2-Isopropoxyethanol
Overview
2-Isopropoxyethanol is a glycol ether solvent derived from ethylene oxide and isopropanol. It belongs to the family of alkoxy alcohols, known for their balanced solvent properties and low toxicity compared to other industrial solvents. Primarily used in B2B applications, it serves as an intermediate in chemical synthesis and a key component in formulated products. Its ability to dissolve resins, oils, and greases makes it valuable across multiple industries.
Physical and Chemical Properties
This compound exhibits a mild ether-like odor and is fully miscible with water, alcohols, and hydrocarbons. Its evaporation rate is slower than ethanol but faster than butyl glycol ethers, making it suitable for controlled drying applications. The chemical stability of 2-isopropoxyethanol under normal conditions allows for long-term storage without degradation. However, it may form peroxides upon prolonged exposure to air, requiring inhibitors in commercial grades.
Main Applications
In the coatings industry, 2-isopropoxyethanol functions as a coalescing agent for latex paints and a solvent for epoxy resins. Its moderate evaporation rate helps prevent film defects during application. Industrial cleaning formulations utilize its grease-cutting ability in metal degreasers and electronic cleaning solutions. The solvent also appears in inkjet printer inks and textile dyeing processes where controlled solubility is required.
Safety and Storage
As a Category 4 irritant, workplace exposure should be controlled below 50 ppm (8-hour TWA). Chemical-resistant gloves (nitrile or neoprene) and splash goggles are recommended during handling. Storage tanks or drums should be grounded to prevent static discharge. Incompatible with strong oxidizers and acids. Shelf life typically exceeds two years when stored in original sealed containers below 30°C.
B2B Procurement Guide
Industrial buyers should specify technical grade (≥99% purity) with moisture content below 0.1%. Bulk purchases (200kg drums or ISO tanks) typically offer 15-20% cost savings versus small packaging. Quality certifications to request include REACH compliance documentation and manufacturer's SDS. Asian suppliers dominate production, with shipping lead times of 4-6 weeks for overseas orders. Just-in-time inventory is recommended due to flammability concerns.
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