Description

3,5-Dihydroxybenzoic Acid is a valuable dihydroxybenzoic acid derivative, serving as a versatile chemical intermediate and building block in advanced synthesis. Its unique substitution pattern makes it a critical precursor for developing pharmaceuticals, agrochemicals, and high-performance polymers. This compound is essential for research and production in the pharmaceutical, fine chemical, and material science industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those with polyphenolic or antioxidant frameworks.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers, resins, and advanced materials with specific thermal or mechanical properties.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and colorants.
• Research & Development: Utilized in academic and industrial R&D for medicinal chemistry, chemical biology, and as a standard for analytical purposes.
• Antioxidant Studies: Employed as a reference compound or precursor in the study of antioxidant mechanisms and the development of nutraceuticals.

Basic Information

Product Name	3,5-Dihydroxybenzoic Acid
CAS No.	19991-00-5
Molecular Formula	C7H6O4
Molecular Weight	154.12 g/mol
Synonyms	5-Carboxyresorcinol; 3,5-Dihydroxybenzoate; Benzoic acid, 3,5-dihydroxy-; Phloroglucinol carboxylic acid; 1,3-Dihydroxy-5-carboxybenzene; α-Resorcylic acid; 3,5-DHBA
EINECS	243-411-4

Quality Control

Our 3,5-Dihydroxybenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. A Certificate of Analysis (COA) detailing specifications such as assay, identity, and impurity profiles is provided with every shipment to guarantee reliable performance in your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere for long-term preservation and to minimize exposure to air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	232°C - 237°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.