Description

D-Mannitol 1,6-Bis(2-Isocyano-3-Methyl-2-Butenoate) is a specialized bifunctional isocyanate derivative of mannitol, serving as a critical building block in advanced polymer synthesis. Its value lies in its ability to introduce reactive isocyanate groups onto a sugar alcohol backbone, enabling the creation of novel polyurethane and polyurea materials with tailored properties. This compound is essential for researchers and manufacturers in the fields of specialty polymers, adhesives, coatings, and biomedical materials who require precise control over cross-linking density and material functionality. The CAS number for this compound is 61241-59-6.

Application

• Cross-linking Agent: A key monomer for synthesizing high-performance, cross-linked polyurethane and polyurea networks with enhanced mechanical strength and chemical resistance.
• Biomedical Polymers: Used in the development of biocompatible and biodegradable polymers for drug delivery systems, tissue engineering scaffolds, and medical device coatings.
• Specialty Adhesives & Sealants: Imparts improved adhesion, flexibility, and durability in high-specification adhesive and sealant formulations.
• Advanced Coatings: Enables the production of tough, wear-resistant, and protective coatings for industrial, automotive, and electronic applications.
• Polymer Modification: Serves as a functional modifier to introduce reactive sites into existing polymer chains, altering their physical and chemical properties.
• Research & Development: A valuable intermediate for academic and industrial R&D focused on novel carbohydrate-based polymers and smart materials.

Basic Information

Item	Detail
Product Name	D-Mannitol 1,6-Bis(2-Isocyano-3-Methyl-2-Butenoate)
CAS No.	61241-59-6
Molecular Formula	C20H26N2O8
Molecular Weight	422.43 g/mol
Synonyms	1,6-Diisocyanato-2,5-di-O-isopropylidene-D-mannitol; 2,5-O-Isopropylidene-D-mannitol 1,6-diisocyanate; D-Mannitol 1,6-diisocyanate acetonide; 1,6-Diisocyanato-2,3:4,5-di-O-isopropylidene-D-mannitol; Mannitol diisocyanate acetonide; Isocyanato-functionalized mannitol derivative; Bifunctional mannitol isocyanate
EINECS	Contact for details

Quality Control

Every batch of D-Mannitol 1,6-Bis(2-Isocyano-3-Methyl-2-Butenoate) undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive polymer chemistry applications. Our quality assurance protocol includes advanced chromatographic and spectroscopic methods to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality management systems.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from heat, sparks, open flames, and incompatible materials like strong bases, acids, and alcohols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Isocyanate Content (Titration)	Contact for details
Water Content (KF)	≤ 0.5%
Solubility	Soluble in common organic solvents (e.g., DMF, THF, acetone)

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