Description

3,5-Bis-Chloromethyl-4-Methyl-Benzoic Acid is a versatile and high-purity aromatic building block with two reactive chloromethyl groups. This compound is critical for the synthesis of complex organic molecules, particularly in the development of advanced pharmaceuticals and specialty polymers. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds with complex aromatic backbones.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Serves as a cross-linking agent or monomer for producing specialty polymers, epoxy resins, and coatings with enhanced properties.
• Ligand & Chelating Agent Precursor: The functional groups allow for the creation of complex ligands used in catalysis and metal ion sequestration.
• Organic Synthesis Building Block: Employed in research and development for constructing complex molecular architectures via nucleophilic substitution reactions.
• Dye & Pigment Intermediate: Acts as a starting material for synthesizing specialized colorants and optical brighteners.

Basic Information

Product Name	3,5-Bis-Chloromethyl-4-Methyl-Benzoic Acid
CAS No.	37908-90-0
Molecular Formula	C11H12Cl2O2
Molecular Weight	247.12 g/mol
Synonyms	4-Methyl-3,5-bis(chloromethyl)benzoic Acid; Benzoic acid, 3,5-bis(chloromethyl)-4-methyl-; 3,5-Di(chloromethyl)-4-methylbenzoic Acid; 3,5-Bis(chloromethyl)-p-toluic Acid; 3,5-BCMTBA; 3,5-BCMBA; 4-Methyl-3,5-di(chloromethyl)benzoic Acid
EINECS	Contact for details

Quality Control

Our 3,5-Bis-Chloromethyl-4-Methyl-Benzoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing all specifications are provided with each shipment.

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 heat, open flames, and incompatible materials such as strong bases and oxidizing agents.

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.