1,1'-(Bromomethylene)bis(4-fluorobenzene)

Also known as: 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene, 1-bis(4-fluorophenyl)methyl bromide, 4,4'-(bromomethylene)bis(fluorobenzene), 4,4'-difluorobenzhydryl bromide, 4,4'-difluoro-diphenyl-bromomethane, Bis(4-fluorophenyl)bromomethane, Bis-(4-fluorophenyl)bromomethane, bis(p-fluorophenyl)bromomethane, bis(4-fluorophenyl)methylbromide, bromobis(4-fluorophenyl)methane, EINECS 206-465-8

1,1'-(Bromomethylene)bis(4-fluorobenzene) (CAS 345-90-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H9BrF2 and a molecular weight of 283.111 g/mol. Key properties include a boiling point of 302.4±32.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 136.7±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 345-90-4
Jingsj CID: J-1012904-1
Molecular Formula: C₁₃H₉BrF₂
Molecular Weight: 283.111 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	302.4±32.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	136.7±25.1 °C
Exact Mass	281.985565
LogP	4.75
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.576

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 1,1'-(Bromomethylene)bis(4-fluorobenzene)?

The CAS number of 1,1'-(Bromomethylene)bis(4-fluorobenzene) is 345-90-4.

What are the molecular formula and molecular weight of 1,1'-(Bromomethylene)bis(4-fluorobenzene)?

1,1'-(Bromomethylene)bis(4-fluorobenzene) has molecular formula C13H9BrF2 and molecular weight 283.111 g/mol.

What are the upstream and downstream products of 1,1'-(Bromomethylene)bis(4-fluorobenzene)?

For 1,1'-(Bromomethylene)bis(4-fluorobenzene), Upstream Products: 4,4'-Difluorobenzhydrol, 4,4'-Difluorobenzophenone, 4-Fluorobenzaldehyde; Downstream Products: 1-[bis(4-fluorophenyl)methyl]piperazine.

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. "1,1'-(Bromomethylene)bis(4-fluorobenzene) (CAS 345-90-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012904-1 (accessed 2026-11-09).

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