Description

2-Butene-1,4-Diol is a versatile, unsaturated diol monomer with significant industrial utility. Its bifunctional nature, featuring both hydroxyl groups and a reactive carbon-carbon double bond, makes it a valuable intermediate for polymerization and organic synthesis. This compound is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical sectors seeking to create cross-linked networks, specialty polyesters, or functionalized derivatives. Its reactivity profile allows for the development of materials with tailored properties.

Application

• Polymer & Resin Intermediate: Serves as a key monomer for producing unsaturated polyester resins (UPRs) and alkyd resins, contributing to cross-linking and final material properties.
• Chemical Synthesis Building Block: Used in organic synthesis to create pharmaceuticals, agrochemicals, and fine chemicals through reactions like esterification, etherification, and Michael additions.
• Cross-linking Agent: Functions as an effective cross-linker in coatings, adhesives, and elastomers to enhance durability, chemical resistance, and thermal stability.
• UV-Curable Formulations: Incorporated into oligomers and prepolymers for UV-curable inks, coatings, and 3D printing resins due to its polymerizable double bond.
• Corrosion Inhibitor Precursor: Utilized in the synthesis of compounds that protect metals in industrial cooling systems and processing fluids.
• Plasticizer & Modifier: Acts as a modifier or co-monomer to improve the flexibility and processing characteristics of various polymeric materials.

Basic Information

Item	Detail
Product Name	2-Butene-1,4-Diol
CAS No.	6117-80-2
Molecular Formula	C4H8O2
Molecular Weight	88.11 g/mol
Synonyms	2-Butene-1,4-diol; (E)-2-Butene-1,4-diol; trans-2-Butene-1,4-diol; 1,4-Dihydroxy-2-butene; But-2-ene-1,4-diol; 2-Butenediol; HOCH2CH=CHCH2OH
EINECS	228-086-5

Quality Control

Our 2-Butene-1,4-Diol is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are provided and available upon request, guaranteeing traceability and consistency for your critical processes.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.070 - 1.090
Refractive Index (20°C)	1.475 - 1.485

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