Description

N,N'-Bis(2-Hydroxyethyl)Terephthaldiamide is a high-purity specialty chemical intermediate derived from terephthalic acid. This compound matters for its role as a versatile building block in polymer synthesis, offering enhanced thermal stability and compatibility. It is primarily needed by manufacturers in the polymer, coatings, and specialty chemical industries seeking to develop high-performance materials.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyamides, polyesters, and polyurethanes.
• Crosslinking Agent: Used in thermosetting resin systems for coatings, adhesives, and composites to improve mechanical properties.
• Plastic Additive: Functions as a chain extender or modifier to enhance the thermal stability and processing characteristics of engineering plastics.
• Specialty Intermediates: Serves as a precursor for synthesizing more complex molecules used in pharmaceuticals, agrochemicals, and dyes.
• Textile Finishing: Employed in the production of fibers and fabrics to impart durable-press or flame-retardant properties.
• Adhesive Formulations: Contributes to the performance of high-strength industrial and structural adhesives.

Basic Information

Product Name	N,N'-Bis(2-Hydroxyethyl)Terephthaldiamide
CAS No.	18928-62-6
Molecular Formula	C₁₂H₁₆N₂O₄
Molecular Weight	252.27 g/mol
Synonyms	N,N'-Di(2-hydroxyethyl)terephthalamide; 1,4-Benzenedicarboxamide, N,N'-bis(2-hydroxyethyl)-; Terephthaldiamide, N,N'-bis(2-hydroxyethyl)-; Bis(2-hydroxyethyl)terephthalamide; BHETD; N,N'-Bis(β-hydroxyethyl)terephthalamide; Ethanol, 2,2'-(1,4-phenylenedicarbonylimino)bis-; Terephthalic acid bis(2-hydroxyethylamide)
EINECS	242-704-9

Quality Control

Our N,N'-Bis(2-Hydroxyethyl)Terephthaldiamide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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 and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	215 - 220 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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