3,5-Dichloro-4-hydroxybenzoic acid

CAS 3336-41-2Cl2C6H2(OH)CO2HChemical Synthesis

3,5-Dichloro-4-hydroxybenzoic acid (CAS: 3336-41-2) is a halogenated aromatic carboxylic acid with the molecular formula C7H4Cl2O3 and a molecular weight of 207.01 g/mol. This compound serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and development, particularly in the synthesis of more complex organic molecules and intermediates.

Synonyms: Cl2C6H2(OH)CO2H

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3,5-Dichloro-4-hydroxybenzoic acid (Cl2C6H2(OH)CO2H) — chemical structure, CAS 3336-41-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksCarbonyl CompoundsCarboxylic AcidsChemical Synthesis

01 /Applications

Organic Synthesis Intermediate

3,5-Dichloro-4-hydroxybenzoic acid is employed as a precursor and intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations.

Research and Development

This chemical finds application in academic and industrial research laboratories for exploring new synthetic routes and developing novel materials.

Building Block for Specialty Chemicals

It serves as a foundational component in the construction of more complex molecules, contributing to the development of specialty chemicals.

02 /Properties

Molecular weight	207.01
Linear formula	Cl2C6H2(OH)CO2H
Assay	97%
Melting point	264-266 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-37/39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

3336-41-2

MDL number

MFCD00002550

PubChem substance

24894025

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3,5-Dichloro-4-hydroxybenzoic acid used for?

3,5-Dichloro-4-hydroxybenzoic acid is primarily used as a building block and intermediate in organic synthesis and for research and development purposes.

What is the CAS number and molecular formula for 3,5-Dichloro-4-hydroxybenzoic acid?

The CAS number is 3336-41-2 and the molecular formula is C7H4Cl2O3 (or Cl2C6H2(OH)CO2H).

What grade and purity does Tech Serve Solutions supply for 3,5-Dichloro-4-hydroxybenzoic acid?

Tech Serve Solutions supplies 3,5-Dichloro-4-hydroxybenzoic acid with an assay of 97%. This is a technical grade material and is not represented as USP, BP, or EP grade.

How should 3,5-Dichloro-4-hydroxybenzoic acid be handled safely?

Handle with appropriate personal protective equipment including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure adequate ventilation to avoid inhalation of dust. It is classified as an irritant to the skin, eyes, and respiratory tract (H315, H319, H335).

How is 3,5-Dichloro-4-hydroxybenzoic acid packed and shipped by TSS?

Tech Serve Solutions packs and exports chemicals in compliance with international shipping regulations. Specific packaging details can be provided upon request.