**Exploring the Properties of 1-Octanol CAS#111-87-5**

**Abstract:**
This article delves into the comprehensive properties of 1-Octanol, a chemical compound with the CAS number 111-87-5. By examining its physical, chemical, environmental, toxicological, applications, and safety aspects, we aim to provide a detailed understanding of this organic alcohol. The exploration of these properties will shed light on its significance in various industries and its potential impact on human health and the environment.

1. Introduction to 1-Octanol CAS#111-87-5

1-Octanol, also known as octan-1-ol, is a colorless liquid with a characteristic alcohol odor. It is an organic compound belonging to the alcohol family, characterized by the presence of an -OH group. With the CAS number 111-87-5, 1-Octanol is widely used in the manufacturing of various products, including perfumes, flavorings, and solvents.

2. Physical Properties of 1-Octanol

2.1 Appearance and Odor

1-Octanol is a clear, colorless liquid with a sweet, floral odor. This characteristic scent makes it a popular choice in the fragrance industry. Its physical appearance is similar to that of other alcohols, with a slightly oily consistency.

2.2 Boiling and Melting Points

The boiling point of 1-Octanol is approximately 195°C (383°F), while its melting point is around -17°C (1°F). These properties make it a stable compound at room temperature and suitable for various industrial applications.

2.3 Solubility

1-Octanol is soluble in water to a limited extent, with a solubility of about 0.5 g/100 mL at 20°C. It is more soluble in organic solvents such as ethanol, acetone, and ether, which contributes to its use as a solvent in various chemical processes.

3. Chemical Properties of 1-Octanol

3.1 Reactivity

1-Octanol is relatively stable under normal conditions but can react with strong acids or bases. It can undergo esterification reactions with carboxylic acids, forming esters that are commonly used in perfumery and flavoring applications.

3.2 Functional Groups

The primary functional group in 1-Octanol is the hydroxyl group (-OH), which is responsible for its characteristic properties as an alcohol. This group allows 1-Octanol to participate in various chemical reactions, including dehydration, oxidation, and substitution reactions.

3.3 Decomposition

When exposed to high temperatures or flames, 1-Octanol can decompose, producing toxic gases such as carbon monoxide and formaldehyde. This highlights the importance of proper handling and storage to prevent accidental fires or exposure to high temperatures.

4. Environmental Impact of 1-Octanol

4.1 Ecotoxicity

1-Octanol can be toxic to aquatic life, with acute toxicity to fish and other aquatic organisms. Its potential to bioaccumulate in the environment is relatively low, but it can still have adverse effects on aquatic ecosystems if released in large quantities.

4.2 Biodegradability

1-Octanol is biodegradable under aerobic conditions, which means it can be broken down by microorganisms in the presence of oxygen. This property contributes to its environmental safety, as it can be naturally degraded without causing long-term environmental damage.

4.3 Environmental Regulations

Due to its potential environmental impact, the use and disposal of 1-Octanol are regulated by various environmental agencies. Proper waste management and disposal methods must be followed to minimize its ecological footprint.

5. Toxicological Properties of 1-Octanol

5.1 Human Health Effects

Inhalation of 1-Octanol vapor can cause irritation to the respiratory system, while ingestion can lead to gastrointestinal irritation. Prolonged exposure to high concentrations can result in central nervous system depression. It is important to handle 1-Octanol with care to prevent accidental exposure.

5.2 Acute and Chronic Toxicity

Acute toxicity of 1-Octanol is relatively low, but chronic exposure can lead to more severe health effects, including liver and kidney damage. Occupational exposure to high levels of 1-Octanol should be minimized to prevent long-term health issues.

5.3 Safety Measures

To ensure safety, appropriate personal protective equipment (PPE) such as gloves, goggles, and respiratory protection should be used when handling 1-Octanol. Proper ventilation is also essential to minimize the risk of inhalation exposure.

6. Applications of 1-Octanol

6.1 Perfumery and Flavoring

1-Octanol is widely used in the perfume industry due to its sweet, floral scent. It is also used as a flavoring agent in food and beverages, contributing to the overall taste profile of various products.

6.2 Solvent in Chemical Processes

Its solubility in both water and organic solvents makes 1-Octanol a versatile solvent in chemical processes. It is used in the synthesis of various compounds, including esters, ethers, and alcohols.

6.3 Industrial Uses

1-Octanol finds applications in the manufacturing of plastics, resins, and synthetic rubbers. It is also used as a component in paints, varnishes, and adhesives, contributing to the overall performance of these products.

7. Safety and Handling of 1-Octanol

7.1 Storage

1-Octanol should be stored in a cool, dry, and well-ventilated area, away from sources of ignition. It should be kept in tightly sealed containers to prevent evaporation and contamination.

7.2 Disposal

Proper disposal methods should be followed to minimize environmental impact. 1-Octanol should not be disposed of in sewers or water bodies. It should be collected and disposed of according to local regulations and guidelines.

7.3 First Aid Measures

In case of accidental exposure, appropriate first aid measures should be taken. Inhalation exposure should be treated by moving the affected person to fresh air, while eye or skin contact should be rinsed with plenty of water.

**Conclusion:**
In conclusion, 1-Octanol CAS#111-87-5 is a versatile organic alcohol with a wide range of applications in various industries. Its physical, chemical, environmental, toxicological, and safety properties make it a valuable compound in perfumery, flavoring, and chemical manufacturing. Understanding these properties is crucial for ensuring its safe and responsible use, minimizing its environmental impact, and protecting human health.