Description

3,5-Dichloro-4-Hydroxybenzoic Acid is a halogenated hydroxybenzoic acid derivative that serves as a versatile and critical synthetic intermediate. Its molecular structure, featuring both phenolic and carboxylic acid functional groups, makes it a valuable building block for the synthesis of more complex organic molecules. This compound is particularly essential for manufacturers in the pharmaceutical and agrochemical sectors seeking to develop active ingredients with specific properties. The CAS number for this product is 3336-41-2.

Application

The unique structure of 3,5-Dichloro-4-Hydroxybenzoic Acid enables its use across several high-value industrial segments. Its primary function is as a key synthetic intermediate or precursor molecule.

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs requiring a halogenated aromatic core.
• Agrochemical Synthesis: Serves as a building block for herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a precursor for specialized dyes and colorants.
• Polymer Additives: Can be utilized to create monomers for specialty polymers or as an additive to modify polymer properties.
• Research & Development: Employed in organic chemistry research for constructing complex molecular architectures in academic and industrial labs.
• Liquid Crystal Materials: Potential use in the synthesis of compounds for electronic displays.

Basic Information

Product Name	3,5-Dichloro-4-Hydroxybenzoic Acid
CAS No.	3336-41-2
Molecular Formula	C7H4Cl2O3
Molecular Weight	207.01 g/mol
Synonyms	4-Hydroxy-3,5-dichlorobenzoic Acid; 3,5-Dichloro-4-hydroxybenzoic acid; Benzoic acid, 3,5-dichloro-4-hydroxy-; 3,5-Dichloro-4-hydroxy-benzoic acid; NSC 403697; 3,5-Dichloro-4-hydroxybenzoic acid (ACI); 3,5-Dichloro-4-hydroxybenzoic acid (VAN)
EINECS	222-065-3

Quality Control

We maintain stringent quality control protocols throughout the manufacturing process to ensure batch-to-batch consistency and high purity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request and can be tailored to meet specific customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 15°C and 25°C. Keep away from strong oxidizing agents, strong bases, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	258°C - 262°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.