Description

1,4-Butanediol Terephthalate is a key monomer and intermediate in polymer synthesis, specifically in the production of high-performance polyesters and copolyesters. Its primary value lies in enabling the creation of materials with enhanced thermal stability, mechanical strength, and chemical resistance for demanding applications. This compound is essential for manufacturers in the plastics, specialty fibers, and advanced resin industries seeking to develop superior polymeric products.

Application

• Primary monomer for Polybutylene Terephthalate (PBT) production, a high-performance engineering thermoplastic.
• Key intermediate in the synthesis of copolyesters and thermoplastic elastomers (TPE) for specialized applications.
• Used in the manufacture of high-strength fibers and films requiring excellent dimensional stability.
• Essential component in hot-melt adhesives and coating resins for superior bonding performance.
• Precursor for liquid crystal polymers (LCPs) and other advanced polymeric materials.
• Employed in polymer modification to improve the thermal and mechanical properties of existing plastics.

Basic Information

Product Name	1,4-Butanediol Terephthalate
CAS No.	29278-69-1
Molecular Formula	C12H14O4
Molecular Weight	222.24 g/mol
Synonyms	1,4-Butylene Terephthalate; Butane-1,4-diyl bis(4-carboxybenzoate); Terephthalic Acid Bis(4-hydroxybutyl) Ester; Bis(4-hydroxybutyl) Terephthalate; BHBT; 4-Carboxy-4'-(4-hydroxybutoxycarbonyl)diphenyl Ether (related structure); Polybutylene Terephthalate Monomer; PBT Monomer
EINECS	Contact for details

Quality Control

Our 1,4-Butanediol Terephthalate is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Quality is verified through analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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, strong acids, and strong bases. The material may be hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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