PRODUCTS

POTASSIUM STEARATE

Potassium Stearate is used in the manufacture of textile softeners.
Potassium Stearate is used in cosmetics and beauty products to stabilize formulas and increasing the thickness, or add lubricating properties.
Potassium stearate is commonly used as an emulsifier, stabilizer, and thickening agent in a wide range of products.

CAS Number: 593-29-3
EC Number: 209-786-1
Chemical formula: C18H35KO2
Molar mass: 322.56 g/mol

SYNONYMS:
Potassium octadecanoate, POTASSIUM STEARATE, 593-29-3, Potassium octadecanoate, Octadecanoic acid, potassium salt, Potassium n-octadecanoate, Potassium stearate, pure, EINECS 209-786-1, REXANOL, UNII-17V812XK50, NONSOUL MK 2, 17V812XK50, POTASSIUM STEARATE [MI], DTXSID0042323, POTASSIUM STEARATE [VANDF], POTASSIUM STEARATE [WHO-DD], E-470(I)STEARIC ACID, POTASSIUM SALT, INS-470(I)STEARIC ACID, POTASSIUM SALT, INS NO.470(I)STEARIC ACID, POTASSIUM SALT, RefChem:175605, DTXCID8022323, POTASSIUM STEARATE [INCI], 209-786-1, Steadan 300, potassium;octadecanoate, Stearic acid, potassium salt, Stearates, C18H35KO2, Octadecanoicacid,potassiumsalt, SCHEMBL24717, orb2942330, MFCD00072385, AKOS025244067, AS-15925, Octadecanoic acid, potassium salt (1:1), NS00079979, F862880, Q15629420, octadecanoic acid potassium salt (1:1), octadecanoic acid, potassium salt, octadecanoic acid, potassium salt (1:1), potassium octadecanoate, Steadan 300, stearic acid potassium salt, stearic acid, potassium salt, KALIUMSTEARAT, potassium stearate, Potassium steatate, stearatedepotassium, potassium octadecanoate, potassium stearate, pure, tearic acid Potassium Salt, STEARIC ACID, POTASSIUM SALT, OCTADECANOIC ACID, POTASSIUM SALT, OCTADECONOIC ACID, POTASSIUM SALT, Calcium myristate, Potassium myristate, Sodium myristate, Calcium palmitate, Potassium palmitate, Sodium palmitate, Calcium stearate, Potassium stearate, Sodium stearate, steadan300, KALIUMSTEARAT, POTASSIUM STEARATE, Potassium steatate, stearatedepotassium, Potassium stearate,95%, potassiumstearate,pure, Potassium octadecanate, POTASSIUM OCTADECANOATE, potassiumn-octadecanoate, Octadecanoic acid, potassium salt, Stearic acid, potassium salt, Octadecanoic acid, potassium salt (1:1), Potassium stearate, Stearic acid Potassium Salt, Potassium stearate, 99.5%, KALIUMSTEARAT, stearatedepotassium, Potassium steatate, STEARIC ACID, POTASSIUM SALT, OCTADECONOIC ACID, POTASSIUM SALT, OCTADECANOIC ACID, POTASSIUM SALT, Octadecanoic acid, Potassium salt, Stearic acid, Potassium salt

Potassium Stearate is the potassium salt of stearic acid used primarily as an emulsifying agent in the production of detergents, foods, cosmetics, and other consumer goods.
Potassium stearate is the potassium salt of the fatty acid stearic acid.

According to one of its manufacturers, Potassium Stearate is primarily used as an emulsifier in cosmetics, meaning it keeps water and oil-based ingredients from separating.
Potassium Stearate also serves the same function in food products.

Potassium Stearate also works as a cleansing ingredient and is often found in traditional bar soaps for both its cleansing and emulsifying abilities.
A fine, white powder in pure form, potassium stearate has been ruled safe as used in cosmetics (where it is used in amounts up to 7.5% in leave-on products) by the independent Cosmetic Ingredient Review panel.

Potassium Stearate is a chemical compound formed by the reaction of stearic acid and potassium hydroxide, which occurs as a white, soft, waxy powder.
Potassium Stearate is the potassium salt of stearic acid.

Potassium Stearate has a slight fatty odor, is soluble in hot water and alcohol, and is an anionic surfactant due to its alkaline hydrolysis properties.
Potassium Stearate is a versatile metallic soap widely utilized across various industries due to its excellent emulsifying, stabilizing, and thickening properties.

Potassium Stearate is the potassium salt of stearic acid, appearing as a white to off-white powder with a slight fatty odor.
Potassium Stearate (CAS 593-29-3) is a widely used surfactant, emulsifier, and stabilizer in cosmetics, personal care, pharmaceuticals, and industrial applications.

Derived from stearic acid, Potassium Stearate provides excellent solubility, dispersibility, and thickening properties, making it a key ingredient in numerous formulations.
Potassium Stearate is a potassium salt of stearic acid, appearing as a fine, white powder or granules.

Potassium Stearate is highly soluble in water, forming a stable, foamy solution, making it an ideal emulsifier, surfactant, and dispersing agent in various industries.
Potassium stearate is a metal-organic compound, a salt of potassium and stearic acid with the chemical formula C18H35KO2.

Potassium Stearate is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Potassium Stearate is a white powder
Potassium Stearate is the potassium salt of stearic acid.

Potassium stearate is a potassium salt of stearic acid.
Potassium Stearate is actually a soap obtained by saponification (with potash) of vegetable oils.
Potassium Stearate is found in some bath products, shaving creams or hair care, but ultimately not much in cosmetics.

Potassium Stearate is authorized in organic.
Potassium Stearate is a versatile compound widely utilized in various industries due to its unique chemical properties.
Potassium Stearate is the potassium salt of stearic acid, represented by the chemical formula C18H35KO2.

Potassium Stearate appears as a white, powdery substance and is known for its emulsifying and cleansing properties.
Potassium Stearate is a key ingredient in numerous industrial and consumer products, owing to its stability, solubility in water, and surfactant qualities.

Potassium Stearate is an emulsifier from the stearate salt family.
Potassium Stearate's a compound that plays a crucial role across various industries.
Potassium Stearate serves as an emulsifier and stabilizer widely used in cosmetics, pharmaceuticals, and food sectors.

Potassium stearate is a compound derived from stearic acid, a saturated fatty acid found in various natural sources such as animal fats and vegetable oils.
Potassium Stearate is formed by the reaction of stearic acid with potassium hydroxide.

Potassium stearate is the potassium salt of stearic acid, mainly used as an emulsifier in the production of detergents, food, cosmetics and other consumer products.
Potassium stearate has lubricating properties and helps prevent the separation of emulsions into oil and liquid components.

Potassium stearate exhibits the characteristics of being a white, waxy, crystalline substance with a mild, fatty scent.
Potassium Stearate is derived from stearic acid, a naturally occurring fatty acid present in various animal and plant fats and oils.

The underlying principle behind the action of potassium stearate lies in its possession of both hydrophobic and hydrophilic properties, enabling it to interact with both water and non-polar molecules.
The hydrophobic part of the molecule is thought to be responsible for its emulsifying properties, while the hydrophilic part is attributed to its lubricating capabilities.

USES and APPLICATIONS of POTASSIUM STEARATE:
Food Industry: Potassium Stearate is sometimes used as a food additive, acting as an anti-caking agent and emulsifier in various processed foods.
Its role ensures the smooth texture and extended shelf life of food products.

Pharmaceutical Industry: In pharmaceuticals, Potassium Stearate is utilized as a lubricant in tablet manufacturing, ensuring the smooth release of tablets from molds and improving their consistency and quality.
Rubber and Plastics Industry: Potassium Stearate is used as a lubricant and release agent in the rubber and plastics industries, facilitating the processing and molding of materials, and preventing them from sticking to molds.

Potassium Stearate is used as a binder, emulsifier, anticaking agent, and as a plasticizer in chewing gum base.
Uses of Potassium Stearate: In the manufacture of textile softeners.
Potassium stearate is a cleansing and emulsifying agent.

Application of Potassium Stearate: High purity / Reagent / Industrial / Cosmetics / Gel / Emulsifier
Potassium Stearate is a widely used material in the cosmetic, pharmaceutical and industrial industries due to its emulsifying, lubricating and dispersing properties.

Potassium Stearate has a special place, especially in sensitive formulations that require high stability and uniform texture.
Potassium Stearate is used as emulsifying agent (O/W), Gelling agent (aqueous), and thickener (aqueous).
Potassium Stearate is widely used in food industry as emulsifier agent, thickener, stabilizer, releasing agent.

Potassium Stearate is one of the popular food additives and ingredients in most countries.
Potassium stearate is a kind of fine white, fluffy powder with greasy touch sense and fatt odor, soluble in hot water or alcohol, and its solvent is alkaline because of hydrolysis.

Potassium stearate is anion type surface active agent, which widly applied in acrylate rubber soap/sulfur and vulcanized system.
Potassium Stearate is the potassium salt of stearic acid used primarily as an emulsifying agent in the production of detergents, foods, cosmetics, and other consumer goods.

Potassium Stearate is primarily used as an emulsifier in cosmetics and in food products.
Potassium Stearate is also used as a cleansing ingredient and lubricant.
Aluminium monostearate is a salt of stearic acid and aluminium.

Potassium Stearate is used to form gels in the packaging of pharmaceuticals, and in the preparation of colors for cosmetics.
Aluminum is the most abundant metal in the earth's crust and is always found combined with other elements such as oxygen, silicon, and fluorine.
Potassium Stearate is used as a binder, emulsifier, anticaking agent, and as a plasticizer in chewing gum base.

Uses of Potassium Stearate: In the manufacture of textile softeners.
Potassium stearate is a cleansing and emulsifying agent.
Potassium stearate is the potassium salt of the fatty acid stearic acid.

Cosmetic Uses of Potassium Stearate: cleansing agents, surfactants, surfactant - emulsifying.
Potassium Stearate is a metallic stearate-based lubricant.
Potassium Stearate is recommended for thermoplastic applications.

Personal Care & Cosmetics: Potassium Stearate is used in lotions, creams, deodorants, and soaps for its emulsifying and thickening effects.
Plastics & Rubber: Potassium Stearate serves as a lubricant additives to release agent in processing.
Adhesives: Potassium Stearate acts as a stabilizer and processing aid.

Food Industry: Potassium Stearate functions as an emulsifier and stabilizer in various food products.
Potassium Stearate is used in the manufacture of textile softeners.
Potassium Stearate is used in cosmetics and beauty products to stabilize formulas and increasing the thickness, or add lubricating properties.

Potassium stearate is commonly used as an emulsifier, stabilizer, and thickening agent in a wide range of products.
Potassium stearate's properties contribute to the texture, stability, and performance of formulations, making Potassium Stearate a valuable ingredient in diverse applications.

Potassium Stearate is used as emulsifying agent (O/W), Gelling agent (aqueous), and thickener (aqueous).
Potassium Stearate is used as a surfactant and fiber softener.
Use of Potassium Stearate: coagulant; Foaming agent; Anti-caking agent; Emulsifier; Stabilizer.

Potassium Stearate is used as emulsifier, can be used in cakes, the maximum amount of 0.18g/kg.
Potassium Stearate is used as surfactant and fiber softener.

-Potassium Stearate is used as a co-emulsifier in:
Cake gels: Hydrated blends of emulsifiers for the cake industry.
Margarine and low-fat spreads.
Imitation creams.
Non dairy creamers.
Non dairy whipped toppings.
Starch.
Salad Dressings.

-Cosmetic and health industries use of Potassium Stearate:
Potassium Stearate is used as an emulsifier and formulation stabilizer in creams, lotions, foundation, lipstick, mascara, eyeliner, cosmetic powders and hair and skin care products.
Potassium Stearate is used improving the texture of cosmetic products and preventing the separation of oily and aqueous components.

-Pharmaceuticals use of Potassium Stearate:
Potassium Stearate is used as a mold release agent in the production of tablets and capsules.
Potassium Stearate is used stabilizer of some pharmaceutical formulations.

-Chemical and industrial industries use of Potassium Stearate:
Potassium Stearate is used in vulcanization systems of rubber, acrylate polymers and sulfur compounds.
Potassium Stearate is used as an additive in lubricants and particle dispersing agent.

-Cosmetic Industry uses of Potassium Stearate:
Potassium Stearate is extensively used in the cosmetic industry as an emulsifying and stabilizing agent in products such as creams, lotions, and makeup.
Potassium Stearate helps improve the consistency and stability of these formulations, ensuring they deliver the desired results to consumers.

-Personal Care Products use of Potassium Stearate:
In personal care items like soaps, shampoos, and deodorants, Potassium Stearate functions as a surfactant and cleansing agent.
Potassium Stearate aids in the removal of impurities, leaving the skin and hair clean and refreshed.

-Industrial Cleaners use of Potassium Stearate:
The cleaning efficacy of Potassium Stearate makes it a popular choice in industrial cleaning products.
Potassium Stearate helps in breaking down oils and greases, making it easier to clean machinery and equipment.

-Personal Care and Cosmetics use of Potassium Stearate:
Potassium Stearate is commonly used in cosmetic and skincare formulations as a thickener, emulsifier, and stabilizer.
Potassium Stearate is used in creams, lotions, and makeup products.

Potassium Stearate enhances foam stability in cleansing formulations.
Potassium Stearate improves texture and spreadability in cosmetics.

-Soap and Detergent Manufacturing uses of Potassium Stearate:
As a key ingredient in soaps and detergents, Potassium Stearate acts as a foaming agent, emulsifier, and stabilizer, improving the performance of liquid and solid soap formulations.

Potassium Stearate is used foaming agent in hand soaps and body washes.
Potassium Stearate enhances cleansing ability in detergent formulations.
Potassium Stearate stabilizes formulations for long-lasting performance.

-Pharmaceutical Applications of Potassium Stearate:
Potassium Stearate is used in pharmaceutical tablet manufacturing as a lubricant and dispersing agent, ensuring consistent tablet compression and ingredient dispersion.

Potassium Stearate is used lubricant in pharmaceutical tablet formulations.
Potassium Stearate enhances stability and uniformity in drug delivery systems.
Potassium Stearate is used as a binder in pharmaceutical excipients.

-Industrial Lubricants and Coatings use of Potassium Stearate:
In industrial applications, Potassium Stearate serves as a lubricant, release agent, and anti-caking additive, ensuring smooth processing and enhanced material flow.

Lubricant for rubber, plastics, and metal processing.
Potassium Stearate is used as a mold release agent in industrial coatings.
Potassium Stearate prevents caking and improves material handling.

-Food-Grade and Agricultural Applications of Potassium Stearate:
Potassium Stearate is also used in food-grade and agricultural formulations as an emulsifier and stabilizer for food processing and crop protection products.

Potassium Stearate is used emulsifier in food additives and processing aids.
Potassium Stearate is used in agricultural formulations as a dispersing agent.
Potassium Stearate helps stabilize pesticide and fertilizer formulations.

POTASSIUM STEARATE IN COSMETICS & PHARMACEUTICAL:
In the cosmetic industry, potassium stearate is commonly used as an emulsifier, thickener, and stabilizer in various products such as lotions, creams, and makeup.
Potassium Stearate helps to keep the ingredients together and improve their texture, making the products smoother and easier to apply.

Potassium Stearate is also an effective cleansing agent that helps to remove dirt and excess oils from the skin.
The pharmaceutical industry also uses potassium stearate in various formulations such as tablets and capsules.

Potassium Stearate acts as a lubricant and helps to prevent the ingredients from sticking to the machinery during the manufacturing process.
Potassium Stearate also improves the flowability of the powdered ingredients, allowing for faster and more accurate dosing.

PHYSICAL PROPERTIES of POTASSIUM STEARATE:
Potassium Stearate forms colorless crystals.
Potassium Stearate is slightly soluble in cold water, soluble in hot water, ethanol, insoluble in ether, chloroform, carbon disulfide.
Potassium Stearate is a component of liquid soap.

POTASSIUM STEARATE IN FOOD:
Potassium stearate, while primarily known for its applications in cosmetics, pharmaceuticals, and industrial sectors, is also used in the food industry, albeit less commonly than its sodium counterpart.

Here are some potential uses of potassium stearate in food:
➊Emulsifier: Potassium stearate can act as an emulsifier in food products, helping to blend ingredients that would normally separate, such as oil and water.
Potassium Stearate can improve the texture and consistency of foods like sauces, dressings, and spreads.

➋Stabilizer: In certain food formulations, potassium stearate for sale can serve as a stabilizer, helping to maintain the uniformity of the product and prevent ingredients from settling or separating over time.
Potassium Stearate may be used in products like beverages, dairy alternatives, and confectionery.

➌Anti-caking Agent: Potassium stearate can function as an anti-caking agent, helping to prevent clumping or sticking of powdered or granulated ingredients.
Potassium Stearate is sometimes used in dry mixes, seasoning blends, and powdered supplements to ensure flowability and ease of handling.

➍Release Agent: Potassium stearate powder can be employed as a release agent in food processing equipment or molds to prevent food from sticking during manufacturing or packaging.
This can be particularly useful in the production of baked goods, confectionery, and extruded snacks.

PROPERTIES AND CHARACTERISTICS of POTASSIUM STEARATE:
Strong emulsifying agent in cosmetic, health and industrial compounds.
High lubricating and thickening properties.
Suitable thermal and chemical stability in various formulations.
Excellent dispersing power for solid particles in liquid environments.

SYNONYMS of POTASSIUM STEARATE:
Potassium stearate is a compound known by its chemical name, but it also has several synonyms or alternative names, which may vary based on regional or industry-specific conventions.

Here are some common synonyms for potassium stearate:

♦Potassium Octadecanoate:
This is the systematic chemical name for potassium stearate, derived from its molecular structure.

♦Potassium Salt of Stearic Acid:
This term describes potassium stearate about its parent compound, stearic acid, indicating that it is the salt form of stearic acid with potassium.

♦Potassium Stearic Acid:
This term combines the names of the constituent elements (potassium and stearic acid) to describe potassium stearate.

♦E470a:
In the European Union, food additives are assigned E numbers for regulatory purposes.
Potassium stearate is classified as E470a when used as a food additive.

♦Potassium Soap:
Since stearic acid is a fatty acid commonly found in natural fats and oils, potassium stearate can be referred to as a potassium soap, especially when used in soap manufacturing or personal care products.

♦Potassium Octadecanoic Acid:
This term is another way of denoting the chemical structure of potassium stearate.

FUNCTIONAL CLASS of POTASSIUM STEARATE:
*Food Additives
*ANTICAKING_AGENT
*EMULSIFIER

POTASSIUM STEARATE AT A GLANCE:
Potassium salt of stearic acid
Primarily used as an emulsifier to keep water and oil-based ingredients from separating
Also used as a cleanser
Ruled safe as used in cosmetics

FUNCTION(S) of POTASSIUM STEARATE IN COSMETIC PRODUCTS:
*CLEANSING
Potassium Stearate cleans skin, hair or teeth

*SURFACTANT - CLEANSING
Surface-active agent to clean skin, hair and / or teeth

*SURFACTANT - EMULSIFYING
Potassium Stearate allows the formation of finely dispersed mixtures of oil and water (emulsions)

BENEFITS of POTASSIUM STEARATE:
*Effective Emulsifier
Potassium Stearate is highly effective in stabilizing emulsions, making it an essential component in cosmetic and personal care products.
Potassium Stearate helps blend oil and water-based ingredients, creating smooth and consistent formulations.

*Cleansing Agent
Its surfactant properties enable Potassium Stearate to function as a cleansing agent.
Potassium Stearate is commonly found in soaps and detergents, where it helps remove dirt and oil from surfaces and skin, ensuring a thorough cleaning experience.

*Stabilizing Agent
In various formulations, Potassium Stearate acts as a stabilizer, enhancing the texture and consistency of products.
This property is particularly valuable in creams, lotions, and other personal care items, ensuring they remain uniform and effective over time.

*Non-Toxic and Biodegradable
Potassium Stearate is considered safe for use in personal care products and is biodegradable, making it an environmentally friendly choice.
Its non-toxic nature ensures Potassium Stearate is suitable for various applications without posing significant health risks.

*Foaming Agent
The foaming ability of Potassium Stearate makes it a valuable addition to products like soaps, shampoos, and shaving creams, providing a rich lather that enhances user experience and product performance.

FUNCTIONS (INCI) of POTASSIUM STEARATE:
*Cleansing :
Potassium Stearate helps to keep a clean surface

*Emulsifying :
Potassium Stearate promotes the formation of intimate mixtures between immiscible liquids by modifying the interfacial tension (water and oil)

*Surfactant :
Potassium Stearate reduces the surface tension of cosmetics and contributes to the even distribution of the product when it is used

POTASSIUM STEARATE IS PRESENT IN:
Potassium Stearate is present in 0.08% of cosmetics.
*Shaving soap (22.49%)
*Hair colouring (2.15%)

FUNCTIONAL USES / APPLICATIONS of POTASSIUM STEARATE:
*Primary functions:
emulsifier (O/W), co-emulsifier, dispersing agent, texture modifier, mild thickener/stabilizer.

*Product types:
creams & lotions, facial creams, body butters, sunscreens, conditioners and hair care, shower gels (to improve pearlescence or texture), cleansing emulsions, make-up removers, and other personal-care formulations.

*Typical use levels:
dependent on function — often in the range 0.5–10%, with many emulsions using 1–5% as co-emulsifier (supplier guidance varies).

BENEFITS & CHARACTERISTICS FORMULATORS CARE ABOUT POTASSIUM STEARATE:
Mild, non-ionic — good for sensitive skin and compatible with many surfactant systems.
Plant-derived / biodegradable (derived from glycerin + fatty acids) — often used in “natural” formulations where permitted by certification.
Good emolliency & skin feel (delivers fatty-acid benefits without heavy greasy afterfeel).

Stabilises emulsions (improves droplet stability and texture);
Potassium Stearate can act as primary or co-emulsifier depending on formulation.

Solid/waxy nature can help structure creams and add pearlescent / body effect when used with other esters (similar visual roles to glycol distearate in some systems).

FORMULATION & PRACTICAL CONSIDERATIONS of POTASSIUM STEARATE:
Choose grade based on HLB / melt point — some grades melt easier (better for cold-process emulsions), others are waxier and suit high-shear hot-process creams.

Combine with other emulsifiers when making low-fat or high-stability O/W lotions — Potassium Stearate often performs best as co-emulsifier with a primary emulsifier.

*Oxidative stability:
if stearates are fully saturated the oxidation risk is low; still check peroxide value / saponification value and consider antioxidants if mixed with unsaturated oils.

*Certifications / “natural” claims:
confirm supplier certificates (COSMOS / ECOCERT / Natural Index) if you plan to make natural or organic marketing claims — processing aids or additives can affect eligibility.

FUNCTION(S) of POTASSIUM STEARATE IN COSMETIC PRODUCTS
*CLEANSING
Potassium Stearate cleans skin, hair or teeth.

*SURFACTANT (EMULSIFYING) - EMULSIFIER
Potassium Stearate allows the formation of finely distributed mixtures of oil and water (emulsions).

*SURFACTANT (CLEANSING)
Detergent for cleaning skin, hair and/or teeth.

PRODUCTION METHOD of POTASSIUM STEARATE:
Potassium Stearate is obtained by reacting stearic acid with potassium hydroxide at high temperature and then cooling.
Potassium Stearate is formed by reacting stearic acid with potassium hydroxide at high temperature and then cooling.

KEY BENEFITS OF POTASSIUM STEARATE FROM SILVER FERN CHEMICAL
When you source Potassium Stearate from Silver Fern Chemical, you receive a high-quality, industry-standard product that meets the needs of various formulations.

*High Purity and Performance:
Potassium Stearate ensures consistent quality in personal care, industrial, and pharmaceutical applications.

*Water-Soluble and Non-Toxic:
Safe for use in cosmetics, soaps, and food-grade formulations.

*Bulk Supply Options:
Available in various packaging sizes for manufacturing demands.

*Reliable Global Distribution:
Fast and efficient shipping for manufacturers worldwide.

KEY FEATURES of POTASSIUM STEARATE:
*Effective emulsifier and PVC stabilizer
*Potassium Stearate provides thickening and gelling properties
*Potassium Stearate enhances texture and consistency in formulations
*Potassium Stearate functions as a lubricant and release agent
*Potassium Stearate improves flowability and prevents caking in powders

SYNTHESIS of POTASSIUM STEARATE:
Potassium stearate may be prepared by saturating a hot alcoholic solution of stearic acid with alcoholic potash.

POTASSIUM STEARATE VS SODIUM STEARATE:
Potassium stearate and sodium stearate are both fatty acid salts.
They are a white, odorless powder commonly used in various industries such as cosmetics, pharmaceuticals, and food production.
Here's a comparison between the two:

①Chemical Structure:
Potassium stearate and sodium stearate belong to a class of compounds known as fatty acid salts or soap salts.
They are formed when stearic acid, a long-chain fatty acid, reacts with potassium hydroxide or sodium hydroxide, respectively.

Potassium stearate has the chemical formula C18H35KO2.
Sodium stearate has the chemical formula C18H35NaO2.

②Solubility:
The difference in solubility between potassium stearate and sodium stearate is due to the varying properties of potassium and sodium ions.
Sodium ions have a smaller hydrated radius compared to potassium ions.
Therefore, Sodium stearate is more soluble in water compared to potassium stearate.

This makes sodium stearate a better emulsifier in water-based formulations.
Potassium stearate is less soluble in water but more soluble in polar solvents compared to sodium stearate.
This difference in solubility affects the emulsifying and dispersing properties of these compounds in water-based systems.

③Compatibility:
The pH sensitivity of potassium stearate can limit its compatibility with acidic ingredients or formulations with low pH levels.
In such cases, potassium stearate may undergo hydrolysis or other chemical reactions, affecting the stability and efficacy of the product.
Sodium stearate is more tolerant of acidic conditions, making it suitable for a broader range of formulations, including those containing acidic active ingredients or additives.

④Physical Properties:
The differences in physical properties between potassium stearate and sodium stearate stem from their chemical structures and interactions with other ingredients in a formulation.

Potassium stearate powder tends to produce creams and lotions with a lighter texture and better spreadability.
Potassium Stearate is suitable for products like facial moisturizers and creams.
Sodium stearate contributes to the hardness and durability of solid soap bars, making them suitable for cleansing and personal hygiene.

⑤Applications:
In addition to their roles as emulsifiers and thickeners, both potassium stearate and sodium stearate are used as gelling agents in certain formulations.
Sodium stearate is commonly employed in the manufacturing of solid soaps and detergents due to its ability to produce a stable lather.
Potassium stearate is preferred in certain cosmetic and pharmaceutical formulations due to its softer texture and smoother feel on the skin.

Both potassium stearate and sodium stearate have their unique applications and benefits, and the choice between them depends on the specific needs of each industry.
They are safe and effective ingredients that have been used for many years without any negative side effects.

WHAT IS IT?
The Stearate salts, including Lithium Stearate, Aluminum Distearate, Aluminum Stearate, Aluminum Tristearate, Ammonium Stearate, Calcium Stearate, Magnesium Stearate, Potassium Stearate, Sodium Stearate, and Zinc Stearate are fine, white powders with a slight fatty odor.
In cosmetics and personal care products, Stearate salts are used mainly in the formulation of makeup products such as eyeliner, eyeshadow, mascara, lipsticks, blushers, face powders and foundations.
They are also used in fragrances, deodorants, and hair and skin care products.

WHY IS IT USED?
The Stearate salts are generally used for their lubricating properties.
They also help to keep emulsions from separating into their oil and liquid components.
The Stearate salts increase the thickness of the lipid (oil) portion of cosmetics and personal care products and reduce the clear or transparent appearance of finished products.

SCIENTIFIC FACTS of POTASSIUM STEARATE:
The commercial stearic acid from which the Stearate salts are manufactured is actually a mixture of monocarboxylic acids obtained from animal and/or vegetable sources.

PHYSICAL and CHEMICAL PROPERTIES of POTASSIUM STEARATE:
Chemical formula: C18H35KO2
Molar mass: 322.56
Appearance: colorless crystals
Density: 1.12 g/cm³
Boiling point: 359.4 °C (678.9 °F; 632.5 K)
Solubility in water: soluble in hot water
CAS Number: 593-29-3
EC Number: 209-786-1
Molecular Weight: 322.6 g/mol

Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 2
Rotatable Bond Count: 16
Exact Mass: 322.22741184 Da
Monoisotopic Mass: 322.22741184 Da
Topological Polar Surface Area: 40.1 Å²
Heavy Atom Count: 21

Formal Charge: 0
Complexity: 207
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 2

Compound Is Canonicalized: Yes
CAS Number: 593-29-3
Chem/IUPAC Name: Potassium stearate
EINECS/ELINCS No: 209-786-1
COSING REF No: 37027
CBNumber: CB0484765
Molecular Formula: C18H35KO2
Molecular Weight: 322.57
MDL Number: MFCD00072385

MOL File: 593-29-3.mol
Density: 1.12 g/cm³
Solubility: slightly soluble in cold H2O; soluble in hot H2O, ethanol
Form: Powder
Color: White
Odor: wh. powd., sl. fatty odor
Water Solubility: insoluble
InChI: InChI=1S/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1
InChIKey: ANBFRLKBEIFNQU-UHFFFAOYSA-M

SMILES: C(CCCCCC([O-])=O)CCCCCCCCCCC.[K+]
LogP: 4.130 (est)
CAS DataBase Reference: 593-29-3 (CAS DataBase Reference)
Substances Added to Food (formerly EAFUS): POTASSIUM STEARATE
FDA 21 CFR: 173.340; 181.29
EWG's Food Scores: 1
FDA UNII: 17V812XK50
EPA Substance Registry System: Potassium stearate (593-29-3)

Cosmetics Info: Potassium Stearate
Molecular Formula / Molecular Weight: C18H35KO2 = 322.57
Physical State (20 deg.C): Solid
Storage Temperature: Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas: Store under inert gas
Condition to Avoid: Hygroscopic
CAS RN: 593-29-3
Reaxys Registry Number: 3919487

ECHA EINECS - REACH Pre-Reg: 209-786-1
FDA UNII: 17V812XK50
Nikkaji Web: J43.176A
Molecular Weight: 322.57365000
Formula: C18 H35 K O2
Food Chemicals Codex Listed: No
logP (o/w): 4.130 (est)
Soluble in: water, 2.669 mg/L @ 25 °C (est)

Synonyms: Stearic acid, potassium salt
IUPAC Name: Potassium;octadecanoate
Canonical SMILES: CCCCCCCCCCCCCCCCCC(=O)[O-].[K+]
InChI: ANBFRLKBEIFNQU-UHFFFAOYSA-M
InChI Key: InChI=1S/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1
Boiling Point: 359.4 °C at 760 mmHg
Flash Point: 162.4 °C
Density: 1.12 g/mL
Solubility: water, 2.669 mg/L @ 25 °C (est)

Appearance: White to off-white powder
Product: Potassium Stearate
CAS: 593-29-3
Formula: C18H35KO2
Readily Soluble: in hot water producing alkaline solns.
Moisture: Max 6%
Appearance: White powder
Mol Wt.: 322
Odor: wh. powd., sl. fatty odor
Molecular Weight: 322.63

Solubility: diethyl ether, ethanol, chloroform, carbon disulfide
Density: 1.12 g/cm³
Solubility: slightly soluble in cold H2O; soluble in hot H2O, ethanol
Form: Powder
Color: White
Odor: wh. powd., sl. fatty odor
Water Solubility: insoluble
InChI: InChI=1S/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1
InChIKey: ANBFRLKBEIFNQU-UHFFFAOYSA-M

SMILES: C(CCCCCC([O-])=O)CCCCCCCCCCC.[K+]
LogP: 4.130 (est)
CAS DataBase Reference: 593-29-3 (CAS DataBase Reference)
EPA Substance Registry System: Potassium stearate (593-29-3)
Appearance (Form): Powder
Appearance (Colour): White
Melting Point: 257-264 °C
Moisture: < 4%
Acid Value: 205-212
Free Alkali: < 0.1%
Free Fatty Acid: < 1.2%

CAS: 593-29-3
EINECS: 209-786-1
InChI: InChI=1/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1
Molecular Formula: C18H35KO2
Molar Mass: 322.57
Density: 1.12 g/cm³
Boiling Point: 359.4 °C at 760 mmHg
Flash Point: 162.4 °C

Water Solubility: insoluble
Solubility: Soluble in hot water or alcohol, slowly soluble in cold water
Vapor Pressure: 8.58E-06 mmHg at 25 °C
Storage Condition: Room Temperature
Sensitive: Easily absorbing moisture
MDL: MFCD00072385
Physical and Chemical Properties: White to off-white waxy solid. Fatty odor.
Compound Formula: C18H35KO2

Molecular Weight: 322.56
Appearance: White powder
Melting Point: N/A
Boiling Point: 359.4 °C (760 mmHg)
Density: N/A
Solubility in H2O: Soluble (hot)
Exact Mass: 322.227412 g/mol
Monoisotopic Mass: 322.227412 g/mol

FIRST AID MEASURES of POTASSIUM STEARATE:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of POTASSIUM STEARATE:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of POTASSIUM STEARATE:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of POTASSIUM STEARATE:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of POTASSIUM STEARATE:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of POTASSIUM STEARATE:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available