1,2,3,4,5-pentachloro-6-iodobenzene

Also known as: 1,2,3,4,5-pentachloro-6-iodobenzene, Benzene,1,2,3,4,5-pentachloro-6-iodo-, Pentachloroiodobenzene, Iodopentachlorobenzene, 2,3,4,5,6-pentachloroiodobenzene, Benzene,pentachloroiodo-

1,2,3,4,5-pentachloro-6-iodobenzene (CAS 16478-18-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6Cl5I and a molecular weight of 376.23400 g/mol. Key properties include a melting point of 215-217ºC, a boiling point of 356.8ºC at 760mmHg, a density of 2.196g/cm3 and a flash point of 169.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16478-18-5
Jingsj CID: J-1321347-3
Molecular Formula: C₆Cl₅I
Molecular Weight: 376.23400 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	215-217ºC
Boiling Point	356.8ºC at 760mmHg
Density	2.196g/cm3
Flash Point	169.6ºC
Exact Mass	373.74900
LogP	5.55820
Vapor Pressure	5.85E-05mmHg at 25°C
Refractive Index	1.665

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 1,2,3,4,5-pentachloro-6-iodobenzene?

The CAS number of 1,2,3,4,5-pentachloro-6-iodobenzene is 16478-18-5.

What are the molecular formula and molecular weight of 1,2,3,4,5-pentachloro-6-iodobenzene?

1,2,3,4,5-pentachloro-6-iodobenzene has molecular formula C6Cl5I and molecular weight 376.23400 g/mol.

What are the upstream and downstream products of 1,2,3,4,5-pentachloro-6-iodobenzene?

For 1,2,3,4,5-pentachloro-6-iodobenzene, Upstream Products: Pentachlorobenzene, Hexachlorobenzene, Pentachloroaniline; Downstream Products: 2,2',3,3',4,4',5,5',6-Nonachlorobiphenyl, 2,2',3,3',4,4',5,6-Octachlorobiphenyl, 2,2',3,4,4',5,5',6-Octachlorobiphenyl.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,2,3,4,5-pentachloro-6-iodobenzene (CAS 16478-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1321347-3 (accessed 2026-11-09).

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