[Technical application of tetramethylammonium bromide] CAS No.: 64-20-0C4H12NBr=154.05 Grade: AR content: ≥99.0% Potassium: ≤0.0005% Sodium: ≤0.0001% Heavy metal: ≤0.002% [Tetramethylammonium bromide Technical application] traits: white crystals. It is easy to absorb moisture, decomposes when heated to above 230 °C, and partially sublimates. Sublimate in a vacuum to 360 ° C. Soluble in water, soluble in methanol, slightly soluble in anhydrous ethanol, insoluble in ether and chloroform. The relative density is 1.56. The median lethal dose (rat, abdominal cavity) was 24.6 mg/kg. Irritating. Uses: biochemical research. Polarographic analysis reagents, verification of alkali metal and alkaline earth metals preservation: RT [tetramethylammonium bromide technology application]
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