4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate is an organochlorine compound with the molecular formula C11H9Cl2NO2 and CAS number 101-27-9. This chemical belongs to the carbamate family and contains two chlorine atoms in its structure. With a molecular weight of 258.1 g/mol, it is classified as a hazardous substance requiring careful handling due to its acute toxicity, skin sensitization potential, and aquatic toxicity properties.

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate is a solid organochlorine compound at room temperature. The molecule features a carbamate functional group linked to a chlorophenyl ring and a chlorobutynyl chain. Its molecular structure includes an alkyne group, contributing to its chemical reactivity. The presence of chlorine atoms and the carbamate ester linkage influence its solubility characteristics and stability under various environmental conditions.

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate is primarily used as an intermediate in pharmaceutical and agrochemical synthesis. Its carbamate structure makes it valuable in the production of various bioactive compounds. The compound serves as a building block in organic synthesis, particularly in reactions involving the carbamate functional group. Industrial applications may include its use in specialized chemical manufacturing processes requiring specific structural motifs.

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate requires careful handling due to its Acute Tox. 4 and Skin Sens. 1 classifications. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin contact. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid inhalation, ingestion, and direct skin contact. Emergency eyewash stations and safety showers should be readily accessible in work areas.

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents. Storage areas should be equipped with appropriate spill containment measures. Due to its aquatic toxicity classification, prevent release to the environment and ensure proper secondary containment systems are in place.

In case of skin contact with 4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate, 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. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician if symptoms develop.

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate must be disposed of as hazardous waste through licensed waste management companies. Due to its aquatic toxicity classification (Aquatic Acute 1, Aquatic Chronic 1), prevent release to water systems or soil. Disposal should comply with local, national, and EU waste regulations. Incineration at authorized high-temperature facilities may be appropriate for organic waste streams. Empty containers require proper cleaning and disposal according to hazardous materials protocols.

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate is classified as ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III for transportation. This classification requires appropriate UN-approved packaging and proper shipping documentation. Transport vehicles must carry appropriate emergency response information and comply with ADR regulations for Class 9 materials. Packages should be properly labeled with hazard pictograms GHS07 and GHS09, and marked with the correct shipping name and UN number.

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate is subject to REACH registration requirements in Europe and must comply with CLP classification and labeling regulations. The compound carries Warning signal word with specific hazard classifications including Acute Tox. 4, Skin Sens. 1, and aquatic toxicity categories. While not currently listed as an SVHC substance, it requires safety data sheets and proper risk assessments for professional use. Users must comply with occupational exposure limits and environmental protection measures.

4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound to industrial customers, research institutions, and chemical manufacturers across Europe. The company ensures full regulatory compliance including proper documentation, safety data sheets, and transport arrangements according to ADR Class 9 requirements. Contact OYSI directly for availability, technical specifications, and regulatory support for your specific application needs.