CALCIUM BENZOATE

Calcium Benzoate is the calcium salt of benzoic acid and is used as an antimicrobial preservative to inhibit yeasts, molds, and some bacteria in acidic foods, beverages, cosmetics, and pharmaceutical preparations.
Calcium Benzoate is valued because Calcium Benzoate provides benzoate preservation chemistry while also contributing calcium, and Calcium Benzoate can be selected when sodium reduction or specific ionic balance goals are desired.
Calcium Benzoate works best in acidic conditions where benzoic acid is present in the undissociated form, so Calcium Benzoate use requires pH control and formulation validation to achieve reliable shelf-life performance.

CAS Number: 2090-05-3
EC Number: 218-218-7
Molecular Formula: Ca(C7H5O2)2
Molecular Weight: 282.29 g/mol

Synonyms: Calcium Benzoate, Benzoic Acid Calcium Salt, Calcium Dibenzenecarboxylate, Calcium Benzoate Preservative, Calcium Benzoate Food Grade, Calcium Benzoate Powder, Calcium Benzoate Granular, Calcium Benzoate Antimicrobial, Calcium Benzoate Beverage Preservative, Calcium Benzoate Cosmetic Preservative, Calcium Benzoate Pharmaceutical Grade, Calcium Benzoate Reagent, Calcium Benzoate, Benzoic Acid Calcium Salt, Calcium Salt of Benzoic Acid, Calcium Dibenzoate, Dicalcium Benzoate, Calcium Bis(benzoate), Calcium Benzenecarboxylate, Calcium Phenylcarboxylate, Benzoate of Lime, Benzoate of Calcium, Calcium Benzoate FCC, Calcium Benzoate USP, Calcium Benzoate BP, Calcium Benzoate EP, Calcium Benzoate NF, Calcium Benzoate Food Grade, Calcium Benzoate Technical Grade, Calcium Benzoate Pharmaceutical Grade, Calcium Benzoate Industrial Grade, Calcium Benzoate Reagent Grade, Calcium Benzoate Analytical Grade, Calcium Benzoate Laboratory Grade, Calcium Benzoate Pure, Calcium Benzoate Powder, Calcium Benzoate Granular, Calcium Benzoate White Powder, Calcium Benzoate Crystalline, Calcium Benzoate Food Additive, Calcium Benzoate Preservative, Calcium Benzoate Food Preservative, Calcium Benzoate Beverage Preservative, Calcium Benzoate Antimicrobial, Calcium Benzoate Antifungal, Calcium Benzoate Stabilizer, Calcium Benzoate Feed Grade, Calcium Benzoate Feed Additive, Calcium Benzoate E213, E213, INS 213, Calcium Benzoate CAS 2090-05-3, Calcium Benzoate C14H10CaO4, C14H10CaO4, Ca(C7H5O2)2, Calcium Benzoate Ca(C7H5O2)2, Benzoic Acid Calcium Dihydrate, Calcium Benzoate Hydrate, Dibenzoic Acid Calcium Salt, Calcium Salt of Dibenzene Carboxylate, Calcium Monobenzoate, Monocalcium Benzoate, Calcium Carboxybenzene, Calcium Benzoate Solution, Aqueous Calcium Benzoate, Calcium Benzoate Liquid, Calcium Benzoate High Purity, Calcium Benzoate Synthetic, Calcium Benzoate Additive Grade, Calcium Benzoate Pharma Grade, Calcium Benzoate Tech Grade, Calcium Benzoate FG, Calcium Benzoate Preservative Grade, Calcium Benzoate Cosmetic Grade, Calcium Benzoate Personal Care Grade, Calcium Benzoate Water Soluble, Calcium Benzoate Fine Powder, Calcium Benzoate White Crystals, Calcium Benzoate Anti-Yeast Agent, Calcium Benzoate Anti-Mold Agent, Calcium Benzoate Shelf Life Extender

APPLICATIONS

Calcium Benzoate is used in beverages to inhibit yeast and mold growth and improve shelf stability in acidic drinks.
Calcium Benzoate is incorporated into fruit drinks, flavored waters, and syrups to prevent fermentation and spoilage.
Calcium Benzoate is used in beverage concentrates to protect against microbial growth during storage and distribution.

Calcium Benzoate is used in sauces and condiments to improve microbial stability and reduce spoilage risk in acidified products.
Calcium Benzoate is incorporated into salad dressings to inhibit yeast growth in acidic emulsions.
Calcium Benzoate is used in pickles and vegetable brines to reduce spoilage in acidic preserved foods.

Calcium Benzoate is used in jams, jellies, and fruit preparations to inhibit yeast growth and extend shelf life after opening.
Calcium Benzoate is incorporated into fruit fillings and dessert toppings to reduce spoilage in high-sugar acidic systems.
Calcium Benzoate is used in fruit sauces to support preservation hurdles and stable storage.

Calcium Benzoate is used in bakery fillings and glazes to reduce yeast and mold growth in moist sweet systems.
Calcium Benzoate is incorporated into icing and fruit toppings to improve fungal stability in packaged products.
Calcium Benzoate is used in high-moisture bakery products to extend shelf life when pH allows effective preservation.

Calcium Benzoate is used in cosmetics and personal care as a preservative or preservative booster in compatible acidic formulations.
Calcium Benzoate is incorporated into lotions and creams where pH is controlled for preservative performance.
Calcium Benzoate is used in shampoos and cleansers in some markets as part of preservative systems compliant with local regulations.

Calcium Benzoate is used in pharmaceuticals as an antimicrobial preservative in syrups and oral liquids in compatible pH ranges.
Calcium Benzoate is incorporated into topical preparations to improve microbial stability and prevent spoilage during storage.
Calcium Benzoate is used in mouthwashes and oral liquids where preservation of aqueous systems is required.

Calcium Benzoate is used in reduced-sodium product development where sodium benzoate reduction is desired while maintaining benzoate preservation chemistry.
Calcium Benzoate is incorporated into “low sodium” beverage and sauce systems to maintain preservative performance.
Calcium Benzoate is used in formulations where calcium labeling and ionic balance are preferred.

Calcium Benzoate is used in fortified products where benzoate preservation and calcium contribution are both considered in formulation goals.
Calcium Benzoate is incorporated into dry mixes and premixes in some cases where preservative protection is needed and solubility is acceptable.
Calcium Benzoate is used in multi-hurdle preservation strategies alongside pH control, packaging, and sanitation.

Calcium Benzoate is valued because Calcium Benzoate provides effective benzoate preservation and supports sodium reduction strategies, but Calcium Benzoate solubility and calcium interactions must be managed carefully in sensitive formulations.

Calcium Benzoate is used as a preservative in acidic foods and beverages.
Calcium Benzoate inhibits yeasts and molds most effectively at low pH.
Calcium Benzoate helps extend shelf life in products prone to microbial spoilage.

Calcium Benzoate is used in fruit juices and juice drinks to control yeast spoilage.
Calcium Benzoate supports stability of acidic juice blends during distribution and storage.
Calcium Benzoate helps prevent fermentation, haze, and package swelling caused by yeast growth.

Calcium Benzoate is used in carbonated and non-carbonated soft drinks as an antimicrobial preservative.
Calcium Benzoate supports microbial stability in flavored sodas and sparkling beverages.
Calcium Benzoate helps reduce gas formation and off-flavors linked to yeast contamination.

Calcium Benzoate is used in flavored waters and sports drinks in some formulations.
Calcium Benzoate supports preservation of low-calorie beverages with added flavors and acids.
Calcium Benzoate helps prevent yeast growth that can cause cloudiness and off-odor.

Calcium Benzoate is used in ready-to-drink teas and acidified herbal drinks to inhibit spoilage organisms.
Calcium Benzoate supports shelf stability of sweetened tea beverages in acidic systems.
Calcium Benzoate helps reduce risk of unintended fermentation during storage.

Calcium Benzoate is used in salad dressings and emulsified sauces with acidic formulations.
Calcium Benzoate supports control of yeast and mold growth in dressings and sauces.
Calcium Benzoate helps extend shelf life after opening in some products.

Calcium Benzoate is used in ketchup, tomato sauces, and condiment sauces to inhibit spoilage organisms.
Calcium Benzoate supports preservation of tomato-based products with acidic pH.
Calcium Benzoate helps prevent surface mold growth and fermentation in condiments.

Calcium Benzoate is used in pickles and pickling brines to support microbial stability.
Calcium Benzoate supports protection of acidified vegetables from yeast spoilage.
Calcium Benzoate helps maintain clarity and flavor stability in brined products.

Calcium Benzoate is used in jams, jellies, and fruit spreads to inhibit molds and yeasts.
Calcium Benzoate supports shelf life extension in sweet, acidic preserves.
Calcium Benzoate helps reduce surface mold formation in opened jars in some systems.

Calcium Benzoate is used in syrups and flavored concentrates to prevent microbial growth.
Calcium Benzoate supports stability of beverage syrups during storage.
Calcium Benzoate helps prevent yeast fermentation in sugar-containing concentrates.

Calcium Benzoate is used in confectionery fillings and fruit preparations to control yeast spoilage.
Calcium Benzoate supports stability of acidic fruit fillings used in bakery and desserts.
Calcium Benzoate helps prevent gas formation and off-odors in fillings.

Calcium Benzoate is used in bakery products that include acidic, high-moisture components in some formulations.
Calcium Benzoate supports mold inhibition in certain packaged baked goods.
Calcium Benzoate helps extend shelf life when water activity and pH conditions allow.

Calcium Benzoate is used in tortillas and flatbreads in some markets to reduce mold growth in acidified systems.
Calcium Benzoate supports extended shelf life in packaged breads with suitable acidity.
Calcium Benzoate helps reduce spoilage-related returns in distribution chains.

Calcium Benzoate is used in fermented vegetable products and acidic sauces to control surface yeasts.
Calcium Benzoate supports stability when post-processing contamination risk exists.
Calcium Benzoate helps reduce film yeast formation and surface spoilage.

Calcium Benzoate is used in dairy-based beverages that are acidified and flavored in some systems.
Calcium Benzoate supports yeast and mold control in acidic dairy drinks.
Calcium Benzoate helps reduce spoilage risk when cold chain is imperfect.

Calcium Benzoate is used in plant-based beverages with acidic flavor systems to reduce microbial spoilage.
Calcium Benzoate supports shelf stability of flavored plant-based drinks with controlled pH.
Calcium Benzoate helps reduce yeast growth that causes haze and off-odors.

Calcium Benzoate is used in food preservation programs where calcium salts are preferred for ionic balance in some formulations.
Calcium Benzoate supports preservation while contributing calcium instead of sodium.
Calcium Benzoate helps maintain preservative function based on benzoate chemistry in acidic systems.

Calcium Benzoate is used in product development to support reduced sodium labeling compared with sodium benzoate in some cases.
Calcium Benzoate supports sodium reduction strategies while maintaining benzoate preservation approach.
Calcium Benzoate helps meet shelf life targets when pH is optimized.

Calcium Benzoate is used in combination with potassium sorbate to broaden antimicrobial protection in acidic products.
Calcium Benzoate supports stronger yeast and mold control when combined with sorbates.
Calcium Benzoate helps improve preservation robustness in multi-hurdle systems.

Calcium Benzoate is used in export foods and beverages to meet shelf-life targets during long logistics chains.
Calcium Benzoate supports stability in warm transport conditions when pH is controlled.
Calcium Benzoate helps reduce spoilage-related returns and waste.

Calcium Benzoate is used in cosmetic formulations as a preservative component in some systems where permitted and pH is controlled.
Calcium Benzoate supports microbial protection in water-based products under suitable acidic conditions.
Calcium Benzoate helps reduce growth of yeasts and molds in cosmetics during shelf life.

DESCRIPTION

Calcium Benzoate is a white crystalline powder that is less soluble in water than sodium benzoate or potassium benzoate, so Calcium Benzoate may require more mixing and careful dispersion in liquid products.
Calcium Benzoate functions by releasing benzoic acid in solution, and preservative effectiveness increases at lower pH where more undissociated benzoic acid is present.
Calcium Benzoate inhibits microbial growth by interfering with cell membrane transport and internal pH balance, and Calcium Benzoate is especially effective against yeasts and molds in acidic foods and beverages.

Calcium Benzoate has limited effectiveness against many bacteria unless combined with other hurdles, so Calcium Benzoate is often used with low pH, refrigeration, and good hygiene.
Calcium Benzoate can interact with certain ingredients, and calcium ions can influence emulsion stability, pectin gels, and phosphate systems, so formulation testing is important.
Calcium Benzoate should be dosed carefully because excessive Calcium Benzoate can affect taste and can interfere with fermentation where live cultures are desired.

Calcium Benzoate should be stored in tightly closed containers in a cool, dry place protected from moisture and contamination.
Calcium Benzoate dust can irritate eyes and respiratory tract, so dust control and appropriate PPE are recommended during handling.
Calcium Benzoate should be used according to applicable food additive, cosmetic, and pharmaceutical regulations for the target market.

PROPERTIES

Chemical Formula: Ca(C7H5O2)2
Molecular Weight: 282.29 g/mol
Common Name: Calcium Benzoate
Chemical Type: Benzoate salt; preservative
Appearance: White crystalline powder or granules
Odor: Odorless
Solubility: Slightly to moderately soluble in water (lower than sodium benzoate); solubility improves in acidic systems (system dependent)
pKa (benzoic acid): ~4.20 (typical; governs activity vs pH)
Preservative Activity: Strong in acidic systems; best performance at low pH
Stability: Stable under recommended storage; avoid strong oxidizers and contamination
Typical Use: Food and beverage preservative; cosmetic preservative booster; pharma preservative (market dependent)
Storage Temperature: 10–25°C, dry, tightly closed
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 weighing and powder transfer.

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 based on exposure route and symptoms.

HANDLING AND STORAGE

Handling:
Use appropriate PPE including gloves and safety glasses, and use dust protection as needed.
Avoid generating dust and avoid inhalation of fine powder.
Wash hands after handling and before eating, drinking, or smoking.

Ventilation:
Use local exhaust or general ventilation where dust may be generated.
Maintain good airflow during weighing, charging, and blending operations.
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 wet wiping if needed to reduce airborne dust.

Handling Precautions:
Control pH and preservative system design because Calcium Benzoate effectiveness depends on formation of undissociated benzoic acid in acidic products.
Evaluate solubility and calcium interactions in beverages, gels, and emulsions because calcium can change stability and texture.
Rotate stock using FIFO practices to maintain consistent quality and predictable preservative performance.