2-Heptanol
2-Heptanol: A Comprehensive Guide
2-Heptanol, also known as 2-hydroxyheptane, is a seven-carbon secondary alcohol widely used in industrial applications. This colorless liquid with a characteristic alcoholic odor serves as an important intermediate in chemical synthesis and as a solvent in various manufacturing processes.
Product Specifications
- Chemical Formula: C7H16O
- Molecular Weight: 116.20 g/mol
- Appearance: Colorless liquid
- Odor: Characteristic alcoholic
- Boiling Point: 160-162°C
- Melting Point: -38°C
- Density: 0.818 g/cm³ at 20°C
- Solubility: Slightly soluble in water, miscible with most organic solvents
Technical Parameters
| Parameter | Specification | Test Method |
|---|---|---|
| Purity | ≥98% | GC Analysis |
| Water Content | ≤0.5% | Karl Fischer |
| Acidity (as acetic acid) | ≤0.1% | Titration |
| Refractive Index (20°C) | 1.423-1.425 | Refractometer |
| Flash Point | 62°C | Closed Cup |
Applications of 2-Heptanol
2-Heptanol finds applications in numerous industries:
- Chemical Synthesis: As an intermediate for producing esters, plasticizers, and surfactants
- Solvent: Used in paints, coatings, and cleaning formulations
- Fragrance Industry: Component in essential oils and perfumes
- Pharmaceuticals: Intermediate in drug synthesis
- Lubricants: Additive in specialty lubricating oils
Safety Information
When handling 2-Heptanol, follow these safety precautions:
- Use proper personal protective equipment (gloves, goggles, protective clothing)
- Ensure adequate ventilation in working areas
- Avoid contact with skin and eyes
- Keep away from heat sources and open flames
- Store in tightly closed containers in a cool, dry place
2-Heptanol FAQ Section
What is the main use of 2-Heptanol in industrial applications?
2-Heptanol primarily serves as an intermediate in chemical synthesis and as a solvent. Its main industrial applications include the production of plasticizers, surfactants, and various esters used in fragrances and flavorings. The compound's solvent properties make it valuable in paint, coating, and cleaning formulations where controlled evaporation rates are required.
How should 2-Heptanol be stored to maintain its quality?
2-Heptanol should be stored in tightly sealed containers made of stainless steel, aluminum, or lined steel drums to prevent contamination and evaporation. The storage area should be cool, well-ventilated, and away from direct sunlight, heat sources, and oxidizing materials. Optimal storage temperature ranges between 15-25°C (59-77°F). Under proper conditions, 2-Heptanol typically has a shelf life of 24 months from the date of manufacture.
What safety precautions are necessary when handling 2-Heptanol?
When handling 2-Heptanol, workers should wear chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Adequate ventilation is essential to avoid inhalation of vapors. In case of spills, absorb with inert material and dispose of properly. The compound is flammable, so all ignition sources must be eliminated in handling areas. Emergency equipment including eye wash stations and safety showers should be accessible in areas where 2-Heptanol is used.
Packaging Options
| Package Type | Capacity | Material |
|---|---|---|
| Drum | 200 kg | Stainless Steel |
| Jerrican | 20 kg | Plastic |
| Bottle | 1 kg | Glass |
Transportation Guidelines
2-Heptanol is classified as a flammable liquid for transportation purposes. Follow these shipping requirements:
- UN Number: UN1993
- Proper Shipping Name: Flammable liquid, n.o.s. (2-Heptanol)
- Packing Group: III
- Hazard Class: 3
- Transport Labels: Flammable Liquid
Environmental Considerations
2-Heptanol should be handled with environmental responsibility:
- Prevent release to soil, waterways, or sewage systems
- Not classified as a marine pollutant
- Readily biodegradable under aerobic conditions
- Low bioaccumulation potential
Regulatory Information
| Region | Regulatory Status |
|---|---|
| United States | Not listed on TSCA Inventory |
| Europe | Registered under REACH |
| Canada | Listed on DSL |
| Japan | Notified under CSCL |