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Here’s a general product overview for the compound with CAS number **769-42-6** (based on available data):

**Product Name:** 2,4,5-Trichlorophenol  

**CAS Number:** 769-42-6  

**Molecular Formula:** C₆H₃Cl₃O  

**Molecular Weight:** 197.45 g/mol  

**Description:**  

2,4,5-Trichlorophenol is an organic chlorinated phenolic compound, appearing as a white to light brown crystalline solid with a distinct phenolic odor. It is sparingly soluble in water but readily dissolves in organic solvents like ethanol, ether, and benzene.  

**Applications:**  

Historically, this compound was used as an intermediate in the synthesis of herbicides (e.g., 2,4,5-T) and wood preservatives. It also served as a fungicide and antiseptic. However, due to its toxicity and environmental persistence, its commercial use has significantly declined. It is now primarily studied in environmental science as a pollutant or in laboratory research.  

**Safety & Regulatory Notes:**  

2,4,5-Trichlorophenol is classified as hazardous, with potential health risks including skin/eye irritation, respiratory issues, and long-term ecological harm. It is regulated under international frameworks (e.g., Stockholm Convention) due to its association with dioxin contamination. Proper handling, PPE, and disposal protocols are essential.  

**Storage:**  

Store in a cool, dry, well-ventilated area away from oxidizing agents and strong bases.  

*Note:* Verify specific regulatory and safety guidelines for your region before use.  

*(Data sourced from chemical databases and regulatory publications.)*