3-(3,4-dichlorophenyl)-1,1-dimethylurea

3-(3,4-dichlorophenyl)-1,1-dimethylurea is an organochlorine compound classified as a substituted urea derivative with the molecular formula C9H10Cl2N2O. This chemical substance has a molecular weight of 233.09 g/mol and is identified by CAS number 330-54-1. It belongs to the phenyl urea chemical family and contains two chlorine atoms on the benzene ring, making it a dichlorophenyl compound with significant biological activity.

3-(3,4-dichlorophenyl)-1,1-dimethylurea is typically a white to off-white crystalline solid at room temperature with low water solubility. The compound has a molecular weight of 233.09 g/mol and contains two chlorine substituents that influence its physical properties. It shows better solubility in organic solvents compared to water. The presence of the urea functional group and dichlorophenyl moiety affects its stability and reactivity under various conditions.

3-(3,4-dichlorophenyl)-1,1-dimethylurea is primarily used as a herbicide in agricultural applications for weed control. This compound acts as a photosynthesis inhibitor, effectively controlling broadleaf weeds and grasses in various crops. It may also serve as an intermediate in chemical synthesis processes and research applications. Industrial uses include formulation into herbicidal products and as a reference standard in analytical chemistry laboratories.

3-(3,4-dichlorophenyl)-1,1-dimethylurea requires careful handling due to its carcinogenic classification (Carc. 1B) and potential for repeated exposure toxicity (STOT RE 2). Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection when handling powder forms. Work in well-ventilated areas or use local exhaust ventilation. Avoid skin contact, inhalation, and ingestion. Wash hands thoroughly after handling and follow strict hygiene protocols.

3-(3,4-dichlorophenyl)-1,1-dimethylurea should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly sealed to prevent moisture absorption and contamination. Store separately from food, feed, and incompatible materials including strong oxidizers. Ensure storage areas have appropriate fire protection and secondary containment. Maintain storage temperature below 25°C and protect from freezing conditions that could affect product integrity.

Immediate action is required upon contact with 3-(3,4-dichlorophenyl)-1,1-dimethylurea due to its hazardous classification. For skin contact, remove contaminated clothing and wash affected area with soap and water for at least 15 minutes. If inhaled, move to fresh air immediately. For eye contact, flush with clean water for 15 minutes. If ingested, do not induce vomiting and seek immediate medical attention. Always consult a physician and provide the safety data sheet.

3-(3,4-dichlorophenyl)-1,1-dimethylurea must be disposed of as hazardous waste due to its environmental toxicity classification (Aquatic Acute 1, Aquatic Chronic 1) and carcinogenic properties. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Never discharge into drains, waterways, or soil. Empty containers should also be treated as hazardous waste. Follow all local, national, and EU regulations including the Waste Framework Directive for proper disposal procedures.

3-(3,4-dichlorophenyl)-1,1-dimethylurea is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation purposes. This classification requires appropriate packaging, labeling, and documentation according to ADR regulations. Use UN-approved packaging and ensure proper hazard labels are displayed. Transport vehicles must comply with ADR requirements including equipment and driver training. Shipping papers must include proper shipping names and hazard information.

3-(3,4-dichlorophenyl)-1,1-dimethylurea is subject to comprehensive EU chemical regulations including REACH registration requirements and CLP classification as Carc. 1B, STOT RE 2, and environmental hazard categories. Although not currently listed as a Substance of Very High Concern (SVHC), its carcinogenic classification triggers strict handling and use restrictions. Users must comply with occupational exposure limits, environmental protection measures, and may require authorization for certain uses under REACH.

3-(3,4-dichlorophenyl)-1,1-dimethylurea is available through OYSI, a specialized European distributor of chemical products. OYSI provides this compound to qualified industrial and research customers across Europe, ensuring full regulatory compliance and proper documentation. As a professional chemical distributor, OYSI maintains appropriate handling, storage, and transportation standards for hazardous substances. Contact OYSI directly for availability, technical specifications, and regulatory support for your specific application requirements.