Description

2,4-Dihydroxybenzoic Acid (CAS NO 89-86-1) is a versatile phenolic acid derivative that serves as a critical building block in organic synthesis and a functional ingredient in various industrial formulations. Its molecular structure, featuring both carboxylic acid and two phenolic hydroxyl groups, provides unique chelating and antioxidant properties. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop advanced intermediates, UV stabilizers, or metal-complexing agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with antioxidant or anti-inflammatory profiles.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its phenolic backbone.
• UV Absorber & Stabilizer: Incorporated into polymers, coatings, and personal care products to protect against photodegradation due to its ability to absorb ultraviolet light.
• Chelating Agent: Effective in sequestering metal ions in industrial processes, water treatment formulations, and as a component in analytical chemistry.
• Dye & Pigment Intermediate: Serves as a starting material for the manufacture of certain azo dyes and complex colorants.
• Food & Cosmetic Antioxidant: Used in research and development of natural antioxidant systems for preservation and shelf-life extension.
• Chemical Research & Development: A valuable reagent in organic synthesis for constructing more complex molecular architectures.

Basic Information

Product Name	2,4-Dihydroxybenzoic Acid
CAS No.	89-86-1
Molecular Formula	C7H6O4
Molecular Weight	154.12 g/mol
Synonyms	β-Resorcylic Acid; 2,4-DHBA; 4-Hydroxysalicylic Acid; 2,4-Dihydroxybenzenecarboxylic Acid; Resorcylic Acid; 1-Hydroxy-4-carboxyresorcinol; 2,4-Dihydroxybenzoate
EINECS	201-946-9

Quality Control

Our 2,4-Dihydroxybenzoic Acid is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR spectroscopy, to ensure it meets precise specifications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production can align with cGMP guidelines for pharmaceutical applications, and we ensure full regulatory compliance for global supply, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of heat. The product may be light-sensitive; prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	218°C - 225°C
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 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.