Polydimethylsiloxane, hydroxy terminated, M.W. 4200(CAS: 70131-67-8)

Polydimethylsiloxane (PDMS), hydroxy terminated (CAS: 70131-67-8), is a synthetic silicone oil with a molecular weight of 4200. It features hydroxyl (-OH) end groups and a polymeric structure of -Si(CH3)2-O- repeating units. This compound is colorless, non-reactive, and exhibits low surface tension, high thermal stability, and excellent water repellency, making it versatile for various industrial and scientific applications.

Polydimethylsiloxane (PDMS), hydroxy terminated (CAS: 70131-67-8), is widely used in pharmaceuticals as a carrier for drugs and medical devices. In industry, it serves as a lubricant, sealant, and antifoam agent. Food-grade applications include use in packaging and processing equipment. It is also employed in research for coatings, elastomers, and as a base for other silicone compounds due to its stability and compatibility with diverse materials.

Polydimethylsiloxane (PDMS), hydroxy terminated (CAS: 70131-67-8), is generally considered safe when handled properly. It has low toxicity and is non-irritating to skin and eyes. However, precautions include avoiding inhalation of vapors, ensuring no ingestion, and using protective gloves and ventilation. Safety standards ensure compliance with regulations for food, pharmaceutical, and industrial applications, minimizing health and environmental risks.

Polydimethylsiloxane (PDMS), hydroxy terminated (CAS: 70131-67-8), should be stored in a cool, dry place away from direct light and heat sources. Maintain low humidity to prevent degradation, and keep it in airtight containers, preferably made of glass or plastic. Ensure storage in well-ventilated areas to avoid vapor accumulation. This compound is stable under normal conditions but should be protected from contamination to preserve its properties.