Overview
1,7-Heptanediol is a diol compound with a seven-carbon chain and two hydroxyl groups at the terminal positions. It is commonly used in industrial applications due to its versatile chemical properties. The compound is synthesized through various chemical processes, including hydroformylation and hydrogenation of dienes. 1,7-Heptanediol is valued for its ability to act as a building block in polymer synthesis and as a solvent in pharmaceuticals. Its relatively low toxicity and high boiling point make it suitable for a range of industrial uses.
Physical and Chemical Properties
1,7-Heptanediol is a colorless liquid with a density of approximately 0.94 g/cm³. It has a boiling point between 236-238 °C and is soluble in both water and organic solvents. The compound's molecular weight is 132.20 g/mol, and it exhibits good thermal stability. The diol's hydroxyl groups make it reactive in polymerization reactions, contributing to its utility in creating polyesters and polyurethanes. Its solubility properties also make it an effective solvent for various organic compounds.
Main Applications
1,7-Heptanediol is primarily used in polymer synthesis, where it serves as a monomer for producing polyesters and polyurethanes. These polymers are utilized in coatings, adhesives, and elastomers. The compound's high boiling point and solvent properties make it ideal for pharmaceutical formulations. Additionally, 1,7-Heptanediol is employed in the production of plasticizers and as a intermediate in organic synthesis. Its low toxicity and biodegradability further enhance its suitability for industrial applications.
Safety and Storage
While 1,7-Heptanediol is considered low in toxicity, it is essential to handle it with care. Avoid direct contact with skin and eyes, and ensure use in well-ventilated areas to prevent inhalation of vapors. Proper personal protective equipment (PPE), such as gloves and goggles, is recommended. Storage should be in a cool, dry place away from direct sunlight and incompatible materials. The compound is stable under normal conditions but should be kept in tightly sealed containers to prevent contamination and evaporation.
B2B Procurement Guide
When procuring 1,7-Heptanediol, verify the purity level and supplier certifications to ensure quality. Bulk purchasing can reduce costs, but it's crucial to assess storage capabilities to maintain the compound's integrity. Request material safety data sheets (MSDS) and certificates of analysis (CoA) from suppliers. Consider suppliers with a proven track record in chemical distribution and inquire about custom packaging options if needed. Price ranges typically vary based on purity and order volume, so negotiate terms that align with your budget and requirements.
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