Knowledge

Skin Contact: Remove contaminated clothing and rinse with running water for 15 minutes. If burns occur, seek medical attention.

Respiratory protection: When you may come into contact with its dust, you should wear a gas mask. Wear a gas mask if necessary.

Assuming that the mass of sodium methoxide required to prepare 100 grams of 27% methanol solution of sodium methoxide = 100*27% = 27 grams

Sodium methoxide has a wide range of uses, mainly used in the production of sulfonamides, etc. Sodium methoxide is also a catalyst for organic synthesis, used in pesticide production and oil processin

Solid sodium hydroxide and methanol are prepared in a certain proportion. After stirring and dissolving, the solid impurities are removed by precipitation and clarification.

White amorphous free-flowing powder, odorless, soluble in ethanol and methanol.

There are many kinds of chemical raw materials, which are widely used.

Can be divided into alkanes and their derivatives, alkenes and their derivatives, alkynes and derivatives

Propylene glycol is an important raw material for unsaturated polyester, epoxy resin, and polyurethane resin.

The properties are basically the same as glycerin, but the viscosity, toxicity and irritation are less than glycerin.

Used as a high dielectric constant component of the electrolyte in lithium batteries, usually with low viscosity solvents such as dimethoxyethane.

Take 0.6g of this product, accurately weigh it, put it in a 250ml iodine bottle, accurately add 75g of barium hydroxide solution [take barium hydroxide (Ba(OH)z • 8H20)