Description

1,3-Diisocyanopropane is a versatile aliphatic diisocyanate monomer, a key building block in polymer chemistry. Its bifunctional nature makes it essential for creating high-performance polyurethane and polyurea materials with tailored properties. This compound is particularly valuable for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to enhance product durability and chemical resistance.

Application

• Polyurethane Synthesis: A core monomer for producing specialty polyurethane resins, foams, and prepolymers.
• High-Performance Coatings: Used in formulating automotive, industrial, and protective coatings that require excellent weatherability and gloss retention.
• Adhesives & Sealants: Imparts strong bonding strength and flexibility in structural and specialty adhesive formulations.
• Elastomers: Serves as a cross-linking agent in the production of durable elastomeric components for automotive and industrial applications.
• Chemical Intermediate: Utilized in organic synthesis for the preparation of ureas, carbamates, and other nitrogen-containing compounds.
• Research & Development: Employed in academic and industrial R&D for developing novel polymeric materials and studying reaction mechanisms.

Basic Information

Product Name	1,3-Diisocyanopropane
CAS No.	72399-85-0
Molecular Formula	C5H6N2O2
Molecular Weight	126.11 g/mol
Synonyms	Trimethylene Diisocyanate; 1,3-Propylene Diisocyanate; Propane-1,3-diyl diisocyanate; PDI; TMDI; NSC 154192; 1,3-Bis(isocyanato)propane
EINECS	Contact for details

Quality Control

Our 1,3-Diisocyanopropane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay and impurity profile analysis, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every 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 controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation from moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.05%
Hydrolyzable Chloride	≤ 0.01%

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