4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one is a synthetic organic compound with the molecular formula C19H16O4 and CAS number 81-81-2. This chromen-2-one derivative features a phenylbutyl substituent and has a molecular weight of 308.3 g/mol. It belongs to the coumarin family of compounds and is classified as highly hazardous due to its reproductive toxicity and acute toxicity properties.

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one is a solid organic compound at room temperature with a molecular weight of 308.3 g/mol. As a chromen-2-one derivative, it typically appears as a crystalline solid. The compound contains both hydrophilic hydroxyl and hydrophobic aromatic groups, affecting its solubility characteristics. Specific physical properties like melting point and solubility require consultation of detailed technical data sheets.

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one is primarily used as an anticoagulant rodenticide, commonly known as warfarin. It functions by inhibiting vitamin K epoxide reductase, preventing blood clotting in target organisms. The compound is utilized in professional pest control applications and requires strict handling protocols due to its high toxicity classification. Its use is heavily regulated and restricted to qualified professionals in many jurisdictions.

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one requires maximum protective equipment due to its Acute Tox. 1 and Repr. 1A classifications. Personnel must wear full protective clothing, chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume extraction. Avoid skin contact, inhalation, and ingestion. Only trained professionals should handle this substance, following strict safety protocols and emergency procedures.

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one must be stored in a secure, locked area away from unauthorized access due to its extreme toxicity. Storage should be in original containers, in cool, dry conditions away from heat sources and incompatible materials. The storage area must be well-ventilated and equipped with appropriate emergency equipment. Access should be restricted to trained personnel only, with proper inventory tracking and safety protocols in place.

Immediate medical attention is required for any contact with 4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one due to its Acute Tox. 1 classification. For skin contact, remove contaminated clothing and rinse with plenty of water. If inhaled, move to fresh air immediately. In case of ingestion, do not induce vomiting and seek emergency medical care. Contact poison control centers immediately and provide the safety data sheet to medical personnel for proper treatment guidance.

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one must be disposed of as hazardous waste through licensed waste management companies due to its high toxicity and environmental hazard classification. Disposal must comply with local, national, and EU waste regulations. The substance cannot be disposed of in regular waste streams or sewage systems. Professional hazardous waste disposal services should handle collection, treatment, and destruction using appropriate incineration or specialized treatment methods.

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one is classified as ADR Class 6.1 (toxic substances) Packing Group I, indicating maximum transport restrictions. Transport requires specialized hazardous materials packaging, proper labeling with GHS pictograms (GHS06, GHS08, GHS09), and documentation. Only certified dangerous goods transporters can handle shipments. Vehicles must carry appropriate emergency equipment and drivers must have hazardous materials training and certification.

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one is subject to extensive regulation under REACH, CLP, and biocide regulations due to its classification as Repr. 1A and Acute Tox. 1. The substance requires registration under REACH and compliance with Classification, Labelling and Packaging regulations. Its use as a rodenticide falls under the Biocidal Products Regulation (BPR), requiring specific authorizations. While not currently listed as SVHC, its hazard profile subjects it to strict regulatory oversight.

4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one is available through OYSI, a specialized European distributor of chemical products with expertise in hazardous substances. Due to its extreme toxicity classification and regulatory restrictions, purchases are limited to qualified professional users with appropriate licenses and training. OYSI ensures compliance with all transportation, documentation, and safety requirements for this highly regulated substance throughout European markets.