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Sodium acetate

Sodium acetate, also known as sodium acetate, is an organic compound with a molecular formula of CH3COONa and a molecular weight of 82.03. Sodium acetate trihydrate is a white crystal with a relative density of 1.45 and a melting point of 58 °C. It is weathered in dry air, loses crystal water at 120 °C, and decomposes when the temperature is higher. Anhydrous sodium acetate is a colorless transparent crystal with a melting point of 324°C. It is easily soluble in water and can be used as a buffer and mordant for the determination of lead, copper, nickel and iron, medium preparation, organic synthesis, film printing, etc.


Chemical formula: CH3COONa

Molecular weight: 82.03

CAS number: 127-09-3

EINECS Number: 204-823-8

Melting point: 324 ℃

Boiling point: 117.1°C

Flash point: 40°C

Water solubility: easily soluble in water, slightly soluble in ethanol and ether

Density: 1.45 g/cm³

Appearance: colorless transparent crystal or white particles


use:

1. Determination of lead, zinc, aluminum, iron, cobalt, antimony, nickel and tin. Complex stabilizer. Acetylation auxiliaries, buffers, desiccants, mordants.

2. For the determination of lead, zinc, aluminum, iron, cobalt, antimony, nickel, tin. It is used as an esterification agent in organic synthesis and in many aspects such as photographic drugs, medicine, printing and dyeing mordant, buffering agent, chemical reagent, meat preservative, pigment, tanning and so on.

3. It is used as buffer, flavoring agent, flavoring agent and pH adjusting agent. As a buffer for flavoring agents, 0.1%-0.3% can be used to alleviate bad odor and prevent discoloration to improve flavor. It has a certain anti-mildew effect, such as using 0.1%-0.3% in minced fish products and bread. It can also be used as a sour agent for sauces, sauerkraut, mayonnaise, fish cakes, sausages, bread, sticky cakes, etc. Mixed with methyl cellulose, phosphate, etc. to improve the preservation of sausages, bread, sticky cakes, etc.

4. It is used as an anti-scorch agent for sulfur-adjusted chloroprene rubber coking, and the dosage is generally 0.5 parts by mass. It can also be used as a cross-linking agent for animal glue.

5. This product can be used for the addition of alkaline electroplating tin, but it has no obvious effect on the coating and electroplating process, and is not an essential component. Sodium acetate is often used as a buffer, such as for acid zinc plating, alkaline tin plating and electroless nickel plating.


safety:

Sodium tripolyphosphate is mildly irritating to the skin and mucous membranes, and can cause severe diarrhea if inhaled or ingested. Staff producing and using sodium tripolyphosphate should wear protective equipment, and the production workshop should be equipped with air supply and exhaust equipment. It should be stored in a cool, ventilated and dry warehouse, and should not be stacked in the open air. Do not let moisture deteriorate, prevent high temperature, and prevent harmful pollution. When loading and unloading, it should be handled with care to prevent the package from being damaged.


Storage and transportation conditions:

Packed with lined plastic bag, outer woven bag or sack. Sodium acetate has deliquescence, so pay attention to moisture protection during storage and transportation.