Description

3-Hydroxy-4,5-dimethoxybenzoic acid is a versatile benzoic acid derivative characterized by its distinct hydroxyl and methoxy substituents. This compound serves as a valuable chemical intermediate and building block in the synthesis of more complex molecules, particularly in pharmaceutical and fine chemical research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with complex phenolic or benzoic acid-based structures.
• Agrochemical Synthesis: Used in the research and development of herbicides, fungicides, and plant growth regulators.
• Fine Chemical Building Block: Employed in organic synthesis for creating dyes, pigments, and advanced materials due to its reactive carboxylic acid and phenolic groups.
• Biochemical Research: Acts as a substrate or inhibitor in enzymatic studies and metabolic pathway research.
• Cosmetic Ingredient Synthesis: Potential intermediate for UV absorbers or antioxidant compounds in cosmetic formulations.
• Academic & Industrial R&D: Serves as a standard or starting material in methodological development and novel compound libraries.

Basic Information

Product Name	3-Hydroxy-4,5-Dimethoxybenzoic Acid
CAS No.	1916-08-1
Molecular Formula	C9H10O5
Molecular Weight	198.17 g/mol
Synonyms	4,5-Dimethoxy-3-hydroxybenzoic acid; Gallic acid 4,5-dimethyl ether; 3-Hydroxy-4,5-dimethoxybenzoic acid; Syringic acid (Note: Syringic acid is typically 4-hydroxy-3,5-dimethoxybenzoic acid, a common isomer); 3-Hydroxyveratric acid; Benzoic acid, 3-hydroxy-4,5-dimethoxy-; 4,5-Dimethoxysalicylic acid
EINECS	217-622-0

Quality Control

Our 3-Hydroxy-4,5-dimethoxybenzoic acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes data from HPLC, IR, and other relevant analytical techniques. Our quality commitment ensures the material is suitable for demanding research and development applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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