二甲基甲Sulfoxide

Usage as organic synthetic solvent of pesticide, dye, medicine intermediate. For extraction of aromatic hydrocarbon, filature of acrylic fiber , macromolecule polymerization, paraffin hydrocarbon refining, diesel oil refining, electronic parts cleaning, gas absorption. Extraction solvent of rare metals, medium of capacitor, antifreeze, the feedstock of hydraulic liquid, accelerating solvent of chemical reaction Synergist of pesticide, farm manure and medicine. It can treat arthritis, dermatitis, beriberi, psoriasis, wrench, tumor, so we give it another name---all-purpose medicine ,all-purpose solvent. Specification 1) Industrial grade-DMSOPurity(DMSO)%: ≥ 99.0 Crystallization point°C : 18.0 Acid value mgKOH/g:≤ 0.3 Moisture %:≤ 0.1 Transmittance(400mm): ≥96.00 Refractive index(20°C): 1.4778-1.4790 Heavy metal %:≤ 10 2) Pharmaceutical grade -DMSO Purity(DMSO)%:≥ 99.90 Crystallization point°C:≥ 18.20 Acid value mgKOH/g:≤ 0.02 Moisture %:≤ 0.1 Transmittance(400mm): ≥96.00 Refractive index(20°C): 1.4778-1.4790 Heavy metal %:≤ 10. 3) USP Grade -DMSO Purity(DMSO)%:≥ 99.90 Crystallization point°C:≥ 18.20 Acid value mgKOH/g:≤ 0.02 Moisture %:≤ 0.1 Transmittance(400mm): ≥96.00 Refractive index(20°C): 1.4778-1.4790 Heavy metal % : 10. UV extinction value:275nm ≤ 0.3 285nm ≤ 0.2 295nm ≤ 0.2 4)Electronic grade-DMSO Purity(DMSO)%: ≥ 99.90 Crystallization point°C:≥ 18.20 Acid value mgKOH/g:≤ 0.02 Moisture %:≤ 0.1 Transmittance(400mm): ≥96.00 Refractive index(20°C): 1.4778-1.4790 UV extinction value:275nm ≤ 0.3 285nm ≤ 0.2 295nm ≤ 0.2 Heavy metal:Na<50ppb;Mg<20ppb; K<20ppb ;Ca<20ppb;Cr<20ppb Mn <20ppb;Fe<20ppb;Ni<20ppb; Pb<20ppb; Package 225kgs Net Plastic drum. 1000L Net IBC drums ISO Tank Container