1,4-Diiodo-2,5-dimethoxybenzene

1,4-二碘-2,5-二甲氧基苯

Also known as: 2,5-Diiodo-1,4-dimethoxybenzene, 2,5-Dimethoxy-1,4-diiodobenzene, Benzene, 1,4-diiodo-2,5-dimethoxy-

1,4-Diiodo-2,5-dimethoxybenzene (CAS 51560-21-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H8I2O2 and a molecular weight of 389.957 g/mol. It is also known as 2,5-Diiodo-1,4-dimethoxybenzene, 2,5-Dimethoxy-1,4-diiodobenzene and Benzene, 1,4-diiodo-2,5-dimethoxy-. Key properties include a melting point of 171ºC, a boiling point of 382.9±42.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 185.4±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51560-21-5
Jingsj CID
J-1437226-5
Molecular Formula
C8H8I2O2
Chinese Name
1,4-二碘-2,5-二甲氧基苯
Molecular Weight
389.957 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point171ºC
Boiling Point382.9±42.0 °C at 760 mmHg
Density2.1±0.1 g/cm3
Flash Point185.4±27.9 °C

Frequently Asked Questions

What is the CAS number of 1,4-Diiodo-2,5-dimethoxybenzene?

The CAS number of 1,4-Diiodo-2,5-dimethoxybenzene is 51560-21-5.

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

1,4-Diiodo-2,5-dimethoxybenzene has molecular formula C8H8I2O2 and molecular weight 389.957 g/mol.

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

Last updated:

How to cite: Jingsj. "1,4-Diiodo-2,5-dimethoxybenzene (CAS 51560-21-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1437226-5 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.