Description

3,4-Dichlorophenol CAS NO 95-77-2 is a versatile chlorinated phenolic compound that serves as a critical intermediate in the synthesis of advanced chemicals. Its value lies in its reactive phenolic hydroxyl group and chlorine substituents, which make it a key building block for agrochemicals and pharmaceuticals. This product is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking reliable, high-purity raw materials for their synthesis processes.

Application

3,4-Dichlorophenol is a fundamental organic intermediate with diverse industrial applications, primarily valued for its role in chemical synthesis.

• Agrochemical Synthesis: A key precursor in the manufacture of herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and other medicinal compounds.
• Dye and Pigment Manufacturing: Serves as a building block for certain chlorinated dyes and organic pigments.
• Polymer Industry: Can be utilized as a monomer or additive in the production of specialty polymers and resins.
• Research & Development: Employed in organic chemistry research and process development within fine chemical laboratories.
• Disinfectant Formulations: Acts as an intermediate in the production of certain chlorinated phenolic disinfectants.

Basic Information

Product Name	3,4-Dichlorophenol
CAS No.	95-77-2
Molecular Formula	C6H4Cl2O
Molecular Weight	163.00 g/mol
Synonyms	3,4-DCP; 1-Hydroxy-3,4-dichlorobenzene; 3,4-Dichloro-1-hydroxybenzene; Phenol, 3,4-dichloro-; 4,5-Dichlorophenol (incorrect but common isomer reference); Dichlorophenol; NSC 3691; RCRA waste number U-081
EINECS	202-448-5

Quality Control

Our 3,4-Dichlorophenol is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, melting point, and specific impurity levels. Our quality commitment ensures consistent performance and reliable supply for your critical synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flame. Due to its light-sensitive and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep container tightly sealed when not in use to minimize exposure to air and moisture. Observe all local regulations for hazardous material storage.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	66°C - 68°C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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