Description

3,4-Dimethoxybenzoic Acid CAS NO 19930-70-2 is a versatile aromatic carboxylic acid derivative, valued for its role as a key synthetic intermediate in advanced organic chemistry. Its dimethoxy-substituted benzoic acid structure makes it a crucial building block for the synthesis of more complex molecules. This compound is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers seeking high-purity intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting the central nervous system.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a building block for organic electronic materials due to its aromatic core and functional groups.
• Dye & Pigment Manufacturing: Employed in the synthesis of specialized colorants and photographic chemicals.
• Flavor & Fragrance Industry: Acts as an intermediate for creating complex aromatic compounds.
• Academic & Industrial Research: A valuable reagent in organic synthesis for method development and novel compound creation.
• Polymer Chemistry: Can be used to modify polymers or as a monomer for specialty polyesters and polyamides.

Basic Information

Product Name	3,4-Dimethoxybenzoic Acid
CAS No.	19930-70-2
Molecular Formula	C9H10O4
Molecular Weight	182.17 g/mol
Synonyms	Veratric Acid; 3,4-Dimethoxybenzenecarboxylic Acid; 4-Carboxyveratrole; 3,4-Dimethoxybenzene-1-carboxylic Acid; 4,5-Dimethoxybenzoic Acid; NSC 404080; Benzoic acid, 3,4-dimethoxy-
EINECS	243-387-1

Quality Control

Our 3,4-Dimethoxybenzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	179°C - 183°C
Loss on Drying	≤1.0%
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.