1,4-Difluoro-2,5-dimethoxybenzene

1,4-二氟-2,5-二甲氧基苯

Also known as: 1,4-Difluoro-2,5-dimethoxybenzene 98%, 1,4-Difluoro-2,5-dimethoxybenzene98%, 2,5-difluoro-1,4-dimethoxybenzene, Benzene, 1,4-difluoro-2,5-dimethoxy-, MFCD00142553

1,4-Difluoro-2,5-dimethoxybenzene (CAS 199866-90-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H8F2O2 and a molecular weight of 174.14500 g/mol. It is also known as 1,4-Difluoro-2,5-dimethoxybenzene 98%, 1,4-Difluoro-2,5-dimethoxybenzene98% and 2,5-difluoro-1,4-dimethoxybenzene. Key properties include a melting point of 123-125 °C(lit.), a boiling point of 193.7ºC at 760 mmHg and a density of 1.193g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
199866-90-5
Jingsj CID
J-9396-7
Molecular Formula
C8H8F2O2
Chinese Name
1,4-二氟-2,5-二甲氧基苯
Molecular Weight
174.14500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point123-125 °C(lit.)
Boiling Point193.7ºC at 760 mmHg
Density1.193g/cm3

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

The CAS number of 1,4-Difluoro-2,5-dimethoxybenzene is 199866-90-5.

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

1,4-Difluoro-2,5-dimethoxybenzene has molecular formula C8H8F2O2 and molecular weight 174.14500 g/mol.

Is 1,4-Difluoro-2,5-dimethoxybenzene hazardous?

1,4-Difluoro-2,5-dimethoxybenzene has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1,4-Difluoro-2,5-dimethoxybenzene (CAS 199866-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9396-7 (accessed 2026-10-23).

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