3-Chloro-4-nitrophenol

Name: 3-Chloro-4-nitrophenol
Brand: ChemScene
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CAS No. 491-11-2
Cat. No. CS-W008663
Purity≥95%
MDL No.MFCD00466090

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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 491-11-2

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Description

3-Chloro-4-nitrophenol features a chlorinated aromatic ring paired with a nitro group in the para position relative to the hydroxyl, delivering enhanced electron-withdrawing character. This combination enables selective reactivity in nucleophilic substitution and coupling reactions. The compound exhibits bench-stable handling properties and integrates readily into synthetic pathways requiring activated aryl intermediates.

Application

3-Chloro-4-nitrophenol serves as a versatile building block in synthetic organic chemistry, enabling the construction of heterocyclic scaffolds and functionalized aryl intermediates. Its ortho-chloro and para-nitro substituents provide complementary reactivity for nucleophilic substitution, coupling reactions, and reduction sequences. The compound exhibits good bench stability and facilitates straightforward purification, making it well-suited for multi-step synthesis in medicinal chemistry and agrochemical development.

General Information

CAS No. 491-11-2
Cat. No. CS-W008663
Purity ≥95%
MDL No. MFCD00466090
Storage RT, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₄ClNO₃
Molecular Weight 173.55
Synonym(s) 2-Chloro-4-hydroxynitrobenzene; phenol, 3-chloro-4-nitro-
SMILES OC1=CC=C([N+]([O-])=O)C(Cl)=C1

Computational Chemistry Data

TPSA 63.37
LogP 1.9538
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 1

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS05,GHS07,GHS09
Signal Word : Danger	UN#: 3077
Class : 9	Packing Group : Ⅲ
Hazard Statements : H302-H315-H317-H318-H410
Precautionary Statements : P261-P264-P270-P272-P273-P280-P302+P352-P330-P362+P364-P391-P501

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Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Nitro compounds

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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3-Chloro-4-nitrophenol

CAS No. 491-11-2

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