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Zinc Stearate
Bags

ELVISC – ZS

Zinc Stearate

ELVISCTM – ZS

Zinc Stearate is a white, hydrophobic powder widely used as a release agent and lubricant in the rubber and plastics industries. It is also employed as a stabilizer in the production of polyvinyl chloride (PVC) and as a thickening agent in cosmetics. Its non-toxic nature makes it suitable for use in food-grade applications.

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CAS Number

557-05-1

HS Code

29157090

Molecular Formula

C₃₆H₇₀O₄Zn

INCI Name

Zinc Stearate

Home/Products/Zinc Stearate

Zinc Stearate

ELVISCTM – ZS

Zinc Stearate is a white, hydrophobic powder widely used as a release agent and lubricant in the rubber and plastics industries. It is also employed as a stabilizer in the production of polyvinyl chloride (PVC) and as a thickening agent in cosmetics. Its non-toxic nature makes it

CAS Number

557-05-1

INCI Name

Zinc Stearate

HS Code

29157090

Molecular Formula

C₃₆H₇₀O₄Zn

Get Pricing for This Product

Need pricing? Request a quote for this product and we'll get back to you shortly.

Speed Up Your Sample Testing Process

We deliver domestic samples within 24 - 48 hours, helping you evaluate products and move to procurement without delays.

Zinc Stearate
Bags

ELVISC – ZS

Product Specification

PhNeutral to moistened litmus paper
OdorFaint odor
AppearanceWhite to yellow powder
Molecular Weight (G/Mol)632.3
Ph (If Aqueous Solution)Neutral to moistened litmus paper
Density Or Specific Gravity1.1 g/cm³

Physical Properties

PropertySpecification
PhNeutral to moistened litmus paper
OdorFaint odor
AppearanceWhite to yellow powder
Molecular Weight (G/Mol)632.3
Ph (If Aqueous Solution)Neutral to moistened litmus paper
Density Or Specific Gravity1.1 g/cm³

Chemical Properties

PropertySpecification
SolubilitySoluble in benzene; insoluble in water, alcohol and ether

Thermal Properties

PropertySpecification
Flash Point530 °F
Melting Point266 °F
Autoignition Temperature788 °F

Processing Methods & Reference Formulations

A. Cosmetic cream

Add Zinc Stearate at 0.5–2% to improve cream spreadability, provide a silky, dry-touch feel, and add opacity for a more elegant visual appearance. Zinc Stearate is lipophilic—always disperse it in the oil phase before emulsification.

Key IngredientsIndicative Dosage (% w/w)
Deionized Water65.0%
Glycerin5.0%
Zinc Stearate0.5%
Caprylic/Capric Triglyceride5.0%
Glyceryl Stearate3.0%
Cetearyl Alcohol2.0%
Shea Butter (Butyrospermum Parkii)4.0%
Tocopheryl Acetate0.5%
Carbomer 9400.3%
Triethanolamine0.2%
Phenoxyethanol & Ethylhexylglycerin1.0%
Fragrance0.5%
Dimethicone3.0%
Sodium Stearoyl Glutamate1.0%
Xanthan Gum0.5%
Citric Acid / Sodium Citrate0.1%

B. Cosmetic makeup foundation

Add Zinc Stearate at 1–5% to improve spreadability, give a silky matte feel, and enhance pigment dispersion. It also helps reduce skin shine in oily skin types. Mix Zinc Stearate with iron oxides, titanium dioxide, and other pigments in the dry phase before dispersion. It improves adhesion to skin and color payoff in both pressed and liquid foundations.

Key IngredientsIndicative Dosage (% w/w)
Talc (Talcum Powder)~40% (balance base)
Titanium Dioxide15%
Zinc Oxide5%
Zinc Stearate5%
Kaolin or Precipitated Chalk10%
Bismuth Oxychloride3%
Magnesium Carbonate / Magnesium Stearate3%
Iron Oxides~18%
Binding Wax or Oil (e.g., isoparaffin or wax)~3%
Volatile Carrier or Resin~1%

C. Face powder

Add Zinc Stearate at 3–10% to enhance powder compressibility (for pressed powders), improve skin adherence, and give a silky, smooth glide on application. High levels can cause dry feel, reduced payoff, or opacity issues.

Key IngredientsIndicative Dosage (% w/w)
Finely divided polyethylene (binder/vehicle)~70%
Talc / Kaolin~6%
Titanium Dioxide~3–4%
Zinc Oxide~5%
Zinc Stearate5%
Colorant Pigments (e.g. iron oxides, lakes)Balance (~10–12%)

Dosing Guidelines

A. Dosing by Application

ProductsAuthorized dosage
Cosmetics & Personal Care1-5%
Paints & Coatings1-5%

About Zinc Stearate

Zinc Stearate manufacturers produce this versatile compound for use across multiple industries. Known for its lubricating and release properties, Zinc Stearate is a key ingredient in the rubber and plastics industries, where it prevents products from sticking to molds and enhances processing efficiency. As a stabilizer, it plays a crucial role in the production of PVC, ensuring the material's durability and longevity. In the cosmetics industry, Zinc Stearate is valued for its thickening properties, providing texture and consistency to creams and lotions. Its non-toxic nature also makes it suitable for food-grade applications, where it is used as a release agent in food packaging and processing. Zinc Stearate suppliers focus on delivering high-purity products to meet the stringent demands of these industries. The production process is carefully controlled to ensure consistency and quality, which are critical for the compound's effectiveness. As sustainability becomes increasingly important, manufacturers are adopting greener practices to minimize environmental impact, aligning with the growing demand for eco-friendly raw materials in the chemical industry.

Reaction of stearic acid with ZnO (or ZnSO₄ + NaSt) in hot water (Yield: ~90%)

Reaction of stearic acid with ZnO (or ZnSO₄ + NaSt) in hot water (Yield: ~90%) Raw Materials: Stearic acid, ZnO (or ZnSO₄ + NaSt) Overall Formula: 2 RCOOH + ZnO → (RCOO)₂Zn + H₂O

About Zinc Stearate

Zinc Stearate manufacturers produce this versatile compound for use across multiple industries. Known for its lubricating and release properties, Zinc Stearate is a key ingredient in the rubber and plastics industries, where it prevents products from sticking to molds and enhances processing efficiency. As a stabilizer, it plays a crucial role in the production of PVC, ensuring the material's durability and longevity. In the cosmetics industry, Zinc Stearate is valued for its thickening properties, providing texture and consistency to creams and lotions. Its non-toxic nature also makes it suitable for food-grade applications, where it is used as a release agent in food packaging and processing. Zinc Stearate suppliers focus on delivering high-purity products to meet the stringent demands of these industries. The production process is carefully controlled to ensure consistency and quality, which are critical for the compound's effectiveness. As sustainability becomes increasingly important, manufacturers are adopting greener practices to minimize environmental impact, aligning with the growing demand for eco-friendly raw materials in the chemical industry.

Reaction of stearic acid with ZnO (or ZnSO₄ + NaSt) in hot water (Yield: ~90%)

Reaction of stearic acid with ZnO (or ZnSO₄ + NaSt) in hot water (Yield: ~90%) Raw Materials: Stearic acid, ZnO (or ZnSO₄ + NaSt) Overall Formula: 2 RCOOH + ZnO → (RCOO)₂Zn + H₂O

Regulatory Compliance

RegionMax Allowed LevelNotesCertification Body
China-Not listed as restricted or prohibited; permitted as a cosmetic ingredient at safe, well-justified usage levels.NMPA - National Medical Products Administration
Japan-No maximum concentration specified; used in standard safe practice and must meet general purity/safety standards.MHLW – Ministry of Health, Labour and Welfare
Korea, Republic of-No explicit limit; permitted if safe for intended use and in line with the Cosmetics Act.MFDS - Ministry of Food and Drug Safety
United States-No specific maximum concentration limit in the FDA regulations for cosmetics; general requirement is safe use as formulated.FDA
ASEAN-Not specifically restricted; allowed if safe within ASEAN Cosmetic Directive guidelines.-
European Union-No specific maximum limit; permitted as a safe ingredientSCCS (Scientific Committee on Consumer Safety)

FAQs - Zinc Stearate

What is Zinc Stearate used for?
Zinc Stearate is used as a release agent, lubricant, stabilizer, and thickening agent in various industries including plastics, rubber, cosmetics, and food.
Is Zinc Stearate safe for use in food applications?
Yes, Zinc Stearate is considered non-toxic and is used in food-grade applications as a release agent.
How should Zinc Stearate be stored?
Zinc Stearate should be stored in a cool, dry place to maintain its stability and effectiveness.

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