(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea is an organic chemical compound with the molecular formula C7H6Cl2N4S and CAS number 5836-73-7. This substance belongs to the thiourea derivative family, featuring a dichlorophenyl group attached to a hydrazinylidene-thiourea structure. With a molecular weight of 249.12 g/mol, it is classified as highly toxic (Acute Tox. 2) and requires careful handling under appropriate safety protocols.

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea is a solid organic compound at room temperature with a molecular weight of 249.12 g/mol. The compound contains chlorine atoms and sulfur, which typically influence its physical characteristics such as melting point and solubility. As a thiourea derivative with dichlorophenyl substitution, it likely exhibits limited water solubility but may be soluble in organic solvents. Specific physical properties should be confirmed through technical documentation.

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea is primarily used as a chemical intermediate in pharmaceutical and agrochemical synthesis. This compound serves as a building block for developing more complex molecules in research and development applications. Its thiourea structure makes it valuable for medicinal chemistry projects and as a precursor in the synthesis of heterocyclic compounds. Due to its high toxicity classification, its use is restricted to professional and industrial applications with appropriate safety measures.

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea must be handled with extreme caution due to its Acute Toxicity Category 2 classification. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in a well-ventilated area or under a fume hood to prevent inhalation. Avoid skin and eye contact, and never eat, drink, or smoke while handling this substance. Emergency procedures and safety data sheets should be readily available.

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea should be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers tightly closed and properly labeled with hazard information. Storage areas must be equipped with appropriate spill containment measures and restricted to authorized personnel only. Due to its high toxicity classification, implement secure storage protocols and maintain an inventory log. Avoid storage near food, beverages, or areas accessible to unauthorized individuals.

In case of skin contact with (E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with clean water for 15 minutes while holding eyelids open. If inhaled, move to fresh air immediately. If swallowed, do not induce vomiting and seek immediate medical attention. Due to its high toxicity, contact emergency services and provide the safety data sheet to medical personnel.

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea must be disposed of as hazardous waste through authorized waste management companies in accordance with local and European regulations. Due to its high toxicity classification, it cannot be disposed of in regular waste streams or sewage systems. Contact certified hazardous waste disposal services and provide complete identification and hazard information. Maintain disposal records for regulatory compliance and ensure proper packaging and labeling during waste collection.

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea is classified under ADR Class 6.1 (Toxic substances) Packing Group I, indicating high toxicity requiring strict transport regulations. Shipments must use approved packaging, proper labeling with GHS06 pictogram, and appropriate transport documentation. Only certified carriers experienced in handling Class 6.1 substances should transport this material. Emergency response information must accompany shipments, and transport vehicles require appropriate placarding and safety equipment according to ADR requirements.

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea is subject to European REACH regulation requiring registration and safety assessment. Under CLP regulation, it must be classified and labeled according to its hazard profile with appropriate signal words and pictograms. The substance is not currently listed as SVHC (Substance of Very High Concern), but its Acute Toxicity 2 classification subjects it to strict handling, storage, and transport requirements. Users must comply with occupational health regulations and maintain safety documentation.

(E)-[(3,4-dichlorophenyl)hydrazinylidene]thiourea is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this substance to qualified industrial and research customers with appropriate safety documentation and regulatory compliance support. As a controlled substance due to its high toxicity, purchase requires verification of intended use and proper handling capabilities. Contact OYSI directly for availability, technical specifications, and safety data sheets to ensure compliance with European chemical regulations.