Water spray, dry powder, alcohol resistant foam, carbon dioxide. It can also be dangerous for staff and animals if it is improperly handled or not adequately rinsed after use. Exposure controlspersonal protection control parameters exposure limits are listed below, if they exist. Sodium hydroxide flakes material safety data sheet cas no. The annual world production of sodium hydroxide is on the order of 60 million tons. It is associated with pain, the precocity and intensity of which depend on the concentration and the time of contact. Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula naoh. At room temperature, sodium hydroxide is a white crystalline odorless solid that absorbs moisture from the air. Properties although the commercial strength of naocl is 12. Sodium hydroxide has been shown to be effective in removing proteins and nucleic acids. Structure, properties, spectra, suppliers and links for. It is universally used as a neutralisation agent in the chemical industry, paper making, etc. Sodium hydroxide and sodium trimetaphosphate levels affect.
Because pure sodium hydroxide has a high affin ity for water, the physical and chemical. The effects of concentration and sodium hydroxide on the. This name is given due to the corrosive nature of this salt on animal and plant tissues. Sodium hydroxide emergency and continuous exposure limits for. Reacts rapidly and exothermically with organic and inorganic acids, with organic and inorganic acid anhydrides, including oxides of nonmetals such as sulfur dioxide, sulfur trioxide, phosphorus trioxide, phosphorus pentaoxide, and with organic and inorganic acid chlorides. Material safety data sheet sodium hydroxide solution. It also includes information on the manufacture, physical properties, safety.
When dissolved in water or neutralized with acid it liberates substantial heat, which may be sufficient to ignite combustible materials. Information on basic physical and chemical properties. Component regulation type of listing valuenotation sodium hydroxide acgih c 2 mgm3 osha z1 twa 2 mgm3 osha p0 c 2 mgm3. It is a colorless crystal or white powder and is produced when quicklime calcium oxide is mixed, or slaked with water. Chemical information and properties sodium hydroxide.
Caustic soda sodium hydroxide or naoh is most commonly manufactured by the electrolysis of a sodium chloride nacl solution. Sodium hydroxide is widely used in the manufacture of soaps, paper, rayon, cellophane, mercerized cotton, aluminum, and many chemicals. Naoh solution is a colorless, odorless and important base used in the laboratory. Sodium hydroxide solution refers to an aqueous solution of sodium hydroxide. Oxychem does not use mercury based electrolytic cells to produce caustic soda. It has many names including hydrated lime, caustic lime, builders lime, slack lime, cal, or pickling lime. Sodium hydroxide lb california proposition 65 this product does not contain any proposition 65 chemicals. Sodium hydroxide is soluble in polar solvents such as water, ethanol, and methanol, and insoluble in organic solvents. Department of transportation reportable quantity rq. Do not use a solid straight water stream, as it may scatter and spread fire. Furthermore, sodium hydroxide is a highly corrosive product, which, even when used at an appropriate concentration, could damage your floors and equipment. Methods and material for containment and cleaning up.
Sodium hydroxide naoh or hnao cid 14798 structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. The molecular formula for sodium hypochlorite is naocl. Acgih threshold limit values components type value sodium hydroxide cas ceiling 2 mgm3 10732 us. Soda lye contains in general 30 wt% of sodium hydroxide. At room temperature, pure sodium hydroxide naoh is a white, odorless solid. Pdf this paper investigates some kind of properties of naoh and the consumption market. Sodium hydroxide is the main ingredient in household products such as liquid drain cleaners. Caustic soda naoh chemical formula, properties, and uses. The chemical formula for sodium hydroxide is naoh molar mass of 39. Calcium hydroxide traditionally called slaked lime is an inorganic compound with the chemical formula ca oh 2. In concentrated form, it is used as a drain cleaner. Sodium hydroxide naoh, or lye, is used in papermills, water treatment plants, and any number of a variety of other places. Using sodium hydroxide lye as a disinfectant university.
It is highly soluble in water and a considerable amount of heat is. Pocket guide to chemical hazards components type value sodium hydroxide cas ceiling 2 mgm3 10732 biological limit values no biological exposure limits noted for the ingredients. The effects of concentration and sodium hydroxide on the rheological properties of potato starch gelatinisation article in carbohydrate polymers 502. The antimicrobial spectrum of disinfectants acids hydrochloric acid, acetic acid, citric acid alcohols ethanol, isopropanol aldehydes formaldehyde, paraformaldehyde, gluteraldehyde alkalis sodium hydroxide, ammonium hydroxide, sodium carbonate biguanides chlorhexidine, nolvasan, chlorhex, virosan halogens sodium hypochlorite peroxygens. Because sodium hydroxide is a strong base, it will dissociate completely into sodium and. Caustic soda sodium hydroxide or naoh is most commonly manufactured by the. Section 15 regulatory information us federal regulations tsca section 8b. State righttoknow regulations component massachusettsnew jersey pennsylvania illinois rhode island water x sodium hydroxide x x x x u. Sodium hydroxide is a coproduct of chlorine production. Inhalation move casualty to fresh air and keep at rest.
Other common names for sodium hydroxide are caustic soda or lye. Observations about the appearance of sodium bicarbonate such as color, odor, taste and state of matter are all physical properties. Use of sodium hydroxide for cleaning and sanitizing. Sodium hydroxide caustic soda is highly soluble in water, and sodium hydroxide solutions are strong bases. In addition the ph of hypochlorite is high because sodium hydroxide is used in the manufacturing process. Request pdf sodium hydroxide and sodium trimetaphosphate levels affect properties of starch in addition to being consumed as food, starch is considered for replacement of petroleumbased. The msds was formatted to comply with ansi standard z400. Pdf effects of sodium hydroxide concentration on the physical. This standard can be referenced in documents for purchasing and receiving sodium hydroxide and can be used as a guide for testing the physical and chemical properties of. Sodium hydroxide is used to manufacture many everyday products, such as paper, aluminum, commercial drain and oven cleaners, and soap and detergents. It is common practice in industrial manufacturing to save time by adding a salt, such as sodium chloride, to the sodium hydroxide solution to combine cleaning with. Sodium bicarbonate is a white, crystalline powder that sometimes forms lumps. Pdf investigation of naoh properties, production and sale mark.
Cutaneous lesions may be terebrant slow penetration and spreading to the deep skin layers. Pdf in this work, varying concentration of naoh was used for the. Sodium hydroxide is one of the most commonly used industrial chemicals. Sodium hydroxide solution appears as a colorless liquid. It is also used in petroleum refining, degreasing, etching, zinc extraction, tin plating, oxide coating, and food processing for peeling fruits and vegetables. Contact may severely irritate skin, eyes, and mucous membranes.
Caustic soda is an alkali salt which is also called lye. Sodium hydroxide formula sodium hydroxide uses, properties. Firstaid measures eyes rinse with plenty of water for at least 15 minutes and seek medical attention immediately. It is also effective for inactivating most viruses, bacteria, yeasts, and endotoxins. Sodium hydroxide is a strong base with the formula naoh. Dissolving solid naoh in water is a highly exothermic reaction and the resulting aq. April 2002 this fact sheet answers the most frequently asked health questions faqs about sodium hydroxide. Rinse with plenty of water for at least 15 minutes and seek medical attention immediately.
Product file sodium hydroxide lesions are characterized by a brown coloration and a gelatinous appearance. Zeolite, clay, sodium hydroxide, physical properties, catalyst. Liquid sodium hydroxide is colorless and has no odor. Sodium hydroxide naoh, also known as caustic soda or lye, is a highly versatile substance used in a variety of manufacturing processes. Sodium hydroxide uses, benefits, and chemical safety facts.
Sodium hydroxide safety data sheet according to federal register vol. Sodium hydroxide revision date 17jan2018 tsca 12b not applicable sara 3 not applicable sara 3112 hazard categoriessee section 2 for more information cwa clean water act component cwa hazardous substances cwa reportable quantities cwa toxic pollutantscwa priority pollutants sodium hydroxide x lb clean air act not. It can react violently with strong acids and with water. The purpose of this standard is to provide the minimum requirements for sodium hydroxide, including physical, chemical, sampling, testing, packaging, and shipping requirements.