Description

4-Chlorobenzaldehyde is a versatile aromatic aldehyde derivative that serves as a critical building block in advanced organic synthesis. Its value lies in the reactive aldehyde group and the chloro substituent, which enable a wide range of chemical transformations, including condensations, reductions, and nucleophilic substitutions. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to produce intermediates for active ingredients, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including antihistamines, antifungal agents, and other therapeutic compounds.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators, where the chlorobenzyl moiety is a common structural feature.
• Dye and Pigment Production: Serves as a starting material for synthesizing complex organic dyes, pigments, and optical brighteners.
• Organic Synthesis Building Block: Employed in laboratories and pilot plants for reactions like the Grignard reaction, reductive amination, and the preparation of Schiff bases.
• Flavor and Fragrance Ingredient: Used in the controlled synthesis of certain aroma chemicals and fragrance components.
• Polymer and Resin Modifier: Acts as a monomer or cross-linking agent in the production of specialty polymers and epoxy resins.

Basic Information

Product Name	4-Chlorobenzaldehyde
CAS No.	104-88-1
Molecular Formula	C7H5ClO
Molecular Weight	140.57 g/mol
Synonyms	p-Chlorobenzaldehyde; 4-Chlorobenzenecarboxaldehyde; p-Chlorobenzenecarboxaldehyde; 1-Chloro-4-formylbenzene; 4-Chlorophenylmethanal; Benzaldehyde, 4-chloro-; NSC 406908
EINECS	203-247-5

Quality Control

Our 4-Chlorobenzaldehyde is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay (HPLC), identification (IR), and impurity profiling, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and reducing agents. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	46 - 48 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.