Dimethyl Sulfoxide

• Appearance: Clear, colorless liquid (hygroscopic)

• Assay (GC): ≥ 99.9%

• Water Content: ≤ 0.03%

• Crystallization Point: ≥ 18.1 °C

• Acid Value: ≤ 0.04 mg KOH/g

• Refractive Index (20 °C): 1.478 – 1.479

A highly versatile polar aprotic solvent serving multiple industries:

• Pharmaceutical & Agrochemical Synthesis: Preferred reaction medium for S_N2 reactions, API manufacturing, and crop-protection formulations due to excellent solvating power and thermal stability.

• Energy Storage & Electronics: High-purity electrolyte co-solvent in lithium-ion and lithium-metal battery systems; effective photoresist stripper in semiconductor fabrication.

• Industrial Processing: Efficient paint and coating stripper, surface cleaner for polymer processing equipment, and extraction solvent for aromatic recovery.

• Polymer & Fiber Production: Spinning solvent for polyacrylonitrile (PAN) carbon-fiber precursors and polysulfone membrane casting.

Packaging: 200 kg plastic drums / 1,000 kg IBC tanks (custom sizes available on request).

Transport: UN 1993 – Flammable Liquid, Class 3, PG III. Generally non-hazardous for sea and air shipment in limited quantities.

Storage: Store in a cool, dry, and well-ventilated area above 20 °C to prevent crystallization. Keep containers tightly sealed to avoid moisture absorption.