4-Bromo-3-fluorotoluene Chemical Properties

Boiling point:

95 °C/50 mmHg (lit.)

Density 

1.494 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.53(lit.)

Flash point:

95 °F

storage temp. 

Sealed in dry,Room Temperature

form 

Liquid

Specific Gravity

1.494

color 

Clear light yellow

BRN 

2500154

InChI

InChI=1S/C7H6BrF/c1-5-2-3-6(8)7(9)4-5/h2-4H,1H3

InChIKey

SLFNGVGRINFJLK-UHFFFAOYSA-N

SMILES

C1(Br)=CC=C(C)C=C1F

CAS DataBase Reference

452-74-4(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

10-36/37/38

Safety Statements 

26-37/39-16

RIDADR 

UN 1993 3/PG 3

WGK Germany 

3

Hazard Note 

Irritant

HazardClass 

3

PackingGroup 

III

HS Code 

29039990

Storage Class

3 - Flammable liquids

Hazard Classifications

Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

4-Bromo-3-fluorotoluene Usage And Synthesis

Chemical Properties

colorless to light yellow liqui

Uses

4-Bromo-3-fluorotoluene may be used in the preparation of 1-(4-cyano-3- fluorobenzyl)-5-imidazolecarboxaldehyde and 1-bromo-4-bromomethyl-2-fluorobenzene.

Uses

4-Bromo-3-fluorotoluene is used in the synthesis of S-trityl-L-cysteine based inhibitors that show potent antitumor activity in lung cancer models. Chemical reagent for organic synthesis.

General Description

4-Bromo-3-fluorotoluene (1-bromo-2-fluoro-4-methylbenzene) is an aryl fluorinated building block. Synthesis of 4-bromo-3-fluorotoluene from o-nitro-p-toluidine (Fast Red Base GL), via diazo reaction at high temperature, Sandmeyer reaction, reduction and Schiemann reaction has been reported. Its density and refractive index have been determined.

Synthesis

the preparation method of a 4-Bromo-3-fluorotoluene, it is characterized in that: 4-amino-3-toluene fluoride hydrobromate, Hydrogen bromide, water drips Sodium Nitrite/water down at-10-10 ℃ and carries out diazotization, reaction solution joins in cuprous bromide/hydrobromic solution, and bromination under the normal temperature was reacted 0.5-2 hour, separate, purifying obtains target product 4-Bromo-3-fluorotoluene.

References

[1] Method for preparing 4-bromine-3-fluorine methylbenzene. CN1274650C

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