Overview
2,6-Dimethyl-2-octanol is a branched-chain tertiary alcohol with a molecular formula of C10H22O. It falls under the category of higher alcohols and is characterized by its mild, floral odor. The compound is primarily synthesized through hydroformylation or Grignard reactions in industrial settings. As a specialty chemical, it finds niche applications in fragrance formulation and specialty solvents. Its tertiary alcohol structure makes it less reactive than primary alcohols, contributing to its stability in various formulations. The global market for this chemical is relatively small but stable, with key producers located in Europe, North America, and Asia.
Physical and Chemical Properties
This colorless to pale yellow liquid has a density slightly lower than water (0.82-0.83 g/cm³) and a boiling point range of 195-198°C. Its low melting point (-40°C) ensures it remains liquid under most ambient conditions. The compound exhibits limited water solubility but mixes readily with common organic solvents like ethanol, ether, and acetone. The tertiary alcohol group imparts unique chemical behavior—it resists oxidation more effectively than primary or secondary alcohols but can undergo dehydration under acidic conditions. Its vapor pressure is relatively low (0.15 mmHg at 25°C), reducing volatility concerns during handling. The mild odor profile makes it suitable for applications where strong odors are undesirable.
Main Applications
In the fragrance industry, 2,6-dimethyl-2-octanol serves as a modifier and fixative in floral and woody fragrance compositions. Its stability and mild scent profile make it valuable for soaps, detergents, and cosmetic formulations. The compound accounts for approximately 5-10% of some premium fragrance blends. As a solvent, it effectively dissolves various resins and polymers without causing degradation. Industrial applications include use as a reaction medium for certain polymerization processes. Additionally, it functions as a chemical intermediate in synthesizing esters and other derivatives, particularly for specialty lubricant additives where branching improves low-temperature performance.
Safety and Storage
Classified as a flammable liquid (Flash point ~75°C), 2,6-dimethyl-2-octanol requires storage in approved flammable liquid cabinets or rooms. Containers should be grounded during transfer to prevent static discharge. Although not highly toxic, prolonged skin contact may cause irritation—nitrile gloves and protective eyewear are recommended. For bulk storage, stainless steel or polyethylene containers are preferred. The chemical is stable under normal conditions but may form peroxides upon prolonged exposure to air. Shelf life typically exceeds two years when stored properly in nitrogen-purged containers. Spills should be contained with inert absorbents and disposed of as flammable waste according to local regulations.
B2B Procurement Guide
Industrial buyers should specify purity requirements (typically 98% minimum) and request certified analysis reports. Key impurities to monitor include isomers and dehydration byproducts. Procurement contracts should address testing protocols, allowable moisture content (<0.1%), and packaging specifications (usually 200kg steel drums or isotanks for larger quantities). Lead times vary from 2-8 weeks depending on supplier location and inventory levels. Many manufacturers require minimum order quantities of 1 metric ton. For quality assurance, consider suppliers with ISO 9001 certification and request samples for in-house testing before large purchases. Pricing fluctuates with crude oil derivatives markets, so contracts with price adjustment clauses may be advantageous for long-term supply agreements.
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