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CAS NUMBER: 584-08-7

EC NUMBER: 209-529-3

E501 (Potassium carbonate) (K2CO3) is a water-soluble inorganic compound that is primarily derived from potash. 
E501 (Potassium carbonate) is industrially prepared by reacting potassium hydroxide and carbon dioxide. 

E501 (Potassium carbonate) crystallizes to form potash hydrate, which can further be heated above 200°C to produce the anhydrous salt.
E501 (Potassium carbonate) is a potassium salt that is the dipotassium salt of carbonic acid. 

E501 (Potassium carbonate) has a role as a catalyst, a fertilizer and a flame retardant. 
E501 (Potassium carbonate) is a carbonate salt and a potassium salt.

E501 (Potassium carbonate) (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution. 
E501 (Potassium carbonate) can be made as the product of potassium hydroxide's absorbent reaction with carbon dioxide. 

E501 (Potassium carbonate) presents a large capacity to absorb moisture.
E501 (Potassium carbonate) is the inorganic compound with the formula K2CO3. 

E501 (Potassium carbonate) is a white salt, which is soluble in water. 
E501 (Potassium carbonate) is deliquescent, often appearing as a damp or wet solid. 

E501 (Potassium carbonate) is mainly used in the production of soap and glass.
E501 (Potassium carbonate) is the primary component of potash and the more refined pearl ash or salts of tartar. Historically, pearl ash was created by baking potash in a kiln to remove impurities. 

The fine, white powder remaining was the pearl ash. 
The first patent issued by the US Patent Office was awarded to Samuel Hopkins in 1790 for an improved method of making potash and pearl ash.

In late 18th-century North America, before the development of baking powder, pearl ash was used as a leavening agent for quick breads.
E501 (Potassium carbonate) (K2CO3) is a water-soluble inorganic compound that is primarily derived from potash. 

E501 (Potassium carbonate) is industrially prepared by reacting potassium hydroxide and carbon dioxide. 
The solution crystallizes to form potash hydrate, which can further be heated above 200°C to produce the anhydrous salt.

In low concentrations E501 (Potassium carbonate) is harmless and even accepted as an additive to foodstuffs. 
However at concentrations used in systems as described here the solutions can be harmful. 

Longer times exposure to the skin should be avoided. 
Splashes of the solution in the eyes must be washed away carefully immediately. 

If there is danger for spray or splashes (as when airing the system), safety glasses should be worn when working.
The E501 (Potassium carbonate) solution is a vintage treating solvent. 

In the E501 (Potassium carbonate) process, which is referred to as the “hot pot” process, the process system operates at high temperature (in the range of 230–240°F) and was very popular in CO2 removal in ammonia plant. 
E501 (Potassium carbonate) is known to cause equipment failure from excessive corrosion. 

All carbon steel must be stress relieved. 
A variety of corrosion inhibitors are also available to combat corrosion.

E501 (Potassium carbonate) solvent absorbs CO2 at a relatively slow rate. 
E501 (Potassium carbonate) is a product made by a reaction between liquid caustic potash (our product) and carbon dioxide, followed by filtration and then drying.

E501 (Potassium carbonate) (K2CO3) is a translucent and odourless organic alkaline solution or a white and odourless solid chemical compound that is available in crystalline granulated or powder form.
E501 (Potassium carbonate) has historically been used for glass and soap production. Contemporary applications rely on the compound’s key properties, such as its ability to release heat (exothermic), which makes it useful as a deicer. 

E501 (Potassium carbonate)s water-absorbing properties find applications in the agrochemical industry and in health and beauty products.
E501 (Potassium carbonate) is also known as potash carbonate and is used in fertilisers, agrochemicals, heat-resistant glass, soaps, and in the manufacturing of other chemical compounds.

E501 (Potassium carbonate) is a white powder used to make soap, glass, and other items. 
E501 (Potassium carbonate) is a chemical known as a caustic.

E501 (Potassium carbonate) was believed to prevent the formation of many diseases by making the cells alkaline on a compound similar to carbonate as soap in the Ancient Egyptians. 
E501 (Potassium carbonate) is a K2CO3 substance and a pH regulator is used as its chemical formula. 

With the deterioration of the PH balance in the human body, the main causes of many diseases, including cancer, have been determined. 
In other words, the most important substance that creates an alkaline effect on our body is E501 (Potassium carbonate). 

E501 (Potassium carbonate) is a soft, silver and white alkali metal substance. In general, it is seen due to sea water and many minerals. 
The E501 (Potassium carbonate) substance in question is rapidly oxidized in the air and is very effective against water. 

E501 (Potassium carbonate) is known to be a very important element for the development of plants. 
Because most of the potassium substance is included in the composition of the soil type and it is used in the fertilization structure. 

E501 (Potassium carbonate) becomes water-soluble and is used to improve the taste of bottled water. 
E501 (Potassium carbonate) mineral is not soluble in alcohol. 

The reaction rates are increased through the use of catalytic promoters, such as DEA, arsenic trioxide, selenous acid, and tellurous acid. 
In applications for the removal of hydrogen sulfide, tripotassium phosphate may be added. 

These activators are claimed by the licensors to improve the E501 (Potassium carbonate) performance.
E501 (Potassium carbonate) is considered a promising solvent for carbon dioxide (CO2) capture as it is cost-effective and environmentally benign when compared to traditional amine-based solvents. 

In order to increase absorption capacity, the use of concentrated E501 (Potassium carbonate) solvent has been proposed in which CO2 absorption results in precipitation of bicarbonate. 
Understanding the formation of the solids in that system is important if this is to be used for CO2 capture. 

In this work, the precipitation behavior in the ternary system of E501 (Potassium carbonate)–potassium bicarbonate–water was studied in a batch cooling crystallizer equipped with Focused Beam Reflectance Measurement (FBRM) and an Optimax workstation. 
The solubility data were validated using a regressed Electrolyte Non-Random Two Liquid (ENRTL) activity model developed. 

The precipitate was determined as kalicinite with hexagonal prism shape by X-ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). 
The nucleation kinetics were evaluated using the metastable zone width method and induction time method. 

Results indicated that in the studied ternary system there were two separate regions corresponding to different nucleation mechanisms, which were defined by the cooling rate.
E501 (Potassium carbonate) is known as calcinite mineral due to its crystal structure in general and E501 (Potassium carbonate) is found in small amounts. 

Experts state that the PH ratio of the body is alkaline.
E501 (Potassium carbonate) material is soft enough to be cut with a knife. 

When the bright surface of the freshly cut E501 (Potassium carbonate) material combines with the air, a matte appearance emerges. 
E501 (Potassium carbonate) mineral must be stored in an airless environment in order to reduce corrosion caused by the formation of metal oxide and hydroxide material. 

For this reason, E501 (Potassium carbonate) samples are generally stored in kerosene-like and reducing environments. 
When E501 (Potassium carbonate) mineral comes into contact with water, like other alkali metals, it causes severe hydrogen gas formation. 

When combined with E501 (Potassium carbonate) waters, it indicates more violence than the reaction of lithium and sodium water. 
However, as a result of the heat released from this reaction, there is a reaction that occurs in the combination of heat enough to burn the hydrogen gas.

E501 (Potassium carbonate) is a compound that is used in many parts of our lives and is of great importance. 
This compound is a compound used mostly in the industrial sector, in the glass sector, in the food sector, in the pharmaceutical sector and many more. 

This is why we understand the importance of this compound in our lives. 
E501 (Potassium carbonate) is the 7th most abundant element in nature. 

E501 (Potassium carbonate) is gratifying to find an element that we need so easily. E501 (Potassium carbonate) is also widely used in fertilizer production. 
This causes this compound to be stored in plants through the soil. 

Humans, on the other hand, take this compound from plants as the healthiest way to their bodies. 
E501 (Potassium carbonate) is a white color. 

E501 (Potassium carbonate) has a bright structure with its crystal structure. 
Therefore, E501 (Potassium carbonate) is a compound that can be easily distinguished from other compounds.

E501 (Potassium carbonate) is a substance that oxidizes very quickly in air. 
Therefore, the storage conditions should be well adjusted. Contact with air should be stopped when not in use. 

E501 (Potassium carbonate) may show the same reaction with water. 
Therefore, E501 (Potassium carbonate) is necessary to pay attention to the storage conditions. 

E501 (Potassium carbonate)s abundance in nature causes the needs to be met easily. 
E501 (Potassium carbonate) is usually obtained from rocks and becomes ready for use. E501 (Potassium carbonate) is very important for living things. 

So much so that in the deficiency of this compound, which is an essential mineral for the human body, people usually make up for this deficiency with plants. 
This mineral is absolutely necessary for cells to live. Even people and animals with E501 (Potassium carbonate) deficiency have heart dysfunction.

E501 (Potassium carbonate) can be used for deproteinization. Mild drying agent where other drying agents such as calcium chloride and magnesium sulfate may be incompatible. 
Not suitable for acidic compounds, but can be useful for drying an organic phase if one has a small amount of acidic impurity. 

E501 (Potassium carbonate) is also used in the synthesis of well-defined phosphate-methylated DNA fragments: E501 (Potassium carbonate) is shown that base deprotection can be accomplished in E501 (Potassium carbonate)/methanol without affecting the methyl phosphotriesters.
E501 (Potassium carbonate), Anhydrous is a water insoluble Potassium source that can easily be converted to other Potassium compounds, such as the oxide by heating (calcination). 

E501 (Potassium carbonate) compounds also give off carbon dioxide when treated with dilute acids. 
E501 (Potassium carbonate), Anhydrous is generally immediately available in most volumes. 
High purity, submicron and nanopowder forms may be considered. 


-E501 (Potassium carbonate) is used in industrial products, glass surfaces, ceramics, explosive materials, in fertilization and glazing industries, in personal care products, in the production of soft soap, in the food industry, in the production of inorganic salts, in chemical dyes and in wool finishing works.

-In addition, E501 (Potassium carbonate), which is used as a baking agent in the alkalization of cocoa powder and together with sodium aluminum phosphate, causes a soapy taste in case of heavy addition. 

-Adding E501 (Potassium carbonate) to liquid soap prevents hydrolysis and helps to increase the washing effect.

-In addition, E501 (Potassium carbonate) is used to keep the liquid soap in liquid ratio and to prevent E501 (Potassium carbonate) from gelling.

-E501 (Potassium carbonate), which is used in many fields from the television tube to the field of photography, is an easy to process and easy to find compound. 

-E501 (Potassium carbonate) is not flammable, so E501 (Potassium carbonate) is used a lot in fire extinguishers.

E501 (Potassium carbonate) can be used for a variety of applications such as:

-production of soaps and glasses

-drying agent for organic based compounds like ketones, alcohols, and amines

-buffering agent to produce wine

-ingredient in welding and other coatings


-(historically) for soap, glass, and dishware production

-as a mild drying agent where other drying agents, such as calcium chloride and magnesium sulfate, may be incompatible. 

-E501 (Potassium carbonate) is not suitable for acidic compounds, but can be useful for drying an organic phase if one has a small amount of acidic impurity. 

-E501 (Potassium carbonate) may also be used to dry some ketones, alcohols, and amines prior to distillation.

-in cuisine, where E501 (Potassium carbonate) has many traditional uses. 

-E501 (Potassium carbonate) is an ingredient in the production of grass jelly, a food consumed in Chinese and Southeast Asian cuisines, as well as Chinese hand-pulled noodles and mooncakes. 

-E501 (Potassium carbonate) is also used to tenderize tripe. German gingerbread recipes often use E501 (Potassium carbonate) as a baking agent, although in combination with hartshorn. 

-Use of E501 (Potassium carbonate) must be limited to a certain amount to prevent harm, and should not be used without guidance.

-in the alkalization of cocoa powder to produce Dutch process chocolate by balancing the pH (i.e., reduce the acidity) of natural cocoa beans; it also enhances aroma. 

-The process of adding E501 (Potassium carbonate) to cocoa powder is usually called "Dutching" (and the products referred to as Dutch-processed cocoa powder), as the process was first developed in 1828 by Dutchman Coenraad Johannes van Houten.

-as a buffering agent in the production of mead or wine.

-in antique documents, E501 (Potassium carbonate) is reported to have been used to soften hard water.

-as a fire suppressant in extinguishing deep-fat fryers and various other B class-related fires.

-in condensed aerosol fire suppression, although as the byproduct of potassium nitrate.

-as an ingredient in welding fluxes, and in the flux coating on arc-welding rods.

-as an animal feed ingredient to satisfy the potassium requirements of farmed animals such as broiler breeder chickens.

-as an acidity regulator in Swedish snus snuff tobacco


-Quality Level: 200

-assay: 99.995% trace metals basis

-form: powder and chunks

-impurities: ≤ 55.0  ppm Trace Metal Analysis

-mp: 891 °C (lit.)

-solubility: H2O: soluble 138 g/L at 20 °C (completely)

-SMILES string: [K+].[K+].[O-]C([O-])=O

-InChI: 1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2



-Density: 2.428 g/cm3

-Melting Point: 891 °C

-pH value: 11.5 - 12.5 (50 g/l, H₂O, 20 °C)

-Bulk density: 750 kg/m3

-Solubility: 1120 g/l


-Appearance: Powder or granules

-Physical State: Solid

-Solubility: Soluble in water (1120 mg/ml at 20° C). Insoluble in alcohol, ethanol, and acetone.

-Storage: Store at room temperature

-Melting Point: 891° C (lit.)

-Density: 2.29 g/cm3 at 20° C


-Compound Formula: CK2O3

-Molecular Weight: 138.21

-Appearance: White Powder

-Density: 2.43 g/cm3

-Exact Mass: 137.912158

-Monoisotopic Mass: 137.912155 Da


-Linear Formula: K2CO3

-MDL Number: MFCD00011382

-EC No.: 209-529-3

-Beilstein/Reaxys No.: 4267587

-Pubchem CID: 11430

-IUPAC Name: diE501 (Potassium carbonate)

-SMILES: C(=O)([O-])[O-].[K+].[K+]

-InchI Identifier: InChI=1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2



Separated from strong acids. 


E501 (Potassium carbonate), anhydrous
Carbonate of potash
Carbonic acid, dipotassium salt
Salt of tartar
E501 (Potassium carbonate) (K2CO3)
Pearl ash
Carbonic acid, potassium salt (1:2)
Kalium carbonicum
E501 (Potassium carbonate) anhydrous
Caswell No. 685
Kaliumcarbonat [German]
Carbonic acid, potassium salt
E501 (Potassium carbonate) (2:1)
CCRIS 7320
HSDB 1262
E501 (Potassium carbonate) (K2(CO3))
EINECS 209-529-3
E501 (Potassium carbonate) [USP]
EPA Pesticide Chemical Code 073504

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