Overview
Trichlorocarbanilide (TCC) is a synthetic antimicrobial compound belonging to the class of chlorinated phenyl ureas. It was historically used in consumer products like soaps and detergents for its ability to inhibit bacterial growth. Due to environmental and health concerns, its use has been restricted in some regions, but it remains relevant in specific industrial applications. TCC is synthesized through the reaction of 3,4-dichloroaniline with phosgene, followed by chlorination. Its efficacy against gram-positive bacteria made it a popular additive in personal care products until regulatory scrutiny increased. Today, it is primarily used in controlled environments where its antimicrobial properties are essential.
Physical and Chemical Properties
Trichlorocarbanilide appears as a white to off-white crystalline powder with a melting point range of 250-254°C. It is slightly soluble in water but dissolves well in organic solvents such as ethanol, acetone, and dimethyl sulfoxide (DMSO). The compound is stable under normal temperatures and pressures but may decompose upon exposure to strong acids or bases. Its molecular structure features three chlorine atoms attached to a phenyl ring, contributing to its antimicrobial activity. The compound's stability and low volatility make it suitable for incorporation into solid formulations like bar soaps and deodorants.
Main Applications
TCC was widely used as an antimicrobial agent in personal care products, including antibacterial soaps, toothpaste, and cosmetics. Its ability to disrupt bacterial cell membranes made it effective against pathogens like Staphylococcus aureus. However, due to concerns over antibiotic resistance and environmental persistence, its use in consumer products has declined. In industrial settings, TCC is still employed in specialized applications, such as medical disinfectants and preservatives for textiles. Its role in these niches relies on strict regulatory compliance and controlled usage to minimize ecological impact.
Safety and Storage
Handling TCC requires precautions to avoid inhalation or skin contact, as it may cause irritation. Personal protective equipment (PPE), including gloves and masks, is recommended during processing. The compound should be stored in a cool, dry place, sealed in airtight containers to prevent degradation. Environmental regulations in some countries restrict TCC disposal due to its potential bioaccumulation. Waste must be managed in accordance with local hazardous material guidelines. Always consult safety data sheets (SDS) for specific handling and disposal protocols.
B2B Procurement Guide
When procuring TCC, verify supplier credentials and regulatory compliance, particularly for intended use regions (e.g., FDA bans in the U.S.). Request certificates of analysis (CoA) to confirm purity, typically ≥98% for industrial grade. Bulk purchases may reduce costs, but ensure proper storage capacity to maintain stability. Consider alternatives like triclosan or benzalkonium chloride if TCC restrictions apply to your application. For niche uses, work with suppliers specializing in antimicrobial chemicals to ensure consistent quality and technical support.
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