Description

Octadecanedioic Acid, 1-(1,1-Dimethylethyl) 18-(2,5-Dioxo-1-Pyrrolidinyl) Ester is a high-purity, functionalized long-chain diacid derivative designed for advanced polymer synthesis and specialty chemical manufacturing. This compound matters for its role as a reactive intermediate, where its terminal activated ester group enables efficient coupling reactions to create novel polyamides, polyesters, and other performance materials. Industrial R&D and production teams in the polymer additives, pharmaceutical intermediates, and specialty coatings sectors require this chemical for developing products with enhanced thermal stability, mechanical properties, and tailored functionality.

Application

• Polymer Modification: Key monomer for synthesizing novel polyamides and polyesters with long-chain segments, improving flexibility and thermal properties.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of active pharmaceutical ingredients (APIs) and drug delivery conjugates.
• Specialty Coatings & Resins: Used to formulate high-performance coatings, adhesives, and sealants with enhanced durability and chemical resistance.
• Lubricant & Fuel Additives: Intermediate in the production of specialty esters that act as viscosity modifiers and anti-wear agents.
• Cross-linking Agent: Functions as a difunctional cross-linker in thermoset resins and elastomers to control network density and properties.
• Surface Modification: Employed to create functionalized surfaces on materials like silica or polymers for specific adhesion or compatibility.
• Research & Development: A valuable tool for academic and industrial chemists exploring new macromolecular architectures and material science.

Basic Information

Product Name	Octadecanedioic Acid, 1-(1,1-Dimethylethyl) 18-(2,5-Dioxo-1-Pyrrolidinyl) Ester
CAS No.	843666-34-2
Molecular Formula	C26H45NO5
Molecular Weight	451.65 g/mol
Synonyms	1-(tert-Butyl) 18-(2,5-dioxopyrrolidin-1-yl) octadecanedioate; Octadecanedioic Acid tert-Butyl N-Succinimidyl Ester; N-Succinimidyl tert-Butyl Octadecanedioate; 1,18-Octadecanedioic Acid 1-tert-Butyl 18-(N-Succinimidyl) Ester; tert-Butyl N-Succinimidyl Octadecanedioate; C18-Diacid tert-Butyl NHS Ester; Long-chain activated diacid ester; 843666-34-2
EINECS	Contact for details

Quality Control

Our Octadecanedioic Acid, 1-(1,1-Dimethylethyl) 18-(2,5-Dioxo-1-Pyrrolidinyl) Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request 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 a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from heat sources and incompatible materials.

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%
Heavy Metals	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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