Overview
Dimethyl sulfone (DMSO2) intermediate, also known as methylsulfonylmethane (MSM), is an organosulfur compound with a wide range of industrial and pharmaceutical uses. It is derived from dimethyl sulfoxide (DMSO) oxidation and serves as a versatile building block in organic synthesis. As a stable, white crystalline solid, it is valued for its high bioavailability and role in sulfur metabolism. Its non-toxic nature and solubility in polar solvents make it suitable for applications in health supplements, veterinary medicine, and specialty chemicals.
Physical and Chemical Properties
Dimethyl sulfone intermediate exhibits a melting point of 109–111°C and decomposes at 238°C, releasing sulfur dioxide. Its density of 1.45 g/cm³ and solubility in water (150 g/L at 25°C) facilitate easy integration into aqueous formulations. The compound’s stability under normal conditions and resistance to oxidation make it ideal for long-term storage. Its sulfur content (34% by mass) is critical for applications requiring sulfur donors, such as rubber vulcanization or glutathione synthesis in pharmaceuticals.
Main Applications
In pharmaceuticals, dimethyl sulfone intermediate is used to synthesize anti-inflammatory drugs and joint health supplements due to its ability to reduce oxidative stress. It is also a key ingredient in topical analgesics and veterinary products. Industrially, it acts as a solvent intermediate and antioxidant in polymers. Agricultural formulations incorporate it as a plant growth enhancer and soil sulfur supplement, improving crop resilience and yield.
Safety and Storage
Classified as non-hazardous, dimethyl sulfone intermediate requires minimal safety measures (e.g., gloves, ventilation) during handling. Prolonged exposure to dust may cause mild respiratory irritation. Store in sealed containers away from moisture and strong oxidizers. Shelf life exceeds two years under recommended conditions (15–25°C, ≤60% humidity).
B2B Procurement Guide
Bulk buyers should prioritize suppliers with ISO 9001 or GMP certification to ensure consistency. Request Certificates of Analysis (CoA) for purity (≥99%) and heavy metal content (<10 ppm). Negotiate pricing for volumes above 100 kg, with discounts commonly reaching 10–15%. Logistics should avoid high-temperature transit to prevent clumping.
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