4-Bromo-1,2-dichlorobenzene

Name: 4-Bromo-1,2-dichlorobenzene
Brand: ChemScene
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CAS No. 18282-59-2
Cat. No. CS-W007991
Purity≥98%
MDL No.MFCD00040849

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

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Structure of 18282-59-2

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Description

4-Bromo-1,2-dichlorobenzene features a halogenated aromatic core with complementary reactivity for cross-coupling and electrophilic substitution. The bromine site enables palladium-catalyzed coupling, while the adjacent dichloro groups provide steric and electronic modulation. This scaffold offers high stability under standard conditions and integrates readily into complex molecular architectures.

Application

4-Bromo-1,2-dichlorobenzene serves as a versatile building block in cross-coupling reactions, enabling efficient synthesis of biaryl scaffolds under palladium catalysis. Its orthogonal halogen reactivity facilitates sequential functionalization, while the bench-stable, crystalline solid offers straightforward handling and purification. Functions effectively in Suzuki-Miyaura and Stille couplings, providing access to complex heterocyclic and pharmaceutical intermediates with predictable regiochemistry.

General Information

CAS No. 18282-59-2
Cat. No. CS-W007991
Purity ≥98%
MDL No. MFCD00040849
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃BrCl₂
Molecular Weight 225.90
Synonym(s) 1-Bromo-3,4-dichlorobenzene
SMILES C1=C(C=C(C(=C1)Cl)Cl)Br

Computational Chemistry Data

TPSA 0
LogP 3.7559
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 0

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H227-H315-H319-H335
Precautionary Statements : P210-P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P370+P378-P403-P405-P501

Quality Control

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Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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4-Bromo-1,2-dichlorobenzene

CAS No. 18282-59-2

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