Acetic acid/GAA 98% Colorless and transparent liquid with irritating odor Lingnuo-13 Shandong Lingnuo

Acetic acid, also called acetic acid, is an organic compound with chemical formula CH3COOH, which is an organic monoacid and the main component of vinegar. Pure anhydrous acetic acid (glacial acetic acid) is a colorless hygroscopic liquid with a freezing point of 16.6℃ (62℉) and colorless crystals after solidification, which is weakly acidic and corrosive in its aqueous solution, strongly corrosive to metals, and the vapor has irritating effects on eyes and nose.

Industrial use
1. Acetic acid is a bulk chemical product and one of the most important organic acids. It is mainly used in the production of ethyl anhydride, acetate and cellulose acetate. Polyvinyl acetate can be made into films and adhesives, and is also the raw material for the synthetic fiber vinylon. Cellulose acetate can be made into rayon and cinema film.
2、Acetic acid esters formed by lower alcohols are excellent solvents and are widely used in the paint industry. Because acetic acid that dissolves most organic substances, so acetic acid is also a common organic solvent (for example, for the oxidation of paraxylene to produce terephthalic acid).
3, acetic acid can be used in some pickling and polishing solutions, as a buffer in weakly acidic solutions (such as galvanizing, chemical nickel plating), as an additive in semi-bright nickel plating electrolyte, in the passivation solution of zinc and cadmium can improve the bonding power of passivation film, and is often used to adjust the pH of weakly acidic plating solution.
4, used in the production of acetic acid salts, such as manganese, sodium, lead, aluminum, zinc, cobalt and other metal salts, widely used as a catalyst, fabric dyeing and leather tanning industry in the auxiliary; lead acetate is paint color lead white; lead tetraacetate is an organic synthesis reagent (such as lead tetraacetate can be used as a strong oxidizer, provide a source of acetoxy and the preparation of organic lead compounds, etc.).
5、Acetic acid can also be used as analytical reagent, organic synthesis, synthesis of pigments and drugs.
Food use
In food industry, acetic acid is used as acidifier, flavor enhancer and spice to make synthetic vinegar, dilute acetic acid to 4-5% with water and add various flavoring agents, the flavor is similar to alcohol vinegar, the manufacturing time is short and the price is cheap. As acidifier, it can be used in compound seasoning, vinegar, canned food, jelly and cheese, and used in appropriate amount according to production needs. It can also be used as a flavoring agent for composing spiced wine, and the use amount is 0.1~0.3 g/kg.

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