But-2-yne-1,4-diol

But-2-yne-1,4-diol is an organic chemical compound with the molecular formula C4H6O2 and CAS number 110-65-6. This diol features a triple bond between carbon atoms 2 and 3, with hydroxyl groups at both terminal positions. With a molecular weight of 86.09 g/mol, it belongs to the alkyne diol family and serves as an important intermediate in organic synthesis and industrial applications.

But-2-yne-1,4-diol is typically a crystalline solid at room temperature with high water solubility due to its two hydroxyl groups. The compound exhibits polar characteristics, making it miscible with polar solvents. Its triple bond configuration provides unique reactivity compared to saturated diols. The substance has specific melting and boiling points that facilitate its purification and handling in industrial processes.

But-2-yne-1,4-diol serves as a key intermediate in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty chemicals. It is utilized in polymerization reactions, as a building block for complex organic molecules, and in the manufacture of corrosion inhibitors. The compound also finds applications in electroplating baths and as a precursor for various industrial chemical processes requiring alkyne functionality.

But-2-yne-1,4-diol requires careful handling due to its corrosive and toxic properties. Essential PPE includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin contact. Work in well-ventilated areas or under fume hoods to avoid inhalation. Use appropriate tools to prevent direct contact, and ensure emergency shower and eyewash stations are accessible. Follow strict hygiene protocols and never eat, drink, or smoke while handling.

But-2-yne-1,4-diol should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers upright and properly labeled with hazard information. Store separately from strong oxidizing agents, bases, and reactive metals. Maintain storage temperature within recommended ranges and regularly inspect containers for signs of deterioration or leakage. Implement appropriate spill containment measures in storage areas.

In case of skin contact with but-2-yne-1,4-diol, immediately remove contaminated clothing and flush affected area with copious amounts of water for at least 15 minutes. For eye contact, rinse thoroughly with water and seek immediate medical attention. If inhaled, move to fresh air and monitor breathing. If ingested, do not induce vomiting and seek immediate medical care. Always consult a physician after any exposure incident.

But-2-yne-1,4-diol must be disposed of as hazardous waste according to local, national, and international regulations. Contact licensed waste disposal companies specialized in toxic chemical waste. Never discharge into sewers, water bodies, or soil. Small quantities may require neutralization before disposal, but this should only be performed by trained personnel. Maintain proper documentation of all disposal activities and follow waste tracking requirements.

But-2-yne-1,4-diol is classified as ADR Class 6.1 (toxic substances), Packing Group III for transportation. Use appropriate UN-specification packaging marked with proper shipping names and hazard labels. Transport vehicles must display appropriate placards and carry emergency response information. Drivers require ADR certification for toxic materials. Ensure proper documentation including transport documents and emergency contact information accompanies all shipments.

But-2-yne-1,4-diol is regulated under various chemical safety frameworks including REACH registration requirements in Europe and CLP classification for hazard communication. The substance is not currently listed as an SVHC (Substance of Very High Concern). Compliance with occupational exposure limits, proper labeling with GHS pictograms (GHS06, GHS08, GHS05), and safety data sheet provision are mandatory for commercial use and distribution.

But-2-yne-1,4-diol is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound to industrial customers with proper documentation, safety data sheets, and regulatory compliance support. The company ensures quality standards and proper packaging for safe delivery across Europe. Contact OYSI directly for availability, technical specifications, and pricing information tailored to your specific application requirements.