Description

Methylbromochloroacetate CAS NO 20428-74-4 is a versatile halogenated ester building block used in advanced organic synthesis. Its value lies in its bifunctional reactivity, offering distinct sites for nucleophilic substitution and ester transformations. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries seeking to construct complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing halogenated or ester-linked functional groups.
• Agrochemical Synthesis: Building block for creating herbicides, fungicides, and insecticides where the bromo and chloro substituents impart specific biological activity.
• Chemical Research & Development: Used in exploratory chemistry for developing new synthetic methodologies and creating novel heterocyclic compounds.
• Polymer Modification: Serves as a functional monomer or cross-linking agent in the production of specialty polymers with tailored properties.
• Ligand and Catalyst Preparation: Intermediate in the synthesis of complex ligands for metal-catalyzed reactions.
• Dyestuff and Pigment Manufacturing: Used in the synthesis of specialized colorants and photoactive materials.

Basic Information

Product Name	Methylbromochloroacetate
CAS No.	20428-74-4
Molecular Formula	C3H4BrClO2
Molecular Weight	187.42 g/mol
Synonyms	Methyl bromochloroacetate; Bromochloromethyl acetate; Methyl α-bromo-α-chloroacetate; Acetic acid, bromochloro-, methyl ester; Methyl ester of bromochloroacetic acid; 2-Bromo-2-chloroacetic acid methyl ester; Bromochloroacetic acid methyl ester; Methyl 2-bromo-2-chloroacetate
EINECS	243-817-4

Quality Control

Our Methylbromochloroacetate is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

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 2°C and 25°C. Keep container tightly sealed when not in use to prevent moisture ingress and volatilization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	1.70 - 1.75 g/mL
Refractive Index (n20D)	1.470 - 1.480

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