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E263 Calcium Acetate is the calcium salt of acetic acid used in food and beverage applications as an acidity regulator and buffering agent, and E263 Calcium Acetate is valued for supporting pH control and functional stability in formulated products while also providing a calcium source.
E263 Calcium Acetate can contribute to preservative support by helping maintain an acidic environment when used with appropriate formulation strategies, and E263 Calcium Acetate is used in processed foods where controlled acidity and ionic balance are needed.
E263 Calcium Acetate is typically supplied as a white crystalline powder or granules and dissolves in water to form acetate buffering systems, and E263 Calcium Acetate performance depends on dosage, target pH, and interaction with other salts and acids.
CAS Number: 62-54-4
EC Number: 200-540-9
Molecular Formula: C4H6CaO4
Molecular Weight: 158.17 g/mol
Synonyms: E263 Calcium Acetate, Calcium Acetate, Calcium Ethanoate, Acetic Acid Calcium Salt, Calcium Acetate Food Grade, Calcium Acetate Buffer Salt, E263, Calcium Acetate Acidity Regulator, Calcium Salt of Acetic Acid, Calcium Acetate Additive, Calcium Acetate pH Buffer, Calcium Acetate Granular, 262 Sodium Acetate, Sodium Acetate, Acetic Acid Sodium Salt, Sodium Salt of Acetic Acid, Sodium Ethanoate, Acetate of Soda, Sodium Monoacetate, Monosodium Acetate, Sodium Acetate Anhydrous, Sodium Acetate Trihydrate, Sodium Acetate FCC, Sodium Acetate USP, Sodium Acetate BP, Sodium Acetate EP, Sodium Acetate JP, Sodium Acetate NF, Sodium Acetate Food Grade, Sodium Acetate Technical Grade, Sodium Acetate Pharmaceutical Grade, Sodium Acetate Industrial Grade, Sodium Acetate Reagent Grade, Sodium Acetate Analytical Grade, Sodium Acetate Laboratory Grade, Sodium Acetate Pure, Sodium Acetate High Purity, Sodium Acetate Powder, Sodium Acetate White Powder, Sodium Acetate Crystalline Powder, Sodium Acetate Granular, Sodium Acetate Crystals, Sodium Acetate Solution, Sodium Acetate Liquid, Sodium Acetate Food Additive, Sodium Acetate Preservative, Sodium Acetate Acidity Regulator, Sodium Acetate pH Regulator, Sodium Acetate Buffering Agent, Sodium Acetate Buffer Salt, Sodium Acetate Buffer Component, Sodium Acetate Neutralizing Agent, Sodium Acetate Processing Aid, Sodium Acetate Stabilizer, Sodium Acetate Chemical Intermediate, Sodium Acetate Organic Salt, Sodium Acetate Carboxylate, Sodium Acetate Water Soluble Salt, Sodium Acetate Hygroscopic Salt, Sodium Acetate CAS 127-09-3, CH3COONa, C2H3NaO2, NaOAc, Sodium Acetate CH3COONa, Sodium Acetate C2H3NaO2, Sodium Acetate NaOAc, INS 262, E 262, Sodium Acetate E262
APPLICATIONS
E263 Calcium Acetate is used in bakery products to support pH adjustment and to influence leavening reactions in compatible systems.
E263 Calcium Acetate is incorporated into dough systems where controlled acidity supports processing and flavor.
E263 Calcium Acetate is used in baked snacks to help balance sourness and maintain stable pH in seasoning systems.
E263 Calcium Acetate is used in sauces and condiments to adjust acidity and maintain consistent pH during shelf life.
E263 Calcium Acetate is incorporated into salad dressings to provide buffering and stabilize acid systems.
E263 Calcium Acetate is used in mayonnaise-type products to help manage pH and formulation stability.
E263 Calcium Acetate is used in pickled foods and brines as part of buffering systems to manage acidity and flavor balance.
E263 Calcium Acetate is incorporated into vinegar-based brines to stabilize pH and reduce excessive sharpness.
E263 Calcium Acetate is used in vegetable pickles to support consistent acid profile across batches.
E263 Calcium Acetate is used in processed meats to support pH control and improve flavor balance in cured and cooked products.
E263 Calcium Acetate is incorporated into meat brines to support ionic strength and product stability in compatible formulations.
E263 Calcium Acetate is used in marinades to buffer acidity and maintain consistent taste and performance.
E263 Calcium Acetate is used in calcium-fortified foods to contribute calcium while supporting acidity regulation.
E263 Calcium Acetate is incorporated into nutrition products to provide calcium with good handling in dry mixes.
E263 Calcium Acetate is used in functional foods where calcium addition and buffering are both desired.
E263 Calcium Acetate is used in dairy-based sauces and processed cheese systems to support buffering and improve texture stability in compatible designs.
E263 Calcium Acetate is incorporated into dairy preparations to help maintain desired pH and reduce separation risk.
E263 Calcium Acetate is used in plant-based sauces to support stable acidity and consistent taste.
E263 Calcium Acetate is used in beverage formulations in some applications to adjust acidity and support buffering in flavored drinks.
E263 Calcium Acetate is incorporated into syrups and concentrates to stabilize pH for flavor consistency.
E263 Calcium Acetate is used in functional beverages where calcium contribution and buffering may be desirable in compatible designs.
E263 Calcium Acetate is valued because E263 Calcium Acetate provides effective buffering and acidity control while also contributing calcium, supporting stable flavor, processing robustness, and consistent product quality.
E263 Calcium acetate is used as an acidity regulator in food to control pH and flavor.
E263 Calcium acetate supports buffering with acetic acid to maintain stable acidity.
E263 Calcium acetate helps improve microbial stability by supporting target pH conditions.
E263 Calcium acetate is used as a firming support salt in some fruit and vegetable processing applications.
E263 Calcium acetate supports calcium availability that can help strengthen pectin networks in some systems.
E263 Calcium acetate helps improve texture retention in certain processed produce products.
E263 Calcium acetate is used in pickling and brining processes to support texture and pH control in some recipes.
E263 Calcium acetate supports stable acidity when paired with acetic acid or vinegar.
E263 Calcium acetate helps reduce softening of pickled vegetables in some formulations.
E263 Calcium acetate is used in sauces and dressings as a pH adjuster and buffer component.
E263 Calcium acetate supports stable acidity and flavor balance in acidified sauces.
E263 Calcium acetate helps improve preservative effectiveness by supporting pH targets.
E263 Calcium acetate is used in mayonnaise-type sauces to stabilize pH in some recipes.
E263 Calcium acetate supports tangy flavor profile when paired with acetic acid or vinegar.
E263 Calcium acetate helps reduce pH drift during storage of sauces.
E263 Calcium acetate is used in dairy-based dips and spreads to support stable pH and flavor.
E263 Calcium acetate supports consistent tang in dips and cream-based sauces.
E263 Calcium acetate helps reduce separation risk by stabilizing ionic conditions in some emulsions.
E263 Calcium acetate is used in cheese products and processed cheese sauces as a buffering salt in some applications.
E263 Calcium acetate supports pH adjustment and flavor balance in cheese sauces.
E263 Calcium acetate helps improve stability of pH-sensitive ingredients in some dairy systems.
E263 Calcium acetate is used in bakery as a buffering component in some formulations.
E263 Calcium acetate supports controlled acidity in batters and doughs.
E263 Calcium acetate helps stabilize flavor and process performance in some baked goods.
E263 Calcium acetate is used in snack seasonings to provide acid-salt balance and improved flavor in some blends.
E263 Calcium acetate supports mild tangy notes in seasoning systems.
E263 Calcium acetate helps reduce sodium content when used as part of a salt replacement strategy in some products.
E263 Calcium acetate is used in functional foods to supply calcium while managing sodium reduction strategies in some products.
E263 Calcium acetate supports mineral fortification approaches when permitted and appropriate.
E263 Calcium acetate helps maintain acceptable taste in fortified foods.
E263 Calcium acetate is used in dietary supplements as a calcium source in some formulations.
E263 Calcium acetate supports calcium delivery in tablets, capsules, or powders.
E263 Calcium acetate helps provide a soluble calcium salt option compared with less soluble alternatives.
E263 Calcium acetate is used in pharmaceutical formulations as a calcium source and buffering component in some products.
E263 Calcium acetate supports pH adjustment and ionic strength control in solutions.
E263 Calcium acetate helps maintain stability of pH-sensitive actives in some formulations.
E263 Calcium acetate is used in laboratory buffers as a calcium-containing acetate salt in some studies.
E263 Calcium acetate supports controlled ionic strength and pH conditions in research.
E263 Calcium acetate helps evaluate calcium effects on proteins and enzymes in biochemical experiments.
E263 Calcium acetate is used in chemical synthesis as a source of acetate ions and calcium ions.
E263 Calcium acetate supports acetate chemistry in some organic reactions.
E263 Calcium acetate helps provide mild buffering and salt effects in selected processes.
E263 Calcium acetate is used in catalysts and reaction media where acetate salts are beneficial in some industrial syntheses.
E263 Calcium acetate supports control of reaction environment in certain transformations.
E263 Calcium acetate helps improve selectivity in some acetate-mediated processes.
E263 Calcium acetate is used in textile processing as a buffering and salt component in some dyeing operations.
E263 Calcium acetate supports pH control and consistent dye uptake in selected processes.
E263 Calcium acetate helps reduce shade variation by stabilizing bath conditions.
E263 Calcium acetate is used in leather processing as a buffering and salt component in some steps.
E263 Calcium acetate supports controlled pH conditions for processing baths.
E263 Calcium acetate helps improve consistency of leather processing outcomes.
E263 Calcium acetate is used in wastewater treatment as a carbon source in some biological denitrification processes.
E263 Calcium acetate supports microbial reduction of nitrates under controlled conditions.
E263 Calcium acetate helps improve denitrification performance in some treatment plants.
E263 Calcium acetate is used in industrial wastewater systems to supply biodegradable carbon for nutrient removal.
E263 Calcium acetate supports biological treatment performance in low-carbon waste streams.
E263 Calcium acetate helps reduce nitrate and nitrite levels in effluent under controlled operation.
E263 Calcium acetate is used in water treatment to adjust alkalinity and provide acetate carbon in some processes.
E263 Calcium acetate supports process tuning in specialized water treatment systems.
E263 Calcium acetate helps improve stability of treatment performance in selected applications.
E263 Calcium acetate is used in oil and gas applications as a component of acetate brines in some completion fluids.
E263 Calcium acetate supports brine properties such as density and compatibility in certain formulations.
E263 Calcium acetate helps reduce corrosion compared with some chloride brines in selected contexts.
E263 Calcium acetate is used in drilling and completion fluids to provide calcium-based brine performance in some systems.
E263 Calcium acetate supports formation compatibility and reduced solids precipitation in some designs.
E263 Calcium acetate helps maintain fluid clarity under defined conditions.
E263 Calcium acetate is used in concrete and construction as a set accelerator component in some admixture systems.
E263 Calcium acetate supports cold-weather concreting by accelerating hydration in certain formulations.
E263 Calcium acetate helps reduce early-age freezing risk during curing in some conditions.
E263 Calcium acetate is used in cementitious systems to modify setting time in some specialty applications.
E263 Calcium acetate supports controlled acceleration for fast-turnaround construction.
E263 Calcium acetate helps improve productivity in cold or time-sensitive pours.
E263 Calcium acetate is used as a de-icing chemical in some applications where chloride reduction is desired.
E263 Calcium acetate supports ice melting and anti-icing performance on sensitive surfaces.
E263 Calcium acetate helps reduce corrosion risk compared with chloride salts in some infrastructures.
E263 Calcium acetate is used in airport and bridge deicing programs in some regions as a chloride alternative.
E263 Calcium acetate supports effective deicing at low temperatures.
E263 Calcium acetate helps reduce metal corrosion and environmental chloride loading in some contexts.
E263 Calcium acetate is used in product development to tune buffer systems for flavor, pH, and mineral fortification.
E263 Calcium acetate supports optimization of pH targets with calcium contribution.
E263 Calcium acetate helps improve stability and labeling goals when properly formulated.
E263 Calcium acetate is used in manufacturing troubleshooting to correct pH drift in buffered products.
E263 Calcium acetate supports rapid adjustment to meet specification pH.
E263 Calcium acetate helps prevent spoilage and off-flavor issues caused by incorrect acidity.
DESCRIPTION
E263 Calcium Acetate is the calcium salt of acetic acid, and E263 Calcium Acetate functions as an acidity regulator by contributing acetate ions that participate in buffering systems with acetic acid.
E263 Calcium Acetate helps stabilize pH, and stable pH supports consistent flavor, processing behavior, and product quality across shelf life.
E263 Calcium Acetate can act as a calcium source, and calcium salts can influence taste and ionic behavior differently than sodium or potassium salts, so formulation testing is important.
E263 Calcium Acetate is moderately soluble in water compared with sodium and potassium acetates, and this solubility difference can affect dissolution rate and use strategy in dry mixes and brines.
E263 Calcium Acetate should be used according to applicable food additive regulations and good manufacturing practices for the target market.
E263 Calcium Acetate should be dosed carefully because excessive acetate salts can affect flavor and can shift pH outside the desired range.
E263 Calcium Acetate is typically supplied as a white crystalline powder or granules, and E263 Calcium Acetate should be protected from moisture to prevent caking.
E263 Calcium Acetate should be stored in tightly closed containers in a cool, dry place away from strong odors and contaminants.
E263 Calcium Acetate should be handled with good hygiene and dust control practices during bulk powder processing.
E263 Calcium acetate is the calcium salt of acetic acid and is used as a food additive for acidity regulation.
E263 Calcium acetate is typically a white crystalline powder or granules with good water solubility.
E263 Calcium acetate provides acetate ions for buffering and calcium ions for mineral contribution.
E263 Calcium acetate is commonly used with acetic acid to form acetate buffer systems that resist pH change.
E263 Calcium acetate can support calcium fortification and can influence texture in pectin-containing systems.
E263 Calcium acetate taste and functionality depend on concentration and the presence of other acids and salts.
E263 Calcium acetate is also used outside food in wastewater treatment, acetate brines, and some construction applications.
E263 Calcium acetate can be considered less corrosive than chloride salts in some deicing and brine uses, but compatibility testing is important.
E263 Calcium acetate should be stored in tightly closed containers in a dry place because it can absorb moisture.
E263 Calcium acetate is valued for buffering, versatility, and broad use across food and industrial applications.
PROPERTIES
Chemical Formula: C4H6CaO4
Molecular Weight: 158.17 g/mol
Common Name: E263 Calcium Acetate
Chemical Type: Acetate salt; acidity regulator; buffering agent; calcium source
Appearance: White crystalline powder or granules
Odor: Odorless
Taste: Mild salty with acetate note (concentration dependent)
Solubility: Soluble in water (moderate; temperature dependent)
pH Behavior: Forms buffer with acetic acid; solution pH depends on concentration and system composition
Thermal Behavior: Stable under normal conditions; decomposes at high temperature
Hygroscopicity: Slightly hygroscopic; moisture control needed for powder storage
Stability: Stable under normal storage; avoid strong oxidizers; reacts with strong acids to release acetic acid
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.
Maintain good hygiene and clean-up practices in handling areas.
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 containers properly labeled and protected from contamination.
Spill and Leak Procedures:
Sweep up spilled material 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:
Optimize buffer design by balancing E263 Calcium Acetate with acetic acid to achieve target pH and desired flavor profile.
Evaluate sensory and texture impact because calcium salts can influence taste and interact with some hydrocolloids and proteins.
Rotate stock using FIFO practices to maintain consistent quality and predictable buffering performance.
