Description

3-Chloro-4-Hydroxybenzaldehyde is a versatile aromatic aldehyde derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both a chloro and a hydroxy substituent, makes it a valuable intermediate for creating complex molecules with specific functionalities. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, where the chloro and hydroxy groups contribute to biological activity.
• Liquid Crystal & OLED Materials: Serves as a core building block for synthesizing advanced organic electronic materials used in displays and lighting.
• Dye & Pigment Manufacturing: Intermediate for producing azo dyes and other complex colorants requiring specific substitution patterns for color fastness and hue.
• Polymer Modification: Employed to introduce functional groups into polymer chains, enhancing properties like adhesion, UV stability, or chemical resistance.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities.

Basic Information

Product Name	3-Chloro-4-Hydroxybenzaldehyde
CAS No.	2420-16-8
Molecular Formula	C7H5ClO2
Molecular Weight	156.57 g/mol
Synonyms	4-Hydroxy-3-chlorobenzaldehyde; 3-Chloro-4-hydroxybenzaldehyde; 3-Chloro-4-formylphenol; 3-Chloro-p-hydroxybenzaldehyde; 3-Chloro-4-hydroxybenzenecarboxaldehyde; 3-Chloro-4-hydroxy-benzaldehyde; 3-Chloro-4-oxidanyl-benzaldehyde
EINECS	219-350-6

Quality Control

Our 3-Chloro-4-Hydroxybenzaldehyde is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat, sparks, and open flame. Isolate from incompatible materials such as strong oxidizing agents, strong bases, and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118°C - 122°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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