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

Modify Date: 2026-07-09 19:49:56

1,1'-(Bromomethylene)bis(4-fluorobenzene) Structure
1,1'-(Bromomethylene)bis(4-fluorobenzene) structure
Common Name 1,1'-(Bromomethylene)bis(4-fluorobenzene)
CAS Number 345-90-4 Molecular Weight 283.111
Density 1.5±0.1 g/cm3 Boiling Point 302.4±32.0 °C at 760 mmHg
Molecular Formula C13H9BrF2 Melting Point N/A
MSDS N/A Flash Point 136.7±25.1 °C

Summary: Bromo-1-(4-fluorophenyl)methyl-4-fluorobenzene (1,1'-(Bromomethylene)bis(4-fluorobenzene)), with CAS number 345-90-4, has a molecular formula of C13H9BrF2 and a molecular weight of 283.111. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.5±0.1 g/cm3
Boiling Point 302.4±32.0 °C at 760 mmHg
Molecular Formula C13H9BrF2
Molecular Weight 283.111
Flash Point 136.7±25.1 °C
Exact Mass 281.985565
LogP 4.75
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.576
InChIKey HXDAZUSPEXGQSS-UHFFFAOYSA-N
SMILES Fc1ccc(C(Br)c2ccc(F)cc2)cc1

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2903999090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~77%

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

1,1'-(Bromometh...

CAS#:345-90-4

Learn More
Literature: Brown, Adam R.; Kuo, Wen-Hsin; Jacobsen, Eric N. Journal of the American Chemical Society, 2010 , vol. 132, # 27 p. 9286 - 9288

~57%

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

1,1'-(Bromometh...

CAS#:345-90-4

Learn More
Literature: Takeda Chemical Industries, Ltd. Patent: US6248766 B1, 2001 ;

~%

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

1,1'-(Bromometh...

CAS#:345-90-4

Learn More
Literature: Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), , p. 1051 - 1057

~%

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

1,1'-(Bromometh...

CAS#:345-90-4

Learn More
Literature: Organic Letters, , vol. 13, # 1 p. 98 - 101

~%

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

1,1'-(Bromometh...

CAS#:345-90-4

Learn More
Literature: Organic Process Research and Development, , vol. 11, # 3 p. 624 - 627

~%

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

1,1'-(Bromometh...

CAS#:345-90-4

Learn More
Literature: Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), , p. 1051 - 1057

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

bis(4-fluorophenyl)bromomethane
bromobis(4-fluorophenyl)methane
4,4'-Difluor-benzhydrylbromid
1,1'-(Bromomethylene)bis(4-fluorobenzene)
bis (p-fluorophenyl)bromomethane
4,4'-(BROMOMETHYLENE)BIS(FLUOROBENZENE)
EINECS 206-465-8
1-bis(4-fluorophenyl)methyl bromide
4,4'-difluoro-benzhydryl bromide

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: Molecular weight of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene is 283.111.
Q: What is the boiling point of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: Boiling point of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene is 302.4±32.0 °C at 760 mmHg.
Q: What is the InChIKey of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: InChIKey of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene is HXDAZUSPEXGQSS-UHFFFAOYSA-N.
Q: What is the English name of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: The English name of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene is 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene.
Q: What English synonyms does 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene have?
A: English synonyms of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene: bis(4-fluorophenyl)bromomethane, bromobis(4-fluorophenyl)methane, 4,4'-Difluor-benzhydrylbromid, 1,1'-(Bromomethylene)bis(4-fluorobenzene), bis (p-fluorophenyl)bromomethane, 4,4'-(BROMOMETHYLENE)BIS(FLUOROBENZENE), EINECS 206-465-8, 1-bis(4-fluorophenyl)methyl bromide, 4,4'-difluoro-benzhydryl bromide.
Q: What is the CAS number of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: CAS number of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene is 345-90-4.
Q: What are the downstream products of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: Related downstream products(CAS) of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene: 27469-60-9;435-08-5;53915-75-6.
Q: What are the upstream materials of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: Related upstream materials(CAS) of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene: 365-24-2;345-92-6;459-57-4;460-00-4;352-13-6.
Q: What is the SMILES notation of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: SMILES notation of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene is Fc1ccc(C(Br)c2ccc(F)cc2)cc1.
Q: What is the LogP of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene?
A: LogP of 1-[bromo-(4-fluorophenyl)methyl]-4-fluorobenzene is 4.75.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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