Description

3-Bromo-1,2-Propanediol CAS NO 4704-77-2 is a versatile brominated diol intermediate of significant importance in organic synthesis. Its bifunctional structure, featuring both a bromine atom and two hydroxyl groups, makes it a valuable building block for the introduction of bromoalkyl chains and for further functionalization. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring bromoalkyl side chains for biological activity.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the bromine moiety enhances efficacy.
• Polymer Modification: Acts as a monomer or cross-linking agent in the manufacture of specialty polymers, resins, and coatings, imparting flame retardancy or other desired properties.
• Chemical Research: A valuable reagent in organic chemistry laboratories for nucleophilic substitution reactions and the preparation of more complex heterocyclic or aliphatic compounds.
• Surface Active Agents: Can be utilized in the synthesis of brominated surfactants or emulsifiers for specialized formulations.

Basic Information

Product Name	3-Bromo-1,2-Propanediol
CAS No.	4704-77-2
Molecular Formula	C₃H₇BrO₂
Molecular Weight	154.99 g/mol
Synonyms	3-Bromopropane-1,2-diol; 1,2-Propanediol, 3-bromo-; 3-Bromo-1,2-dihydroxypropane; 3-Bromopropylene glycol; NSC 402124; β-Bromohydrin glycerol; 2-Hydroxy-3-bromopropyl alcohol
EINECS	225-183-6

Quality Control

Our 3-Bromo-1,2-Propanediol is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) upon request, which include data from techniques such as HPLC, GC, and NMR to verify specifications. Our commitment is to supply material that meets the exacting standards required for research and industrial synthesis.

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 stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.55 - 1.65
Refractive Index (20°C)	1.48 - 1.50

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