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E501 Potassium Carbonates are potassium salts of carbonic acid used in food and beverage applications as acidity regulators, raising agents, and processing aids, and E501 Potassium Carbonates are valued for providing alkalinity, controlling pH, and supporting leavening in bakery systems.
E501 Potassium Carbonates include potassium carbonate and potassium hydrogen carbonate, and E501 Potassium Carbonates are widely used in baking powders, biscuits, crackers, confectionery, and certain processing applications where controlled alkalinity is required.
E501 Potassium Carbonates are typically supplied as white crystalline powders, and E501 Potassium Carbonates performance depends on the specific carbonate type, particle size, dosage, and overall acid-base balance in the formulation.
CAS Number: 584-08-7 (Potassium carbonate) / 298-14-6 (Potassium hydrogen carbonate)
EC Number: 209-529-3 (potassium carbonate) / 206-059-0 (potassium hydrogen carbonate)
Molecular Formula: K2CO3 (potassium carbonate) / KHCO3 (potassium hydrogen carbonate)
Molecular Weight: 138.21 g/mol / 100.12 g/mol
Synonyms: E501 Potassium Carbonates, Potassium Carbonate, Potassium Bicarbonate, Potassium Hydrogen Carbonate, Potash (common; potassium carbonate), Pearl Ash (historical; potassium carbonate), E501, E501(i) Potassium Carbonate, E501(ii) Potassium Bicarbonate, Potassium Carbonates Raising Agent, Potassium Carbonates pH Regulator, Potassium Carbonates Acidity Regulator, E501 Potassium Carbonates, Potassium Carbonates, Potassium Carbonate, Potassium Hydrogen Carbonate, Potassium Bicarbonate, Potassium Sesquicarbonate, Carbonic Acid Potassium Salt, Carbonic Acid Dipotassium Salt, Dipotassium Carbonate, Monopotassium Carbonate, Potassium Acid Carbonate, Potassium Hydrogencarbonate, Potash, Pearl Ash, Salt of Tartar, Potassium Carbonate Anhydrous, Anhydrous Potassium Carbonate, Potassium Carbonate Hydrate, Potassium Carbonate Sesquihydrate, Hydrated Potassium Carbonate, Crystalline Potassium Carbonate, Food Grade Potassium Carbonate, Food Grade Potassium Bicarbonate, Food Grade Potassium Sesquicarbonate, E501 Food Additive, E501 Acidity Regulator, E501 Raising Agent, E501 Anticaking Agent, E501 Buffering Agent, E501 Potassium Carbonate, E501 Potassium Bicarbonate, E501 Potassium Sesquicarbonate, E501 Carbonate Salts, Potassium Carbonate Food Grade, Potassium Bicarbonate Food Grade, Potassium Sesquicarbonate Food Grade, Pharmaceutical Potassium Carbonate, Pharmaceutical Potassium Bicarbonate
APPLICATIONS
E501 Potassium Carbonates are used in bakery products as raising agents to generate carbon dioxide and create volume and porous texture.
E501 Potassium Carbonates are incorporated into baking powders and baking mixes to provide controlled leavening when combined with suitable acids.
E501 Potassium Carbonates are used in biscuits and cookies to support spread, browning, and crisp texture in compatible formulations.
E501 Potassium Carbonates are used in crackers and salty snacks to provide alkalinity and influence texture and color development during baking.
E501 Potassium Carbonates are incorporated into pretzel and bagel processing in selected applications to create characteristic surface color and flavor through alkaline treatment.
E501 Potassium Carbonates are used in flatbreads to support leavening and improve processing performance.
E501 Potassium Carbonates are used in confectionery in selected applications to adjust pH and influence gelling and flavor perception.
E501 Potassium Carbonates are incorporated into cocoa and chocolate processing in selected systems to adjust alkalinity and manage flavor profile.
E501 Potassium Carbonates are used in caramel and sugar processing in selected applications to control pH and reduce unwanted crystallization.
E501 Potassium Carbonates are used in effervescent systems to generate carbon dioxide when combined with acids in tablets and powders.
E501 Potassium Carbonates are incorporated into effervescent drink mixes to provide consistent fizz and balanced taste.
E501 Potassium Carbonates are used in functional beverage tablets to support controlled reaction and stable performance.
E501 Potassium Carbonates are used as pH regulators in food processing to adjust alkalinity in specific formulations.
E501 Potassium Carbonates are incorporated into dairy processing in selected applications to manage acidity and stabilize processing conditions.
E501 Potassium Carbonates are used in some noodle and pasta systems to influence texture and color through controlled alkalinity.
E501 Potassium Carbonates are used in sodium-reduced formulations to replace some sodium carbonates while maintaining alkalinity and leavening performance.
E501 Potassium Carbonates are incorporated into reduced-sodium baked goods to support functional performance and mineral balance.
E501 Potassium Carbonates are valued because E501 Potassium Carbonates provide controlled alkalinity and leavening while contributing potassium instead of sodium.
E501 Potassium carbonates are used as acidity regulators in food to control pH.
E501 Potassium carbonates support alkalizing and buffering in food processing.
E501 Potassium carbonates help neutralize excess acidity in certain formulations.
E501 Potassium carbonates are used as leavening agents in bakery by releasing CO2 with acids.
E501 Potassium carbonates support aeration and volume development in baked goods.
E501 Potassium carbonates help improve crumb structure and softness when properly balanced.
E501 Potassium carbonates are used in baking powders as alkaline components in some formulations.
E501 Potassium carbonates support controlled CO2 generation when paired with leavening acids.
E501 Potassium carbonates help provide predictable rise in cakes and biscuits.
E501 Potassium carbonates are used in cookies and biscuits to influence spread and texture.
E501 Potassium carbonates support browning reactions by increasing alkalinity.
E501 Potassium carbonates help produce crisp texture and characteristic color in some baked goods.
E501 Potassium carbonates are used in crackers to improve crispness and porous structure in some recipes.
E501 Potassium carbonates support controlled leavening and dough pH.
E501 Potassium carbonates help reduce dense texture defects in baked snacks.
E501 Potassium carbonates are used in gingerbread and spice cookies to create characteristic color and flavor in some recipes.
E501 Potassium carbonates support alkaline conditions that influence Maillard browning.
E501 Potassium carbonates help produce the traditional texture of certain European-style cookies.
E501 Potassium carbonates are used in cocoa and chocolate processing to alkalize cocoa powders in some operations.
E501 Potassium carbonates support pH adjustment that modifies cocoa color and flavor.
E501 Potassium carbonates help improve dispersibility of cocoa in beverages.
E501 Potassium carbonates are used in beverage processing to adjust pH and buffering in some formulations.
E501 Potassium carbonates support controlled alkalinity in certain drink bases.
E501 Potassium carbonates help stabilize pH when acidic ingredients are present.
E501 Potassium carbonates are used in confectionery to adjust pH for color and flavor stability in some systems.
E501 Potassium carbonates support pH control that can influence gelation and color behavior.
E501 Potassium carbonates help stabilize certain colorants under controlled pH.
E501 Potassium carbonates are used in sugar processing to neutralize acidity in some operations.
E501 Potassium carbonates support pH control in refining steps.
E501 Potassium carbonates help improve process stability in sugar syrup manufacture.
E501 Potassium carbonates are used in reduced-sodium foods as potassium-based alternatives to sodium salts in some formulations.
E501 Potassium carbonates support sodium reduction strategies while providing alkalinity.
E501 Potassium carbonates help maintain functional performance in certain recipes.
E501 Potassium carbonates are used in food sanitation and cleaning as alkaline builders in some cleaners.
E501 Potassium carbonates support removal of fats and protein soils in cleaning solutions.
E501 Potassium carbonates help improve cleaning performance in food-contact surface cleaning.
E501 Potassium carbonates are used in household laundry and cleaning to enhance detergent performance.
E501 Potassium carbonates support water softening by precipitating hardness ions.
E501 Potassium carbonates help improve detergent efficiency in hard water.
E501 Potassium carbonates are used in detergents as builders to enhance surfactant performance.
E501 Potassium carbonates support alkalinity and improved soil removal.
E501 Potassium carbonates help reduce redeposition by improving water chemistry.
E501 Potassium carbonates are used in automatic dishwashing detergents to improve cleaning performance.
E501 Potassium carbonates support alkalinity to dissolve food soils.
E501 Potassium carbonates help prevent spotting by controlling hardness in some systems.
E501 Potassium carbonates are used in household cleaners for degreasing and general cleaning.
E501 Potassium carbonates support removal of oily soils and kitchen residues.
E501 Potassium carbonates help neutralize acidic stains in some cleaning tasks.
E501 Potassium carbonates are used in industrial cleaning for degreasing metal parts.
E501 Potassium carbonates support alkaline cleaning baths in maintenance operations.
E501 Potassium carbonates help improve removal of oils before coating or plating.
E501 Potassium carbonates are used in water treatment to raise pH and alkalinity.
E501 Potassium carbonates support pH correction in municipal and industrial water systems.
E501 Potassium carbonates help optimize coagulation and corrosion control programs.
E501 Potassium carbonates are used in swimming pool treatment to increase total alkalinity.
E501 Potassium carbonates support stabilization of pool pH.
E501 Potassium carbonates help improve swimmer comfort and reduce corrosion risk.
E501 Potassium carbonates are used in boiler water treatment to control alkalinity and reduce corrosion risk in some programs.
E501 Potassium carbonates support pH control to minimize acidic corrosion.
E501 Potassium carbonates help stabilize boiler chemistry when properly monitored.
E501 Potassium carbonates are used in cooling water systems to adjust alkalinity in some applications.
E501 Potassium carbonates support stable pH control in recirculating loops.
E501 Potassium carbonates help improve performance of treatment programs under defined conditions.
E501 Potassium carbonates are used in glass manufacturing as raw materials for specialty glasses in some compositions.
E501 Potassium carbonates support fluxing and melting behavior in certain glass recipes.
E501 Potassium carbonates help improve optical and chemical properties in some specialty glasses.
E501 Potassium carbonates are used in specialty glass and ceramics to adjust alkali content in formulations.
E501 Potassium carbonates support controlled composition and melting behavior.
E501 Potassium carbonates help improve product quality in selected ceramic bodies.
E501 Potassium carbonates are used in soap and personal care manufacturing as alkaline reagents in some processes.
E501 Potassium carbonates support pH adjustment in liquid soap systems.
E501 Potassium carbonates help improve processing control in selected formulations.
E501 Potassium carbonates are used in potassium silicate production and chemical manufacturing.
E501 Potassium carbonates support synthesis routes requiring potassium alkalinity.
E501 Potassium carbonates help provide cost-effective alkaline feedstock in industrial reactions.
E501 Potassium carbonates are used in CO2 capture systems as carbonate-based absorbents in some applications.
E501 Potassium carbonates support absorption of CO2 in hot carbonate processes.
E501 Potassium carbonates help enable regeneration-based CO2 capture under industrial conditions.
E501 Potassium carbonates are used in gas purification to remove CO2 from process gases in some systems.
E501 Potassium carbonates support chemical absorption and stripping cycles.
E501 Potassium carbonates help improve gas quality for downstream processes.
E501 Potassium carbonates are used in pH control for chemical synthesis and processing operations.
E501 Potassium carbonates support neutralization reactions and carbonate buffering.
E501 Potassium carbonates help avoid chloride introduction compared with some alternative bases.
E501 Potassium carbonates are used as bases in organic synthesis for deprotonation and carbonate-mediated reactions.
E501 Potassium carbonates support mild basic conditions in some solvent systems.
E501 Potassium carbonates help improve selectivity in certain organic transformations.
E501 Potassium carbonates are used in catalyst preparation and activation steps in some processes.
E501 Potassium carbonates support formation of potassium-promoted catalysts in selected applications.
E501 Potassium carbonates help improve catalytic performance in certain reactions.
E501 Potassium carbonates are used in laboratory chemistry as standard alkaline reagents.
E501 Potassium carbonates support preparation of carbonate buffers.
E501 Potassium carbonates help neutralize acids in analytical procedures.
E501 Potassium carbonates are used in analytical chemistry for titration standards and alkalinity testing.
E501 Potassium carbonates support calibration and standard solution preparation.
E501 Potassium carbonates help verify acid concentration in laboratory work.
E501 Potassium carbonates are used in product development to tune alkalinity, leavening, and browning in baked goods.
E501 Potassium carbonates support optimization of texture, color, and flavor outcomes.
E501 Potassium carbonates help improve process robustness across different flour and water conditions.
E501 Potassium carbonates are used in manufacturing troubleshooting to correct pH-related defects in cleaning and processing.
E501 Potassium carbonates support rapid alkalinity adjustment to meet specifications.
E501 Potassium carbonates help prevent corrosion and stability issues caused by low alkalinity.
DESCRIPTION
E501 Potassium Carbonates include potassium carbonate and potassium hydrogen carbonate, and both salts provide alkalinity and can release carbon dioxide under suitable conditions.
E501 Potassium Carbonates function as leavening agents because potassium hydrogen carbonate reacts with acids to release carbon dioxide, and potassium carbonate contributes alkalinity and can support gas release behavior depending on system design.
E501 Potassium Carbonates influence flavor and color because alkaline conditions can accelerate Maillard browning and change taste perception, so formulation control is important.
E501 Potassium Carbonates are widely used because E501 Potassium Carbonates are effective and easy to handle in dry blending operations, but potassium salts can taste different from sodium salts in some products.
E501 Potassium Carbonates should be used according to applicable food additive regulations and good manufacturing practices for the target market.
E501 Potassium Carbonates should be balanced with appropriate acids because excess carbonate can produce soapy taste and elevated pH in finished products.
E501 Potassium Carbonates are typically supplied as white powders with defined purity and particle size, and consistent particle size supports predictable reaction rate.
E501 Potassium Carbonates can absorb moisture and cake in humid conditions, so containers should be kept tightly closed.
E501 Potassium Carbonates should be stored away from strong acids and protected from contamination to maintain performance.
E501 Potassium carbonates include potassium carbonate and related carbonate forms used as food additives and industrial chemicals.
E501 Potassium carbonates are typically white crystalline powders or granules with strong alkaline character in water.
E501 Potassium carbonates dissolve in water to produce carbonate and bicarbonate equilibria that provide buffering and alkalinity.
E501 Potassium carbonates are widely used in food for leavening, pH adjustment, and browning control in baked goods and cocoa alkalization.
E501 Potassium carbonates are also important industrial chemicals used in glass making, detergents, and gas treatment.
E501 Potassium carbonates can soften water by precipitating calcium and magnesium as insoluble carbonates under suitable conditions.
E501 Potassium carbonates can be irritating to skin and eyes at higher concentrations because of alkalinity.
E501 Potassium carbonates should be stored in tightly closed containers in a dry place to prevent moisture pickup and caking.
E501 Potassium carbonates are valued for strong alkalinity, buffering, and broad usefulness across food and industrial applications.
PROPERTIES
Common Name: E501 Potassium Carbonates
Chemical Type: Carbonate salts; acidity regulator; raising agent; pH regulator; potassium source
Appearance: White crystalline powder
Odor: Odorless
Taste: Mild salty; alkaline note possible; potassium note possible at higher dosages
Solubility: Soluble in water (potassium carbonate and potassium bicarbonate)
pH Behavior: Alkaline; pH depends on carbonate type and concentration
Functional Effects: Leavening (CO2 generation), alkalinity control, pH adjustment, browning influence
Thermal Behavior: Potassium bicarbonate decomposes on heating releasing CO2; potassium carbonate is more thermally stable
Hygroscopicity: Moderate; potassium carbonate is hygroscopic and requires moisture-protected storage
Stability: Stable under normal storage; reacts with acids releasing CO2
Storage Temperature: 15–30°C, tightly closed, dry
Shelf Life: Typically 24–60 months in original sealed packaging (supplier dependent)
FIRST AID
Inhalation:
Move to fresh air if dust is inhaled.
Seek medical attention if respiratory irritation persists.
Avoid breathing dust during powder handling.
Skin Contact:
Wash with soap and water after contact.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation develops or persists.
Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Seek medical attention if discomfort occurs or if a large amount is swallowed.
Never give anything by mouth to an unconscious person.
Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Use appropriate PPE including gloves and safety glasses for bulk handling.
Avoid generating dust and avoid inhalation of fine powder.
Prevent contact with strong acids during storage and handling to avoid uncontrolled gas release.
Ventilation:
Use general ventilation for normal handling.
Use local exhaust where dust may be generated during powder transfer.
Minimize airborne particulate accumulation in enclosed areas.
Storage:
Store in tightly closed containers in a cool, dry place.
Protect from moisture to prevent caking and maintain free-flowing behavior.
Keep away from strong acids and incompatible chemicals.
Spill and Leak Procedures:
Sweep up spilled powder and avoid dust generation.
Collect into suitable containers for reuse or disposal according to local regulations.
Clean residues with water if needed and dry the area to prevent slip hazards.
Handling Precautions:
Balance E501 Potassium Carbonates with suitable acids because leavening and taste depend on correct acid-base ratio and complete neutralization.
Evaluate potassium taste impact because potassium salts can introduce bitter or metallic notes at higher usage levels in some products.
Rotate stock using FIFO practices to maintain consistent quality and predictable leavening performance.
