TRISODIUM PHOSPHATE (TSP)

Trisodium phosphate (TSP) is the inorganic compound with the chemical formula Na3PO4. 
Trisodium phosphate (TSP) is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution. 
Trisodium phosphate (TSP) is used as a cleaning agent, builder, lubricant, food additive, stain remover, and degreaser.

CAS:    7601-54-9
MF:    Na3O4P
MW:    163.940671
EINECS:    231-509-8

Synonyms
TSPA;TSPC;TRI-SODIUM ORTHOPHOSPHATE;antisal4;dri-tri;emulsiphos440/660;nutrifosstp;oakite

Trisodium phosphate (TSP) is an inorganic compound with the chemical formula Na3PO4. 
Trisodium phosphate (TSP) is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution. 
Trisodium phosphate (TSP) is used as a cleaning agent, builder, lubricant, food additive, stain remover, and degreaser.
As an item of commerce Trisodium phosphate (TSP) is often partially hydrated and may range from anhydrous Na3PO4 to the dodecahydrate Na3PO4·12H2O. 
Most often Trisodium phosphate (TSP) is found in white powder form. 
Trisodium phosphate (TSP) can also be called trisodium orthophosphate or simply sodium phosphate.
Trisodium phosphate (TSP) is an inorganic salt used as industrial detergents, metal treatment and in toilet floor cleaners. 
Trisodium phosphate (TSP) is pure cleaning power. 
Used as a water softener; for the treatment of boiler water; as a paint remover; in photographic developers; for tanning leather; for manufacturing paper; for clarifying sugar.
Also, Trisodium phosphate (TSP) is a common laboratory reagent. 

Use to dissolve dirt, grease, and mildew from siding, decks, masonry, boats, campers. 
To prepare surfaces before painting or staining wash with Trisodium phosphate (TSP). 
Trisodium phosphate is an approved food additive in the U.S., European Union and other countries of the world. 
Trisodium phosphate (TSP) may be added to foods and beverages or smoothies and green drinks. 
The primary function of Trisodium phosphate (TSP) is acidity regulation. 
Trisodium phosphate (TSP) is commonly present in dry, extruded cereals. 
Together with other phosphates, Trisodium phosphate (TSP) modifies cereal color, aids the cereal's flow through the extruder and provides phosphorus fortification. 
Trisodium phosphate (TSP) is also commonly present in cheese sauces as an emulsifier. 
Trisodium phosphate (TSP) is a strong chemical and can cause severe eye damage and can burn unprotected skin. 
Poisoning occurs if you swallow, breathe in, or spill large amounts of Trisodium phosphate (TSP) on your skin.

Trisodium phosphate (TSP) is a colorless to white crystalline powder or granules. 
Trisodium phosphate (TSP) is prepared by neutralization of phosphoric acid under controlled conditions with sodium hydroxide or sodium carbonate .
Trisodium phosphate (TSP) is a sodium phosphate.
Trisodium phosphate (TSP) is also known as trisodium orthophosphate, sodium phosphate or TSP. 
Trisodium phosphate (TSP) is a water-soluble salt ,that acts as a cleaning agent and degreaser.
Trisodium phosphate (TSP) is a white, crystalline solid that produces an alkaline solution when mixed with water. 
A non-sudsing powdered Trisodium phosphate (TSP) compound that is formulated for heavy duty cleaning. 
Preferred by painting and cleaning professionals for removing heavy deposits of greasy grime, smoke, soot stains and chalked paint from walls, woodwork and floors. 
Trisodium phosphate (TSP) is great for removing stains from walls prior to repainting after smoke damage. 
Removes mildew and mildew stains when mixed with bleach. 
Also recommended for washing away paint remover sludge.

Trisodium phosphate (TSP) - sodium phosphate dodecahydrate, forms white crystals characterized by good solubility in water. 
The aqueous phosphate solution is strongly alkaline. 
Used as an acidity regulator in the chemical industry, metalworking, dye production, drinking water treatment.
Trisodium phosphate (TSP) dodecahydrate in the hydrated form is used in many branches of the chemical industry. 
The hydrated form is capable of producing pure sodium phosphate. 
They are used in the manufacture of products and currently used in textiles, leather, fillings and plastic panties. 
Trisodium phosphate (TSP) is also used in the process of drinking water treatment, as well as water treatment and 
Used as a raw material for refractory ceramics, plasters and cements. 

Trisodium phosphate (TSP) is a cleaning agent, stain remover and degreaser. 
Trisodium phosphate (TSP) is a white, granular or crystalline solid, highly soluble in water producing an alkaline solution. 
The item of commerce is often partially hydrated and may range from anhydrous trisodium phosphate, Na3PO4, to the dodecahydrate, Na3PO4·12H2O. 
Most often found in white powder form, Trisodium phosphate (TSP) can also be called trisodium orthophosphate or just plain sodium phosphate. 
Trisodium phosphate (TSP) was at one time extensively used in formulations for a wide variety of consumer grade soaps and detergents, but ecological problems have largely ended that practice, at least in the western world. 
Substitutes are not as effective, but the raw chemical can be bought in bulk to add to other detergents.

Trisodium phosphate (TSP) is a versatile compound with the chemical formula Na3PO4, prominently known for its widespread applications in various industries. 
Trisodium phosphate (TSP) is an inorganic compound that appears as a white, granular or crystalline solid, and is highly soluble in water. 
Trisodium phosphate (TSP)'s efficacy as a cleaning agent, its role as a food additive, and its utility in industrial processes underscore its importance.
In the realm of cleaning, Trisodium phosphate (TSP) is prized for its ability to effectively cut through grease and stubborn stains, making it a staple in heavy-duty cleaning products. 
Trisodium phosphate (TSP) finds extensive use in household cleaning, particularly for preparing surfaces for painting and cleaning tough stains from walls, floors, and other hard surfaces. 
Trisodium phosphate (TSP)’s ability to break down organic matter also makes it an effective mold and mildew remover.

The food industry harnesses Trisodium phosphate (TSP)’s properties as a food additive, utilizing it to enhance the texture, color, and shelf life of processed foods. 
Trisodium phosphate (TSP)'s function as a preservative is crucial in maintaining the quality of food products over extended periods. 
Despite its utility, the inclusion of Trisodium phosphate (TSP) in food has sparked debates regarding its safety, prompting a shift towards natural and organic alternatives among health-conscious consumers.
Industrially, Trisodium phosphate (TSP) serves as a potent degreaser and is employed in various manufacturing processes to ensure the cleanliness of equipment and surfaces. 
Trisodium phosphate (TSP)’s also used in water treatment, where it helps in reducing the hardness of water, and in agriculture, where Trisodium phosphate (TSP) acts as a fertilizer and soil amendment, promoting healthy crop growth.

Trisodium phosphate (TSP) Chemical Properties
Melting point: 1340°C
Density: 2.536 g/cm3(Temp: 17.5 °C)
Vapor pressure: 0Pa at 20℃
Storage temp.: Inert atmosphere,Room Temperature
Solubility H2O: slightly soluble(lit.)
Form: Powder
Color: White
PH: 10.95(1 mM solution);11.71(10 mM solution);12.12(100 mM solution)
Odor: at 100.00?%. odorless
Water Solubility: Soluble in water. Insoluble in ethanol and carbon disulfide.
Sensitive: Hygroscopic
Merck: 14,8662
Dielectric constant: 1.6（Ambient）
Cosmetics Ingredients Functions    CHELATING
BUFFERING
InChI: InChI=1S/3Na.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
InChIKey: RYFMWSXOAZQYPI-UHFFFAOYSA-K
CAS DataBase Reference: 7601-54-9(CAS DataBase Reference)
EPA Substance Registry System: Trisodium phosphate (TSP) (7601-54-9)

Trisodium phosphate (TSP) is a white, granular or crystalline solid, highly soluble in water and produces a strong alkaline solution. 
On exposure to heat, Trisodium phosphate (TSP) decomposes and produces toxic and corrosive fumes including phosphorous oxides.
The major use for Trisodium phosphate (TSP) is as a cleaning agent, food additive, stain remover, and degreaser. 
Trisodium phosphate (TSP) of commercial grade is often partially hydrated and ranges from anhydrous trisodium phosphate, Na3PO4, to the dodecahydrate, Na3PO4 · 12H2O. 
Most often found in white powder form, Trisodium phosphate (TSP) is also called trisodium orthophosphate or just plain sodium phosphate. 
Trisodium phosphate (TSP) reacts violently with water and acids to liberate heat. 

Trisodium phosphate (TSP) is corrosive and in the presence of water attacks many metals.
Trisodium phosphate (TSP) is an approved flux for use in hard soldering joints in medical grade copper plumbing. 
The flux is applied as a concentrated water solution and dissolves copper oxides at the temperature used in copper brazing. 
Residues are fully water soluble and can be rinsed out of plumbing before Trisodium phosphate (TSP) is put in service. 
Also, Trisodium phosphate (TSP) is still in vast use for the cleaning, degreasing, and deglossing of walls prior to painting. 
In fact, application of trisodium phosphateTrisodium phosphate (TSP) breaks the gloss of oil-based paints and opens the pores of latex-based paint providing a surface better suited for the adhesion of the subsequent layer of paint.

Physical properties    
The dodecahydrate is a white or colorless hexagonal crystal; density 1.62 g/cm3; melts around 75°C on rapid heating; partially loses water of crystallization at 100°C; retains the last water molecule even at moderate ignition; soluble in water, about 28 g/100 mL at 20°C; the solution is strongly alkaline; the pH of a 0.1M solution 11.5; insoluble in alcohol.

Uses    
Trisodium phosphate (TSP) is an emulsifier and buffer that is strongly alkaline, with a ph of 12. Trisodium phosphate (TSP) is moderately soluble in water, with a solubility of 14 g/100 ml at 25°c. 
Trisodium phosphate (TSP) functions as an emulsifier in processed cheese to improve texture. it maintains viscosity and pre- vents phase separation in evaporated milk and is also found in cereals. 
Trisodium phosphate (TSP) is also termed trisodium orthophosphate, sodium phosphate tribasic, and trisodium monophosphate.

Trisodium phosphate (TSP) is a cleaning agent, lubricant, food additive, stain remover and degreaser. 
Trisodium phosphate (TSP) is an alkaline cleaning agent that has been used as a household cleaner for many years, but ecological problems have largely ended that practice, at least in the western world. 
Substitutes are not as effective, but the raw chemical can be bought in bulk to add to other detergents. 
Trisodium phosphate (TSP) works by disrupting the bacterial cell membrane and causing the contents to leak out, though the exact mechanism is not fully elucidated. 
Trisodium phosphate (TSP) solutions are approved for treatment of beef carcasses in the US Code of Federal Regulations.
By the end of the 20th century, many products that formerly contained Trisodium phosphate (TSP) were manufactured with TSP substitutes, which consist mainly of sodium carbonate along with various admixtures of nonionic surfactants and a limited percentage of sodium phosphates. 
Trisodium phosphate (TSP) is commonly used after cleaning with mineral spirits in order to remove hydrocarbon residues. 
Trisodium phosphate (TSP) may be used with household chlorine bleach in the same solution without hazardous reactions. 
This mixture is particularly good for removing mildew, but is ineffective at permanently removing mold.

Industrial uses    
Different salts of phosphoric and polyphosphoric acids are used in flotation. 
From this fairly large family of reagents, sodium phosphate is the preferred species. 
Trisodium phosphate (TSP) is a white, crystalline substance highly soluble in water. 
Neutralizing phosphoric acid with soda ash produces trisodium phosphate.
Mono- and disodium phosphates are rarely used.

Cleaning
Trisodium phosphate (TSP) was at one time extensively used in formulations for a variety of consumer-grade soaps and detergents, and the most common use for trisodium phosphate has been in cleaning agents. 
The pH of a 1% solution is 12 (i.e., very basic), and the solution is sufficiently alkaline to saponify grease and oils. 
In combination with surfactants, Trisodium phosphate (TSP) is an excellent agent for cleaning everything from laundry to concrete driveways. 
This versatility and low manufacturing price made Trisodium phosphate (TSP) the basis for a plethora of cleaning products sold in the mid-20th century.

Trisodium phosphate (TSP) is still sold and used as a cleaning agent. 
Trisodium phosphate (TSP)'s use has diminished in the United States and many other parts of the world because, like many phosphate-based cleaners, it is known to cause extensive eutrophication of lakes and rivers once Trisodium phosphate (TSP) enters a water system.
Although Trisodium phosphate (TSP) is still the active ingredient in some toilet bowl-cleaning tablets, TSP is generally not recommended for cleaning bathrooms because it can stain metal fixtures and can damage grout.

Chlorination
With the formula 4Na3PO4·NaOCl·44H2O the material called chlorinated Trisodium phosphate (TSP) is used as a disinfectant and bleach, like sodium hypochlorite. 
Trisodium phosphate (TSP) is prepared using NaOCl in place of some of the base to neutralize phosphoric acid.

Flux
In the U.S., Trisodium phosphate (TSP) is an approved flux for use in hard soldering joints in medical-grade copper plumbing. 
The flux is applied as a concentrated water solution and dissolves copper oxides at the temperature used in copper brazing. 
Residues are water-soluble and can be rinsed out before plumbing is put into service.
Trisodium phosphate (TSP) is used as an ingredient in fluxes designed to deoxygenate nonferrous metals for casting. 
Trisodium phosphate (TSP) can be used in ceramic production to lower the flow point of glazes.

Painting enhancement
Trisodium phosphate (TSP) is still in common use for the cleaning, degreasing, and deglossing of walls prior to painting. 
Trisodium phosphate (TSP) breaks the gloss of oil-based paints and opens the pores of latex-based paint, providing a surface better suited for the adhesion of the subsequent layer.

Food additive
Trisodium phosphate (TSP) including monosodium phosphate, disodium phosphate, and trisodium phosphate are approved as food additives in the EU. 
They are commonly used as acidity regulators and have the collective E number E339.
The United States Food and Drug Administration lists sodium phosphates as generally recognized as safe.

Exercise performance enhancement
Trisodium phosphate (TSP) has gained a following as a nutritional supplement that can improve certain parameters of exercise performance.
The basis of this belief is the fact that phosphate is required for the energy-producing Krebs cycle central to aerobic metabolism. 
Phosphates are available from a number of other sources that are much milder than TSP.

Preparation    
Trisodium phosphate (TSP) may be prepared in two steps, first by adding a little excess of sodium carbonate to phosphoric acid and then boiling the solution to expel carbon dioxide. 
Sodium hydroxide is then added to the solution:
Na2CO3+ H3PO4→Na2HPO4+ CO2+ H2O
Na2HPO4+ NaOH →Na3PO4+ H2O
Alternatively, trisodium phosphate may be prepared by complete neutralization of phosphoric acid with sodium hydroxide, followed by evaporation and crystallization:
H3PO4+ 3NaOH →Na3PO4+ 3H2O