Description

Polymethane CAS NO 27936-85-2 is a versatile chemical intermediate characterized by its unique polymeric structure. This compound is valued for its role in facilitating specific chemical reactions and as a building block in advanced material synthesis. It is primarily sought after by manufacturers in the polymer, specialty chemical, and research sectors for developing innovative products and processes.

Application

• Polymer Synthesis: Acts as a key monomer or cross-linking agent in the production of specialized polyurethane and other polymeric materials.
• Chemical Intermediate: Serves as a crucial precursor in organic synthesis for pharmaceuticals and agrochemicals.
• Adhesive & Sealant Formulation: Used to enhance the performance and curing properties of industrial adhesives and sealants.
• Coatings & Resins: Incorporated into formulations for high-performance coatings, varnishes, and composite resins.
• Research & Development: Employed in laboratory settings for material science research and the development of novel chemical entities.
• Elastomer Production: Utilized in the manufacture of specialized elastomers requiring specific mechanical and chemical resistance properties.

Basic Information

Product Name	Polymethane
CAS No.	27936-85-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(methylene) isocyanate; Polymethylene polyisocyanate; PMDI (Polymethylene diphenyl diisocyanate); Methylene diphenyl diisocyanate oligomer; Polymeric MDI; Crude MDI; Polyisocyanate; Isocyanic acid, polymethylene polyphenylene ester
EINECS	Contact for details

Quality Control

Our Polymethane is produced and tested under stringent quality management systems to ensure batch-to-batch consistency and reliability. We adhere to relevant industry standards, and a comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NCO Content)	≥ 30.0 %
Viscosity (25°C)	Contact for details
Specific Gravity (25°C)	Contact for details
Hydrolyzable Chlorine	≤ 0.1 %
Acidity (as HCl)	≤ 0.05 %

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