2,3-Difluorobenzaldehyde

Name: 2,3-Difluorobenzaldehyde
Brand: ChemScene
Availability: InStock
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CAS No. 2646-91-5
Cat. No. CS-W001272
Purity≥95%
MDL No.MFCD00010292

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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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General Information

CAS No. 2646-91-5
Cat. No. CS-W001272
Purity ≥95%
MDL No. MFCD00010292
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₄F₂O
Molecular Weight 142.10
Synonym(s) 2,3-Difluorbenzolcarbaldehyd
SMILES O=CC1=CC=CC(F)=C1F

Description

2,3-Difluorobenzaldehyde features a fluorinated aromatic ring with adjacent electron-withdrawing substituents, enhancing its reactivity in nucleophilic addition and transition-metal-catalyzed coupling reactions. This bench-stable aldehyde integrates readily into complex molecular architectures, particularly in medicinal chemistry and agrochemical synthesis.

Application

2,3-Difluorobenzaldehyde serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling efficient access to fluorinated aromatic scaffolds. Its ortho-difluoro substitution pattern enhances metabolic stability and modulates electronic properties, while the aldehyde functionality facilitates diverse transformations including reductive amination, Wittig reactions, and nucleophilic addition. Bench-stable and readily purified by distillation or column chromatography, it functions reliably in standard synthetic workflows.

Safety Information

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GHS Pictogram :	GHS No : GHS02,GHS07
Signal Word : Danger	UN#: 1989
Class : 3	Packing Group : Ⅲ
Hazard Statements : H226-H315-H319-H335
Precautionary Statements : P210-P233-P240-P241-P242-P243-P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P370+P378-P405-P501

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Computational Chemistry Data

TPSA 17.07
LogP 1.7773
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Aldehyde

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

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2,3-Difluorobenzaldehyde

CAS No. 2646-91-5

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