Description

3-Methylenepentane-1,5-Diol is a versatile bifunctional organic compound featuring both hydroxyl and alkene groups, making it a valuable building block in advanced chemical synthesis. This unique structure provides reactivity at two distinct sites, enabling its use as a key intermediate for creating polymers, specialty resins, and fine chemicals. It is particularly sought after by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and polymer sectors for developing novel materials and active ingredients.

Application

• Polymer & Resin Intermediate: Serves as a monomer or cross-linking agent in the production of specialty polyesters, polyurethanes, and acrylic resins.
• Pharmaceutical Synthesis: Used as a key chiral building block or spacer in the research and development of new active pharmaceutical ingredients (APIs).
• Agrochemical Formulations: Acts as an intermediate in the synthesis of advanced pesticides, herbicides, and plant growth regulators.
• Coatings & Adhesives: Incorporated into formulations to modify flexibility, adhesion, and curing properties of industrial coatings and adhesives.
• Fine Chemical Production: Utilized in multi-step organic synthesis to construct complex molecular architectures for flavors, fragrances, and electronic chemicals.
• Crosslinking Agent: Enhances thermal and mechanical properties in thermoset plastics and elastomers through its dual functional groups.

Basic Information

Product Name	3-Methylenepentane-1,5-Diol
CAS No.	40760-35-8
Molecular Formula	C6H12O2
Molecular Weight	116.16 g/mol
Synonyms	1,5-Pentanediol, 3-methylene-; 3-Methylene-1,5-pentanediol; 3-Methylenepentane-1,5-diol; 3-Methylenepentamethylenediol; 1,5-Dihydroxy-3-methylenepentane; 3-Methylene-1,5-dihydroxypentane; Pentane-1,5-diol, 3-methylene-
EINECS	Contact for details

Quality Control

Our 3-Methylenepentane-1,5-Diol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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, acids, and bases. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.465 - 1.475
Specific Gravity (20°C)	1.010 - 1.030

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