Description

1,3-Butanediol Dimethacrylate is a high-purity difunctional methacrylate monomer characterized by its two reactive methacrylate groups. This compound is a crucial building block in polymer chemistry, valued for its ability to form highly cross-linked networks that impart durability, chemical resistance, and hardness to final materials. It is essential for manufacturers in the coatings, adhesives, and advanced polymer industries seeking to enhance product performance.

Application

• Cross-linking Agent for Coatings & Inks: Imparts superior scratch resistance, hardness, and chemical durability to UV-curable and radiation-curable coatings, printing inks, and overprint varnishes.
• Dental & Biomedical Polymers: Used as a key monomer in dental composite resins, restorative materials, and bone cements due to its biocompatibility and ability to create strong, stable polymer matrices.
• Adhesive & Sealant Formulations: Enhances the cohesive strength, thermal stability, and environmental resistance of structural adhesives, anaerobic adhesives, and specialty sealants.
• Fiber Optic Coatings: Serves as a primary component in coatings for optical fibers, providing essential protection and signal integrity.
• Acrylic Sheet & Casting Resins: Acts as a cross-linker in the production of cast acrylic sheets (PMMA) and casting resins, improving impact resistance and surface hardness.
• Photoresists & Electronic Materials: Utilized in the formulation of photoresists for semiconductor manufacturing and other electronic encapsulants.

Basic Information

Item	Detail
Product Name	1,3-Butanediol Dimethacrylate
CAS No.	1189-08-8
Molecular Formula	C12H18O4
Molecular Weight	226.27 g/mol
Synonyms	1,3-Butylene Glycol Dimethacrylate; BDMA; 1,3-BGDMA; Butane-1,3-diyl bis(2-methylacrylate); 2-Propenoic acid, 2-methyl-, 1,3-butanediyl ester; Methacrylic acid, 1,3-butanediol diester; SR 297
EINECS	214-712-2

Quality Control

Our 1,3-Butanediol Dimethacrylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by GC/HPLC, identity confirmation (IR), and quantification of key impurities like inhibitor content and water. We provide comprehensive Certificates of Analysis (COA) with every shipment to ensure traceability and compliance with your technical specifications and relevant industry standards.

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 easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) when in partially used containers to maintain purity and prevent premature polymerization. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0 %
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1 %
Inhibitor (MEHQ) Content	100 - 200 ppm
Acid Value	≤ 0.5 mg KOH/g
Refractive Index (n20D)	1.452 - 1.456
Density (20°C)	1.02 - 1.04 g/cm³

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