Description

3-Butene-1,2-Diol is a versatile four-carbon unsaturated diol, a valuable bifunctional building block in organic synthesis. Its unique structure, featuring both a hydroxyl group and a terminal double bond, makes it a critical intermediate for creating polymers, specialty chemicals, and fine pharmaceuticals. This compound is essential for R&D chemists and production engineers in the pharmaceutical, agrochemical, and polymer industries seeking to introduce hydroxyl functionality and unsaturation into their molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon for the synthesis of various active pharmaceutical ingredients (APIs) and fine chemicals.
• Polymer Chemistry: Acts as a monomer or co-monomer in the production of specialty polyesters, polyurethanes, and resins, imparting flexibility and cross-linking sites.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators.
• Cross-linking Agent: Utilized in coatings, adhesives, and sealants to enhance durability and chemical resistance.
• Chemical Research: A fundamental reagent in organic synthesis for Diels-Alder reactions, Michael additions, and other C-C bond forming transformations.
• Surface Active Agents: Can be derivatized to produce non-ionic surfactants and emulsifiers.

Basic Information

Product Name	3-Butene-1,2-Diol
CAS No.	497-06-3
Molecular Formula	C4H8O2
Molecular Weight	88.11 g/mol
Synonyms	1,2-Dihydroxy-3-butene; 3-Butene-1,2-diol; (2-Hydroxyethenyl)methanol; But-3-ene-1,2-diol; 3-Butene-1,2-diol (mixture of isomers); 1,2-Butenediol
EINECS	207-838-8

Quality Control

Our 3-Butene-1,2-Diol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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 strong oxidizing agents, acids, and bases. For long-term storage, consider under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.040 - 1.080
Refractive Index (20°C)	1.450 - 1.470

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