Description

1-Bromo-3-Buten-2-Ol is a versatile brominated allylic alcohol intermediate with significant synthetic utility. This compound is valued for its bifunctional reactivity, featuring both a bromine atom and a hydroxyl group on an unsaturated carbon backbone, making it a key building block for constructing more complex molecules. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications in organic synthesis, including nucleophilic substitution and cycloaddition reactions.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring bromo-allylic motifs.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the bromine atom serves as a reactive handle for further functionalization.
• Specialty Polymer Monomer: Acts as a functional monomer for introducing reactive bromine sites into polymer chains, enabling cross-linking or post-polymerization modifications.
• Organic Synthesis Building Block: Employed in various name reactions and coupling chemistry to create complex organic scaffolds for material science and chemical research.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing specialized ligands and organometallic catalysts used in asymmetric synthesis.
• Fine Chemical Production: Integral to the manufacture of flavors, fragrances, and other high-value fine chemicals requiring specific brominated structures.

Basic Information

Product Name	1-Bromo-3-Buten-2-Ol
CAS No.	64341-49-7
Molecular Formula	C4H7BrO
Molecular Weight	151.00 g/mol
Synonyms	3-Buten-2-ol, 1-bromo-; 1-Bromo-3-buten-2-ol; 1-Bromo-but-3-en-2-ol; 2-Bromo-1-hydroxy-3-butene; Allyl bromomethyl carbinol; Bromoallyl alcohol; (1-Bromoallyl)methanol
EINECS	Contact for details

Quality Control

Our 1-Bromo-3-Buten-2-Ol is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Total impurities ≤ 3.0%
Density	~1.5 g/cm³

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