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Kalsiyum Oktadekanoat is a white to yellowish-white colored organic compound in fine powder form obtained by the reaction of the calcium salt of stearic acid, used as an emulsifier, anti-caking agent, release agent, and stabilizer in food, pharmaceutical, cosmetic, and industrial formulations.
E 470a Calcium Stearate is a hydrophobic metal soap raw material known by the code E 470a in food additive coding systems and commercially as Calcium Stearate, which is insoluble in water but dispersible in oils and organic solvents.
E 470a Calcium Stearate undertakes a critical role in increasing fluidity in powdered foods, acting as a lubricant to prevent mold sticking in tablet and capsule production, and serving as a PVC stabilizer in the plastics industry.
Kalsiyum Oktadekanoat is a functional component added to formulations in order to prevent powdered products from absorbing moisture and caking, facilitate processability, and reduce friction in industrial processes.
E 430... E 470a Calcium Stearate molecules exhibit water-repellent properties and prevent particles from agglomerating thanks to their hydrophobic structure formed by the attachment of two stearic acid chains to a calcium ion.
E 470a Calcium Stearate-containing food, pharmaceutical, and polymer products acquire superior fluidity, smooth surface quality, mold release ease, and long-term storage stability.
Calcium Stearate is widely preferred at industrial standards, particularly as a flow regulator and mold release agent in powder mixtures, spices, confections, and pharmaceutical tablets.
E 470a Calcium Stearate is a reliable additive that maintains its chemical stability even at high temperatures and is resistant to thermal degradation.
Kalsiyum Oktadekanoat is produced at high purity standards and is one of the most sought-after metal stearate derivatives in the global food, pharmaceutical, and polymer market.
WHAT IS E 470A CALCIUM STEARATE?
Calcium Stearate is a non-ionic character metal soap known in the food and chemical industry under the names E 470a Calcium Stearate, Calcium Octadecanoate, or Calcium Stearate.
Kalsiyum Oktadekanoat is commercially presented to the market in a white to yellowish-white colored, fine, slightly slippery textured powder form with a characteristic mild oily odor.
E 470a Calcium Stearate quality is determined according to specific control parameters such as purity degree, free fatty acid amount, calcium content, melting point, moisture rate, and fine milling particle size distribution.
Calcium Stearate exhibits superior performance in special applications thanks to its property of being insoluble in water but dispersible in organic media.
E 470a Calcium Stearate also finds a wide usage area as a water-repellent and lubricant agent in polymer processing, PVC heat stabilizers, concrete additives, and paper coatings.
E 470a Calcium Stearate forms an excellent hydrophobic barrier on the surfaces it contacts thanks to the long aliphatic chains in its molecular structure.
COMMON PRODUCT AND CHEMICAL NAMES:
E 470a Calcium Stearate
Calcium Stearate
Kalsiyum Stearat
Calcium Octadecanoate
Kalsiyum Oktadekanoat
E 470a
Octadecanoic Acid Calcium Salt
Stearic Acid Calcium Salt
CAS NO, EC / EINECS NO AND CHEMICAL IDENTIFICATION
Product name: E 470a Calcium Stearate
Food Code: E 470a
Chemical name: Calcium octadecanoate
Molecular formula: C₃₆H₇₀CaO₄
Molecular weight: Approximately 607.02 g/mol
CAS No: 1592-23-0
EC / EINECS No: 216-472-8
Chemical class: Metal Soap / Fatty Acid Calcium Salt
Main functions: Food additive (anti-caking, emulsifier), tablet lubricant, mold release agent, PVC heat stabilizer, hydrophobic agent
E 470a Calcium Stearate is a complex salt structure obtained by the precipitation reaction of natural or synthetic stearic acid sodium salt with calcium chloride or calcium hydroxide.
E 470a Calcium Stearate has CAS No 1592-23-0 and EC No 216-472-8 registered in international food, chemical, and polymer inventories.
E 470a Calcium Stearate heavy metal limits, purity, and calcium content in food and pharmaceutical grades are strictly inspected according to international standards.
PHYSICAL AND CHEMICAL PROPERTIES
E 470a Calcium Stearate is generally a white to slightly yellowish-white colored fine powder substance.
Physical appearance: White to yellowish-white fine powder
Density: Approximately 1.02 - 1.08 g/cm³ at 20 °C
Solubility in water: Insoluble in water; sparingly soluble in cold and partially soluble in hot ethanol, ether, and benzene
Flash point: > 200 °C (Open cup)
Melting point: Approximately 145 °C - 160 °C
pH (aqueous suspension): Neutral character
HOW DOES E 470A CALCIUM STEARATE WORK AT THE MOLECULAR LEVEL?
Kalsiyum Oktadekanoat makes the surfaces it contacts completely hydrophobic thanks to the two long hydrocarbon chains in its structure.
E 470a Calcium Stearate molecules wrap around powder particles, preventing moisture from penetrating the particles and preventing caking.
E 470a Calcium Stearate presence minimizes equipment wear and product sticking by lowering the friction coefficient in tablet pressing or metal molding operations.
Kalsiyum Oktadekanoat continues its function without degrading at processing temperatures thanks to its chemically stable structure.
WHICH INDUSTRIES IS IT USED IN?
Food industry (powdered foods, spice blends, confections, and dietary supplements)
Pharmaceutical and medical preparations (lubricant and binder in tablet and capsule formulations)
Polymer and plastics industry (heat stabilizer and lubricant additive for PVC)
Building and construction materials (concrete additives, mortars, and water-repellent coatings)
Cosmetic sector (powders, creams, and decorative cosmetic products)
Paper, paint, and mineral oil industry
THINGS TO CONSIDER DURING USE
Kalsiyum Oktadekanoat maximum usage limits specified in relevant national and international regulations (TGK, EFSA, FDA) must be complied with when used in food and drug formulations.
E 470a Calcium Stearate should be stored in dry, cool, and well-ventilated environments away from direct sunlight, in tightly closed original packaging.
E 470a inhalation of its powder form should be avoided, a dust mask should be used in the working environment, and in case of contact with the eyes, it should be washed with plenty of water.
TECHNICAL SUMMARY
Kalsiyum Oktadekanoat is a reliable component used in a wide field from food to polymers with its high hydrophobicity, excellent mold release, and anti-caking properties.
E 470a Calcium Stearate is an indispensable performance additive in modern industrial formulations with its capability to increase fluidity and prevent friction.
ADVANTAGES COMPARED WITH ALTERNATIVE ADDITIVES
E 470a Calcium Stearate offers effective moisture resistance, lubrication, and mold-release properties due to its hydrophobic structure and long-chain fatty acid composition.
Compared with water-soluble additives, it is particularly suitable for applications requiring water repellency, reduced friction, and limited interaction with moisture.
In powder formulations, Calcium Stearate can improve flowability and help reduce caking by limiting moisture contact between particles.
In pharmaceutical tablet manufacturing, it can function as a lubricant and reduce friction between the formulation and processing equipment, helping to improve manufacturing efficiency.
In plastics and polymer processing, Calcium Stearate can act as a lubricant, release agent, and processing aid, supporting smoother surfaces and easier demolding.
Its versatility makes Kalsiyum Oktadekanoat useful across food, pharmaceutical, cosmetic, construction, and polymer applications, provided the selected grade meets the relevant requirements.
LIMITATIONS COMPARED WITH ALTERNATIVES
E 470a Calcium Stearate is insoluble in water, so it is not suitable when complete dissolution in an aqueous system is required.
Its hydrophobic properties may interfere with wetting, dissolution, or dispersion in some formulations, and additional formulation adjustments may be necessary.
In tablet formulations, excessive use may negatively affect tablet hardness, disintegration, or dissolution, depending on the composition and processing conditions.
In PVC and other polymer applications, its performance depends on the polymer type, processing temperature, dosage, and compatibility with other additives; it may not replace every specialized stabilizer or lubricant.
Calcium Stearate may not provide the same performance as alternative metal stearates in every application, so comparative testing is recommended.
Food and pharmaceutical uses require an appropriate grade and compliance with applicable regulations. Technical parameters, including purity, moisture content, and particle size, should be confirmed against the supplier's specification.
CONTACT ATAMAN KIMYA
For further information, technical specifications, product quality details, and supply inquiries regarding E 470a Calcium Stearate, please contact Ataman Kimya.
