2,4-Dichloro-6-hydroxybenzaldehyde

Name: 2,4-Dichloro-6-hydroxybenzaldehyde
Brand: ChemScene
Availability: InStock
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CAS No. 78443-72-8
Cat. No. CS-W015856
Purity≥95%
MDL No.MFCD00016590

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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+

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2,4-Dichloro-6-hydroxybenzaldehyde|CS-W015856

Structure of 78443-72-8

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General Information

CAS No. 78443-72-8
Cat. No. CS-W015856
Purity ≥95%
MDL No. MFCD00016590
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₄Cl₂O₂
Molecular Weight 191.01
Synonym(s) 4,6-Dichlorosalicylaldehyde
SMILES OC1=CC(Cl)=CC(Cl)=C1C=O

Description

2,4-Dichloro-6-hydroxybenzaldehyde features a hydroxyl group flanked by two chlorine substituents on the aromatic ring, enabling direct participation in hydrogen bonding and enhancing solubility in polar solvents. This electron-deficient aldehyde integrates readily into synthesis pathways requiring orthogonal functionalization, particularly in pharmaceutical intermediates and fluorescent probe development.

Application

2,4-Dichloro-6-hydroxybenzaldehyde serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling efficient access to substituted heterocycles and functionalized aromatic scaffolds. Its ortho-chlorine substituents facilitate electrophilic substitution, while the aldehyde and phenolic hydroxyl groups offer orthogonal reactivity for coupling, derivatization, and protection strategies. The compound exhibits good bench stability and is compatible with standard purification methods, supporting reliable use in multi-step syntheses.

Synthesis

Route1
- In-stock
  
  2420-26-0
- ~%
- In-stock
  
  78443-72-8
References
- US6921763 B2, ;

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 37.3
LogP 2.5115
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Aldehyde

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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2,4-Dichloro-6-hydroxybenzaldehyde

CAS No. 78443-72-8

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