Overview
Chloral, or trichloroacetaldehyde, is a significant industrial chemical primarily used in the synthesis of other compounds. It is a colorless to pale yellow liquid with a pungent odor. Due to its high reactivity, chloral is often handled in controlled environments to prevent unwanted reactions. Chloral is a key intermediate in the production of pesticides like DDT, pharmaceuticals such as sedatives, and various dyes. Its ability to form stable hydrates makes it versatile in chemical manufacturing processes. Industrial-grade chloral typically has a purity of 95-99%, suitable for most applications.
Physical and Chemical Properties
Chloral exhibits distinct physical and chemical properties that make it valuable in industrial applications. It has a density of 1.51 g/cm³ and boils at 97.8°C, with a melting point of -57.5°C. The compound is highly soluble in water, alcohol, and ether, facilitating its use in various solvents. Chemically, chloral is reactive and forms hydrates easily, which are more stable and less volatile. It reacts with alcohols to form hemiacetals and acetals, and with amines to form imines. These reactions are foundational in synthesizing more complex molecules, making chloral indispensable in organic chemistry.
Main Applications
Chloral's primary use lies in the production of pesticides, where it serves as a precursor for compounds like DDT. Although DDT use is restricted in many countries, chloral remains relevant in other pesticide formulations. In the pharmaceutical industry, chloral is used to manufacture sedatives and hypnotics, such as chloral hydrate. Additionally, it plays a role in dye production, where it helps create vibrant and stable colorants. Its versatility and reactivity ensure its continued importance in chemical synthesis.
Safety and Storage
Chloral is toxic and corrosive, requiring strict safety measures during handling. Workers must use protective gear, including gloves, goggles, and respiratory protection, to avoid exposure. The compound can cause severe skin burns and eye damage. Storage conditions are critical to maintaining chloral's stability. It should be kept in a cool, dry, well-ventilated area, away from heat sources and direct sunlight. Containers must be tightly sealed to prevent moisture absorption and potential reactions with atmospheric water.
B2B Procurement Guide
When procuring chloral, B2B buyers should prioritize suppliers with a proven track record of quality and safety compliance. Verify the CAS number (75-87-6) and purity levels (typically 95-99%) to ensure the product meets your requirements. Consider bulk purchasing to reduce costs, as prices range approximately $1.50-$3.00 per kg. Additionally, assess the supplier's logistics capabilities to ensure safe and timely delivery. Proper documentation, including safety data sheets (SDS), is essential for regulatory compliance.
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