Description

2-Butene-1,4-Diol is a versatile, bifunctional organic compound containing both hydroxyl and alkene groups, making it a valuable intermediate in organic synthesis. This diol is prized for its ability to undergo a wide range of chemical reactions, including polymerization, esterification, and addition, enabling the production of specialty polymers, plasticizers, and fine chemicals. It is a critical raw material for manufacturers in the polymer, agrochemical, and pharmaceutical industries seeking to develop high-performance materials and active ingredients.

Application

• Polymer & Resin Intermediate: Serves as a monomer or chain extender in the production of unsaturated polyester resins (UPR), polyurethanes (PUR), and other specialty polymers.
• Chemical Synthesis Building Block: Used in the manufacture of pharmaceuticals, agrochemicals, and other fine chemicals via reactions such as esterification, etherification, and Michael addition.
• Crosslinking Agent: Functions as a crosslinker in coatings, adhesives, and elastomers to enhance thermal stability and mechanical properties.
• Plasticizer Production: A key precursor in the synthesis of certain plasticizers and stabilizers for PVC and other polymers.
• Corrosion Inhibitor Formulation: Incorporated into formulations for metal treatment and cooling water systems.
• Photoresist & Electronic Chemicals: Used in the synthesis of chemicals for the electronics and semiconductor industries.

Basic Information

Product Name	2-Butene-1,4-Diol
CAS No.	110-64-5
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; Erythritol precursor
EINECS	203-788-7

Quality Control

Our 2-Butene-1,4-Diol is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) detailing results for assay, impurities, and physical parameters are provided and available upon request to support your quality assurance protocols.

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 strong oxidizing agents, acids, and bases. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Trans-isomer Content (GC)	≥ 95.0%
Specific Gravity (20°C)	1.070 - 1.080
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.