1,4-Diiodo-2,5-dimethylbenzene

Also known as: 2,5-Diiodo-p-xylene, 2,5-Diiodo-1,4-xylene, Benzene,1,4-diiodo-2,5-dimethyl-, 2,5-Diiodo-1,4-dimethylbenzene, 2,5-dimethyl-1,4-diiodobenzene

1,4-Diiodo-2,5-dimethylbenzene (CAS 1124-08-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H8I2 and a molecular weight of 357.95800 g/mol. Key properties include a melting point of 103-104ºC, a boiling point of 306.2ºC at 760 mmHg, a density of 2.154g/cm3 and a flash point of 147.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1124-08-9
Jingsj CID: J-28312-5
Molecular Formula: C₈H₈I₂
Molecular Weight: 357.95800 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	103-104ºC
Boiling Point	306.2ºC at 760 mmHg
Density	2.154g/cm3
Flash Point	147.6ºC
Exact Mass	357.87200
LogP	3.51260
Vapor Pressure	0.00142mmHg 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 1,4-Diiodo-2,5-dimethylbenzene?

The CAS number of 1,4-Diiodo-2,5-dimethylbenzene is 1124-08-9.

What are the molecular formula and molecular weight of 1,4-Diiodo-2,5-dimethylbenzene?

1,4-Diiodo-2,5-dimethylbenzene has molecular formula C8H8I2 and molecular weight 357.95800 g/mol.

What are the upstream and downstream products of 1,4-Diiodo-2,5-dimethylbenzene?

For 1,4-Diiodo-2,5-dimethylbenzene, Upstream Products: p-Xylene, 2-Iodo-1,4-dimethylbenzene; Downstream Products: 2',5'-DIMETHYL-1,1':4',1''-TERPHENYL, Benzo[k]tetraphene, 1,4-bis(bromomethyl)-2,5-diiodobenzene.

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. "1,4-Diiodo-2,5-dimethylbenzene (CAS 1124-08-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28312-5 (accessed 2026-11-09).

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