Description

Costic Acid CAS NO 3650-43-9 is a high-purity organic acid compound, also known as 2,4,6-Trimethylbenzoic acid, valued for its role as a versatile synthetic intermediate and building block in fine chemical synthesis. Its sterically hindered aromatic structure makes it particularly useful for applications requiring controlled reactivity and specific molecular geometry. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-quality raw materials for complex synthesis.

Application

• Pharmaceutical Intermediates: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other drug molecules.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Ligand and Catalyst Preparation: Acts as a starting material for synthesizing specialized ligands used in metal-catalyzed reactions.
• Polymer Chemistry: Employed as a monomer or modifier in the production of specialty polymers and resins.
• Fine Chemical Manufacturing: A crucial building block for dyes, pigments, flavors, and fragrances.
• Research & Development: Utilized in academic and industrial R&D for method development and novel compound synthesis.

Basic Information

Product Name	Costic Acid
CAS No.	3650-43-9
Molecular Formula	C10H12O2
Molecular Weight	164.20 g/mol
Synonyms	2,4,6-Trimethylbenzoic Acid; Mesitoic Acid; 2,4,6-Trimethylbenzenecarboxylic Acid; TMLA; 2,4,6-TMBA; Acidum Costicum
EINECS	222-887-7

Quality Control

Our Costic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) detailing all test results are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	150°C - 155°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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