight 250.33700 g/mol.

Is Pentachlorobenzene hazardous?

Pentachlorobenzene has GHS signal word Danger and hazard statements H228; H302 — Harmful if swallowed; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Pentachlorobenzene?

For Pentachlorobenzene, Upstream Products: Hexachlorobenzene, Carbon dioxide, Pentachloroaniline; Downstream Products: 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl, 2,2',3,3',4,4',5,5',6-Nonachlorobiphenyl, 2,2',3,3',4,5,6,6'-Octachlorobiphenyl.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Pentachlorobenzene (CAS 608-93-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1320907-2 (accessed 2026-11-07).

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