Caustic Soda Flakes Industrial Grade Sodium Hydroxide for Cleaning

1. Basic information

Product Name: Tablet Alkali

Chemical name: Sodium Hydroxide

chemical formula: NaOH

CAS number: 1310-73-2

Appearance: White flaky solid

Purity: usually above 99%

 

2. Physical and chemical properties

Molecular weight: 40.00 g/mol

Melting point: 318 ° C

Boiling point: 1388 ° C

Density: 2.13 g/cm ³

Solubility: soluble in water, soluble in ethanol and glycerol

 

3. Main purpose

Chemical industry: used for manufacturing soap, detergent, paper, textiles, etc.

Petroleum industry: used for refining petroleum products.

Water treatment: used to adjust the pH value of water and treat wastewater.

Food industry: used as a food additive for processing certain foods.

Other uses: Used for manufacturing chemicals, dyes, drugs, etc.

 

Characteristics

Strong alkalinity: It has strong alkalinity and can react with acid to neutralize, effectively removing acidic substances such as grease and dirt. Its alkalinity can cause saponification of grease, decomposing it into fatty acid salts and glycerol that are soluble in water, thereby achieving the purpose of removing oil stains.

 

Good solubility: It is easily soluble in water, and it releases a lot of heat when dissolved, and can quickly form a high-concentration alkaline solution to improve the cleaning effect. At the same time, it can also be dissolved in some organic solvents, expanding its application range in different cleaning scenarios.

 

Highly corrosive: It is corrosive to metals, skin, clothing, etc. During the cleaning process, it is necessary to avoid contact with these substances to avoid damage or injury. But it is precisely because of its corrosiveness that it can remove some stubborn dirt and rust.

 

Application in cleaning

Industrial equipment cleaning: used to clean chemical equipment, reactors, pipelines, etc. It can remove impurities such as oil, scale, rust, etc. on the inner surface of the equipment to ensure the normal operation and production efficiency of the equipment. For example, in the petrochemical industry, caustic soda solution can be used to clean coking and dirt in crude oil distillation equipment.

 

Metal surface treatment: In the metal processing and electroplating industries, it is used for degreasing and rust removal of metal surfaces. Through the alkaline action of caustic soda solution, oil and rust on the metal surface are removed, providing good surface conditions for subsequent electroplating, coating and other processes, and improving the adhesion and anti-corrosion properties of the coating.

 

Kitchen and bathroom cleaning: It is also used in kitchen and bathroom cleaning in homes and commercial places. It can remove oil stains on kitchen stoves and range hoods, as well as dirt and odors in toilets and sewers. However, it is necessary to pay attention to dilution and protection when using it to avoid harm to the human body and the surface of objects.

 

Fabric cleaning: In the textile industry, it can be used for desizing, scouring and other processes of fabrics to remove slurry, grease and impurities on the fabric surface and improve the whiteness and water absorption of the fabric. At the same time, in some special fabric cleaning, the alkalinity of caustic soda can also be used to remove stubborn stains.

 

Precautions

Safety protection: Due to its strong corrosiveness, protective glasses, rubber gloves, protective clothing and other protective equipment must be worn during use to avoid direct contact of skin and eyes with caustic soda. Once in contact with skin or eyes, rinse immediately with plenty of clean water and seek medical attention in time.

 

Correct dilution: When preparing caustic soda solution, caustic soda should be slowly added to water and stirred continuously. Never pour water into caustic soda to avoid splashing and injuring people. At the same time, the concentration of the solution should be reasonably controlled according to the cleaning object and the degree of dirt to avoid corrosion caused by excessive concentration or affect the cleaning effect by too low concentration.

 

Storage conditions: caustic soda should be stored in a dry, well-ventilated warehouse to avoid moisture and rain. Since it is easy to absorb moisture and carbon dioxide in the air and deteriorate, it should be sealed and stored to prevent mixing with acidic substances to avoid chemical reactions.

 

Environmental protection treatment: The caustic soda solution after use contains a large amount of impurities and pollutants and cannot be discharged at will. It needs to be neutralized, precipitated and other treatments. It can only be discharged after meeting the environmental protection emission standards to avoid pollution to the environment.

 

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