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E509 Calcium chloride is the hydrate form of calcium chloride. Calcium chloride is an inorganic compound consisting of calcium and chloride.
E509 Calcium chloride has various kinds of applications.
E509 Calcium chloride can be used as a desiccant due to its high hygroscopicity; used for the deicing and dust control; for road surfacing; as brine for refrigeration plants, ice and cement; increasing the water hardness in the swimming pools; as a food additives; increasing the cell membrane permeability to facilitate the genetic transformation of cells; for the treatment of hypocalcemia in which the body requires a prompt increase in blood plasma calcium levels,
CAS Number: 10035-04-8
Molecular Formula: CaCl2H4O2
Molecular Weight: 147.01
EINECS Number: 600-075-5
Synonyms: Calcium chloride dihydrate, 10035-04-8, Calcium dichloride dihydrate, DTXSID6044195, CHEBI:86158, CALCIUM CHLORIDE DIHYDRATE, RefChem:573448, DTXCID4024195, Calcium chloride CaCl2 dihydrate, 640-414-4, Calcium chloride CaCl2 dihydrate 9CI, Calcium II chloride dihydrate, Sinjarite, Calciumchloridedihydrate, CaCl2·2H2O, calcium chloride-dihydrate, calcium dihydrate dichloride, SCHEMBL17794, CALCIUM CHLORIDE [II], CALCIUM CHLORIDE [FCC], CALCIUM CHLORIDE [VANDF], calcium chloride water 1/2, CALCAREA MURIATICA [HPUS], CALCIUM CHLORIDE [USP-RS], Calcium chloride water 1/2/2, Calcium chloride dihydrate ACS grade, AKOS015855359, CALCIUM CHLORIDE [ORANGE BOOK], CALCIUM CHLORIDE HYDRATE [JAN], CALCIUM CHLORIDE DIHYDRATE [MI], FC03199, CALCIUM CHLORIDE [USP MONOGRAPH], AS-89644, CALCIUM CHLORIDE DIHYDRATE [VANDF], CALCIUM CHLORIDE DIHYDRATE [WHO-DD], Calcium chloride dihydrate Biochemical grade, CALCIUM CHLORIDE DIHYDRATE [EP MONOGRAPH], F492443, Q29207042, Calcium chloride dihydrate Trace metals grade 99.98%, Calciumchloride,granular;calciumdichloridedihydrate;replenisher(calcium);CalciumChlorideDihydrateAr;CalciumChlorideDihydrateAcs/Usp;CalciumChloride,1MSterileSolution;CalciumChlorideDihydrateCaCl2*2H2O;Calciichloridumdihydricum,PhEur01/2005:0015
E509 Calcium chloride can be either produced directly from limestone or produced by the Solvary process as the by-product.
In addition, it can also be obtained by purification from brine.
E509 Calcium chloride is used for the production of brewer's yeast, as well as and calcium chloride (E509) which also splits protein to make cheese or condiments, helps gel jam, makes the peel of fruit and vegetables more resistant, is used in condensed milk and, like ammonium chloride (E510) and magnesium chloride.
E509 Calcium chloride is an inorganic calcium salt of hydrochloric acid with the chemical formula CaCl₂.
E509 Calcium chloride is widely used as a firming agent, stabilizer, desiccant, and electrolyte source in food, industrial, and technical applications.
It is highly soluble in water and strongly hygroscopic (absorbs moisture).
Chemically, E509 Calcium chloride consists of calcium ions (Ca²⁺) and chloride ions (Cl⁻).
E509 Calcium chloride dissociates completely in water, producing a highly conductive solution.
This gives it strong ionic activity.
Physically, E509 Calcium chloride appears as a white crystalline solid, flakes, pellets, or granules.
It is odorless and dissolves easily in water, releasing heat.
E509 Calcium chloride is very moisture-absorbing.
E509 Calcium chloride acts as a firming agent in foods, helping maintain structure in fruits and vegetables.
It strengthens cell walls by providing calcium ions.
This improves texture and firmness.
E509 Calcium chloride is used as a stabilizer in food processing, helping maintain consistency in products such as canned vegetables, cheese, and beverages.
It supports product integrity during storage.
This improves shelf stability.
E509 Calcium chloride functions as a coagulant in cheese production, helping milk proteins solidify during processing.
It supports curd formation.
E509 Calcium chloride improves dairy manufacturing efficiency.
E509 Calcium chloride is a strong desiccant (drying agent), as it absorbs moisture from air and materials.
This helps control humidity in packaging and industrial systems.
E509 Calcium chloride improves storage protection.
E509 Calcium chloride is best described as a highly soluble calcium salt used for firming, stabilizing, coagulating, and moisture control in food and industrial applications due to its strong ionic and hygroscopic properties.
E509 Calcium chloride is an inorganic compound, a salt with the chemical formula CaCl2.
E509 Calcium chloride is a white crystalline solid at room temperature, and it is highly soluble in water.
E509 Calcium chloride can be created by neutralising hydrochloric acid with calcium hydroxide.
E509 Calcium chloride is commonly encountered as a hydrated solid with generic formula CaCl2·nH2O, where n = 0, 1, 2, 4, and 6.
These compounds are mainly used for de-icing and dust control. Because the anhydrous salt is hygroscopic and deliquescent, it is used as a desiccant.
E509 Calcium chloride also plays a role in textural control in processed foods, where it helps maintain bite firmness and structural integrity during storage.
It slows down softening caused by heat treatment or aging.
E509 Calcium chloride is used in tofu production, where calcium chloride acts as a coagulant for soy proteins.
It helps solidify soy milk into curds.
This improves tofu texture and firmness.
In fruit juice and beverage clarification, it helps bind with certain compounds to improve clarity.
E509 Calcium chloride supports removal of suspended particles in processing.
This improves visual quality.
E509 Calcium chloride is used in cheese varieties beyond basic curd formation, where it helps standardize calcium content in milk.
E509 Calcium chloride ensures consistent coagulation performance.
This improves cheese yield and texture control.
In sports and electrolyte drinks, calcium chloride can contribute small amounts of calcium and chloride ions.
E509 Calcium chloride helps support mineral balance in formulations.
E509 Calcium chloride improves hydration functionality.
E509 Calcium chloride is used in laboratory and chemical applications as a drying agent for gases and solvents.
It removes moisture efficiently from non-aqueous systems.
E509 Calcium chloride improves experimental control.
In industrial drying systems, E509 Calcium chloride is used in desiccant packs and humidity control units.
E509 Calcium chloride absorbs atmospheric moisture rapidly.
This improves storage protection for sensitive goods.
Melting point: 30 °C
Density: 1.71 g/mL at 25 °C(lit.)
vapor pressure: 0.01 mm Hg (20 °C)
refractive index: ~1.358
storage temp.: Store at +15°C to +25°C.
solubility: H2O: 1 M at 20 °C, clear, colorless
form: Solid
Specific Gravity: 0.835
color: White to white-grayish
Odor: Odorless
PH Range: 5 - 8
PH: 4.5-8.5 (50g/l, H2O, 20℃)
Water Solubility: 1000 g/L (0 ºC)
Sensitive: Hygroscopic
λmax: λ: 260 nm Amax: 0.015; λ: 280 nm Amax: 0.012
Merck: 14,1659
Stability: Stable. Hygroscopic. Incompatible with vinylmethyl ether.
InChI: 1S/Ca.2ClH.2H2O/h;21H;21H2/q+2;;;;/p-2
InChIKey: LLSDKQJKOVVTOJ-UHFFFAOYSA-L
SMILES: O.O.Cl[Ca]Cl
LogP: -1.380 (est)
E509 Calcium chloride also plays an important role in electrolyte balance in food systems, since it provides readily available calcium ions.
These ions help maintain mineral balance in processed foods and beverages.
E509 Calcium chloride improves nutritional and functional stability.
E509 Calcium chloride is used in pickling and fermentation processes, where it helps maintain firmness of vegetables like cucumbers and peppers.
It prevents softening during fermentation or brining.
E509 Calcium chloride improves texture quality.
In dairy processing, E509 Calcium chloride is added to pasteurized milk to restore calcium balance lost during heat treatment.
This improves curd formation in cheese making.
E509 Calcium chloride enhances production consistency.
E509 Calcium chloride is used in beer brewing, where it adjusts water hardness and improves mash enzyme activity.
It influences flavor balance and fermentation performance.
E509 Calcium chloride improves beverage quality.
In canned and processed vegetables, E509 Calcium chloride helps maintain crisp texture during heat treatment.
It strengthens plant cell structure.
E509 Calcium chloride improves product appearance and bite.
E509 Calcium chloride is widely used in de-icing applications, where it melts ice and snow at lower temperatures than sodium chloride.
It works efficiently in cold climates.
E509 Calcium chloride improves road safety and maintenance.
In dust control on roads and industrial sites, E509 Calcium chloride absorbs moisture from the air and keeps surfaces damp.
E509 Calcium chloride reduces dust formation.
This improves environmental control.
E509 Calcium chloride is applied in oil and gas drilling fluids, where it helps control density and stability of drilling muds.
It supports wellbore pressure management.
E509 Calcium chloride improves extraction efficiency.
In construction materials, it can accelerate the setting of concrete.
E509 Calcium chloride speeds up hydration reactions in cement.
E509 Calcium chloride improves construction timelines.
In food preservation systems, E509 Calcium chloride helps maintain structural integrity of fruits and vegetables during storage.
It reduces softening and degradation.
E509 Calcium chloride improves shelf life.
E509 Calcium chloride is used across food processing, dairy production, brewing, fermentation, de-icing, dust control, construction, and industrial applications, mainly due to its strong calcium supply, firming action, moisture absorption, and ability to modify physical and chemical properties of materials.
E509 Calcium chloride is applied in road stabilization and soil treatment, where it binds fine particles and reduces dust dispersion.
It improves surface compaction in unpaved roads.
E509 Calcium chloride improves infrastructure durability.
In oilfield operations, it is used in completion and drilling fluids to control density and pressure.
It helps maintain well stability during extraction.
E509 Calcium chloride improves operational safety.
It is also used in refrigeration systems, particularly in older or industrial cooling brines.
E509 Calcium chloride lowers the freezing point of water-based solutions.
E509 Calcium chloride improves cooling efficiency.
E509 Calcium chloride is a highly versatile calcium salt used for firming, coagulation, moisture control, de-icing, drying, and industrial stabilization across food, beverage, construction, oilfield, and chemical systems due to its strong hygroscopic and ionic properties.
E509 Calcium chloride is a general purpose food additive, the anhydrous form being readily soluble in water with a solubility of 59 g in 100 ml of water at 0°C.
It dissolves with the liberation of heat.
E509 Calcium chloride also exists as calcium chloride dihydrate, being very soluble in water with a solubility of 97 g in 100 ml at 0°C.
E509 Calcium chloride is used as a firming agent for canned tomatoes, potatoes, and apple slices.
In evaporated milk, it is used at levels not more than 0.1 percent to adjust the salt balance so as to prevent coagulation of milk during sterilization.
E509 Calcium chloride is used with disodium EDTA to protect the favor in pickles and as a source of calcium ions for reaction with alginates to form gels.
Uses Of E509 Calcium chloride:
E509 Calcium chloride is an odourless white solid in the form of small flakes.
It is deliquescent (absorbs moisture from the air) and rapidly dissolves in water producing heat (exothermic).
It has many industrial applications and is commonly used to prevent dusting, as a drying agent and to melt ice.
E509 Calcium chloride is used in swimming pools and aquariums as a pH buffer and a rapid source of calcium ions.
E509 Calcium chloride is used in various applications within the food and beverage industries.
In the production of beer and soft drinks, E509 Calcium chloride is used as a source of calcium to regulate the hardness of water.
In the production of cheese, E509 Calcium chloride is used as a source of calcium.
E509 Calcium chloride is also used to increase the firmness of canned fruits and pickled vegetables.
E509 Calcium chloride is also used as a secondary cooling agent in various processes that operate according to food regulations.
E509 Calcium chloride is widely used as an ingredient in ceramic slipware, cosmetic and food items.
It acts as a pH buffer in swimming pool water.
E509 Calcium chloride provides inhibition of swelling clays in the water phase of invert emulsion drilling fluids.
E509 Calcium chloride is employed in the oil industry to increase the density of solids-free brines.
It is used as a flux in the Davy process for the manufacture of sodium through the electrolysis of molten sodium chloride.
E509 Calcium chloride finds an important application as an additive in plastics, fire extinguishers, blast furnaces and in wastewater treatment as a drainage aid.
E509 Calcium chloride is widely used in the food industry as a firming, stabilizing, and coagulating agent.
It helps maintain texture in processed fruits and vegetables.
E509 Calcium chloride improves product firmness and quality.
In pickled and canned vegetables, E509 Calcium chloride prevents softening during heat processing and storage.
E509 Calcium chloride strengthens plant cell structure.
This improves crunchiness and appearance.
In cheese and dairy production, E509 Calcium chloride is used to improve milk coagulation during curd formation.
It restores calcium balance after pasteurization.
E509 Calcium chloride improves cheese yield and texture.
In tofu production, E509 Calcium chloride acts as a coagulant for soy milk.
It helps form solid curds from liquid soy proteins.
E509 Calcium chloride improves tofu firmness and structure.
In beverage processing and juice clarification, it helps remove suspended particles and improve clarity.
E509 Calcium chloride supports filtration and stabilization.
E509 Calcium chloride improves visual quality.
E509 Calcium chloride is used in electrolyte and sports drinks, where it provides calcium and chloride ions.
It supports mineral balance in formulations.
E509 Calcium chloride improves nutritional function.
In food preservation, it helps maintain texture and stability of fruits and vegetables during storage.
E509 Calcium chloride reduces softening over time.
E509 Calcium chloride improves shelf life.
In brewing and fermentation, it adjusts water hardness and supports yeast activity.
It influences flavor development and fermentation performance.
This improves beverage quality.
Outside food, it is widely used in de-icing of roads and pavements.
E509 Calcium chloride lowers the freezing point of water more effectively than sodium chloride in cold conditions.
E509 Calcium chloride improves winter safety.
In dust control applications, it absorbs moisture and keeps road surfaces damp.
E509 Calcium chloride reduces airborne dust particles.
E509 Calcium chloride improves environmental conditions.
In construction, it is used to accelerate concrete setting and improve curing.
E509 Calcium chloride speeds up cement hydration reactions.
E509 Calcium chloride improves construction efficiency.
In oil and gas industry, it is used in drilling and completion fluids to control density and stability.
E509 Calcium chloride helps maintain well pressure.
E509 Calcium chloride improves extraction safety.
In industrial drying systems, it acts as a desiccant to remove moisture from air and gases.
E509 Calcium chloride protects materials from humidity damage.
This improves storage and processing conditions.
E509 Calcium chloride is used across food processing, dairy, tofu production, beverages, preservation, brewing, construction, oilfield operations, de-icing, and industrial drying due to its strong calcium supply, firming ability, moisture absorption, and ability to modify physical properties of materials.
E509 Calcium chloride is also used in emergency food preservation systems, where it helps maintain firmness of vegetables during long transport or storage.
It reduces tissue breakdown caused by time and temperature changes.
In vacuum-packed and ready-to-eat foods, it helps maintain structural integrity of ingredients.
E509 Calcium chloride prevents softening and texture loss in storage.
This improves product quality over time.
E509 Calcium chloride is used in cheese standardization processes, where it ensures consistent calcium levels in milk batches.
This improves uniform curd formation across production runs.
E509 Calcium chloride improves manufacturing consistency.
In fermented food production, calcium chloride supports controlled fermentation by stabilizing mineral balance.
E509 Calcium chloride helps maintain optimal conditions for microbial activity.
E509 Calcium chloride improves process reliability.
IE509 Calcium chloridet is used in canned fruit processing, where it keeps fruits like peaches, cherries, and pears firm after heat treatment.
E509 Calcium chloride prevents mushy texture during sterilization.
E509 Calcium chloride improves appearance and bite.
In brining solutions, it strengthens vegetable texture during pickling.
E509 Calcium chloride is commonly used in cucumbers and olives.
This improves crunch and firmness.
E509 Calcium chloride is applied in instant beverage powders and electrolyte blends, where it contributes calcium ions for nutritional balance.
It supports mineral fortification in drinks.
E509 Calcium chloride improves functional nutrition.
In oil drilling fluids, it is used to control viscosity and stabilize well conditions under high pressure.
It helps maintain fluid performance in deep drilling.
This improves operational safety.
In fire suppression systems (certain applications), calcium chloride is used in brine-based systems to lower freezing points.
This ensures system functionality in cold environments.
E509 Calcium chloride improves reliability.
E509 Calcium chloride is also used in laboratory humidity control, where it acts as a strong drying agent for air and gases.
It absorbs moisture efficiently from enclosed systems.
E509 Calcium chloride improves experimental precision.
E509 Calcium chloride is used across food preservation, dairy, cheese, tofu, beverages, fermentation, construction, oilfield operations, de-icing, and industrial drying systems, mainly due to its strong calcium content, firming action, moisture absorption, and ability to stabilize physical and chemical structures.
Safety Profile Of E509 Calcium chloride:
E509 Calcium chloride is generally considered low toxicity in food use, but it can be irritating and corrosive in concentrated form.
Its main risks are related to its strong hygroscopic (moisture-absorbing) and exothermic (heat-releasing) properties.
E509 Calcium chloride makes proper handling important in industrial settings.
The most common hazard is eye irritation.
E509 Calcium chloride dust or concentrated solutions can cause redness, burning, and discomfort.
In severe cases, it may damage eye tissue if not rinsed quickly.
E509 Calcium chloride can cause skin irritation or dryness, especially with prolonged contact or high concentrations.
This is due to its ability to draw moisture from the skin.
Sensitive individuals may experience dermatitis-like symptoms.
Inhalation of dust may lead to respiratory irritation, including coughing or throat discomfort.
E509 Calcium chloride is mainly an occupational risk during handling of powdered forms.
Good ventilation reduces this hazard.
A key physical hazard is that calcium chloride releases heat when dissolved in water.
E509 Calcium chloride exothermic reaction can cause localized heating or splashing if added incorrectly.
E509 Calcium chloride may lead to burns in improper handling situations.
Ingestion of large amounts may cause gastrointestinal irritation, such as nausea, vomiting, or abdominal discomfort.
E509 Calcium chloride is due to its high salt content and osmotic effects.
Normal food-level exposure is considered safe.
Excess intake may contribute to electrolyte imbalance, especially in individuals with kidney disorders.
High calcium or chloride levels can affect body mineral balance.
This risk is only relevant at unusually high exposures.
E509 Calcium chloride is not considered carcinogenic, mutagenic, or toxic to reproduction based on current scientific evidence.
It has a long history of safe use in food and industry.
From an environmental perspective, E509 Calcium chloride is generally low risk but can increase salinity in water or soil at high concentrations.
