Potassium Sorbate – Broad-Spectrum Preservative for Food, Personal Care, Pharmaceutical & Industrial Formulations

Product Overview

Potassium Sorbate is the potassium salt of sorbic acid, a naturally occurring organic acid found in rowan berries (Sorbus aucuparia) and several other fruits. Commercially, it is produced through the neutralization of synthetically manufactured sorbic acid with potassium hydroxide, yielding a white, odorless, water-soluble crystalline powder with high purity and consistent performance. Its INCI name is Potassium Sorbate, and its internationally recognized food additive identifier is E202.

Potassium Sorbate is one of the most widely used and globally accepted antimicrobial preservatives across food, personal care, pharmaceutical, pet care, and industrial applications. It functions by inhibiting the growth of molds, yeasts, and certain bacteria — primarily by converting to its active sorbic acid form in aqueous solution. It is effective across a pH range of up to 6.5, making it suitable for a broader range of formulations than sodium benzoate. It is GRAS-classified by the FDA and approved as E202 under international food regulations. Its neutral taste, odor, and color, combined with its excellent water solubility and compatibility, make it a preferred preservative choice for formulators across multiple industries.

Key Features & Benefits

  • Broad-spectrum antimicrobial preservative — effective against molds, yeasts, and a range of bacteria across food, cosmetic, pharmaceutical, and industrial formulations.
  • Active across a wider pH range than sodium benzoate — effective up to pH 6.5, covering a broader range of product formulations.
  • GRAS-classified by the FDA; approved internationally as E202 and accepted across pharmaceutical, cosmetic, and food regulatory frameworks.
  • Highly water-soluble (58.2% at 20°C), odorless, tasteless, and colorless — does not alter the appearance, flavor, or scent of finished products.
  • Works synergistically with sodium benzoate and other preservatives for enhanced, broader-spectrum microbial protection.
  • Cost-effective and stable across a range of temperatures, providing reliable long-term preservation without impact on product aesthetics.
  • Available in food-grade, cosmetic-grade, and pharmaceutical-grade formats to meet specific quality and regulatory requirements.

Applications

Potassium Sorbate is used across six industry categories served by EZ Elements, wherever reliable, mild, and broadly accepted antimicrobial preservation is required.

Food & Beverages:

  • Carbonated beverages, fruit juices, sports drinks, and energy drinks as a microbial growth inhibitor
  • Dairy products including cheese, yogurt, sour cream, and milk-based beverages
  • Baked goods, bread, cakes, and pastries to prevent mold growth and extend shelf life
  • Dried fruits, dried meats, pickles, olives, and fermented foods
  • Wines and ciders to prevent secondary fermentation after bottling — one of its most established food applications
  • Condiments, sauces, dressings, and jams where extended shelf life and mold control are required
  • Dietary supplements and nutraceutical liquid formulations requiring preservative protection

Personal Care:

  • Shampoos, conditioners, and hair care products as a mild water-phase preservative
  • Facial moisturizers, serums, toners, and eye creams — effective at low concentrations in leave-on products
  • Body lotions, creams, and skin care preparations with high water content requiring microbial protection
  • Baby wipes, facial wipes, and cleansing wipes where a mild, gentle preservative is preferred
  • Sunscreen formulations and water-based cosmetic preparations
  • Contact lens solution and ophthalmic cosmetic preparations where broad-spectrum preservation is required

Pharmaceutical:

  • Oral liquid pharmaceutical formulations including syrups, suspensions, tonics, and elixirs
  • Topical creams, gels, and ointments requiring antimicrobial preservation throughout shelf life
  • Intravenous solutions and injectable formulations where it is used as a recognized pharmaceutical preservative
  • Vitamin supplements, herbal remedies, and liquid nutraceutical formulations
  • Medicated shampoos and dermatological preparations requiring mild, effective preservation

Pet Care:

  • Preservative in liquid pet grooming products — shampoos, coat sprays, and conditioning rinses
  • Pet wet wipes and ear-cleaning preparations requiring microbial protection in water-based formats
  • Moist pet food, pet treats, and commercial animal feed formulations — widely used as a permitted feed preservative
  • Pet dietary supplements and liquid health product formulations for cats, dogs, and other companion animals
  • Natural pet care product lines using potassium sorbate in combination with sodium benzoate or aloe vera juice

Cleaning & Sanitation:

  • Household liquid cleaning products, multi-surface sprays, and bathroom cleaners as a preservative additive
  • Liquid hand soaps, dish soaps, and laundry detergents requiring microbial stability of the liquid product
  • Wet wipes for household cleaning and surface sanitation where water-based format requires preservation
  • Institutional and commercial cleaning products in high-water-content liquid formulations

Industrial Supplies:

  • Fungistatic additive in coatings, paints, adhesives, and sealants to prevent microbial deterioration during storage
  • Preservative in lubricants, cutting fluids, and metalworking fluids where microbial contamination reduces performance
  • Textile processing applications where mold and mildew prevention during storage and transport is required
  • Photographic chemical preparations and processing solutions as a stabilizing preservative
  • Rubber and polymer manufacturing as a biocide additive to prevent microbial spoilage in raw material storage

Technical Specifications

PropertySpecification
INCI NamePotassium Sorbate
CAS No.24634-61-5
Common NamePotassium Sorbate, E202, Sorbistat-K
AppearanceWhite crystalline powder or granules; odorless and tasteless
Assay (Purity)99.0% minimum (food and pharmaceutical grade)
pH (1% Solution)7.0 – 8.0
Effective pH RangeMost active up to pH 6.5 (broader than sodium benzoate)
SolubilityFreely soluble in water (58.2% at 20°C); slightly soluble in alcohol
Ionic TypeAnionic (potassium salt)
Melting Point132°C – 137°C
OriginSorbic acid (naturally occurring in rowan berries) neutralized with potassium hydroxide
Recommended Use Level0.1% – 0.3% in cosmetics; up to 0.1% in food (regulatory limit varies by market)
Regulatory StatusGRAS (FDA); E202 (EU); approved in USP, EP, and major international pharmacopeias

Why Choose EZ Elements as Your Supplier

EZ Elements supplies food-grade, cosmetic-grade, and pharmaceutical-grade Potassium Sorbate with verified purity, consistent quality, and complete regulatory documentation to support manufacturing across food and beverage, personal care, pharmaceutical, pet care, cleaning, and industrial applications in Canada and North America.

We supply food manufacturers, personal care brands, pharmaceutical formulators, pet care producers, cleaning product developers, and industrial clients across all applicable EZ Elements industry categories, providing:

  • Full documentation: Technical Data Sheet (TDS), Certificate of Analysis (COA), and Safety Data Sheet (SDS)
  • Multiple grade options — food-grade, cosmetic-grade, and pharmaceutical-grade — to match regulatory requirements
  • Bulk supply with competitive, transparent pricing per kilogram
  • Technical support on effective use levels, pH optimization, synergistic preservative combinations, and regulatory compliance guidance across all industries

Safety & Storage Guidelines

  • Store in a cool, dry, well-ventilated area away from direct sunlight, heat, and moisture — hygroscopic; absorbs moisture if left unsealed.
  • Keep containers tightly sealed after each use to maintain purity and prevent caking or clumping.
  • Use within regulatory-specified concentration limits for each application type and target market.
  • Avoid combining in high concentrations with strong oxidizing agents or at extreme pH values outside the effective range.
  • Wear protective gloves and avoid inhalation of fine powder dust during handling.
  • For food applications, verify applicable maximum permitted levels in your target market — regulatory limits differ between jurisdictions.

Complete handling, first aid, and disposal instructions are provided in the Safety Data Sheet (SDS) available from EZ Elements upon request.

Frequently Asked Questions

Q1: Which industries use Potassium Sorbate?

Potassium Sorbate is used across six industries: Food & Beverages (preservative in soft drinks, dairy, baked goods, wine, dried fruits, and condiments), Personal Care (preservative in shampoos, moisturizers, wipes, and eye care products), Pharmaceutical (preservative in oral liquids, topical preparations, injectables, and supplements), Pet Care (preservative in grooming products, moist pet food, and animal feed), Cleaning & Sanitation (preservative in liquid cleaning products and wet wipes), and Industrial (fungistatic additive in coatings, adhesives, lubricants, textiles, and rubber). Its broad acceptance across regulatory frameworks makes it one of the most versatile preservatives available globally.

Q2: What is the difference between Potassium Sorbate and Sodium Benzoate?

Both are widely used mild preservatives but differ in key ways. Potassium Sorbate (E202) is effective against molds, yeasts, and bacteria across a broader pH range — up to pH 6.5 — making it suitable for a wider variety of formulations. Sodium Benzoate (E211) is most effective at pH below 4.5 and is particularly well-suited for highly acidic food and beverage products. Potassium Sorbate has a slightly milder overall antimicrobial profile, while sodium benzoate provides stronger antibacterial action in acidic conditions. Many formulators use both in combination for synergistic, broader-spectrum preservation coverage across food, personal care, and pet care formulations.

Q3: Is Potassium Sorbate safe for use in food products?

Yes. Potassium Sorbate is GRAS-classified by the FDA and approved as food additive E202 internationally under Codex Alimentarius standards. It is one of the most extensively reviewed and approved food preservatives globally, with a strong safety record across decades of use. It is permitted in a wide range of food categories at concentrations typically up to 0.1% to 0.3% in the finished product, depending on the food type and applicable regulation. Formulators should verify the maximum permitted levels for their specific food category and target market.

Q4: What concentration of Potassium Sorbate is recommended in personal care products?

In personal care formulations, Potassium Sorbate is typically used at 0.1% to 0.3% of the total formula. It is most effective when the formulation pH is maintained below 6.5, where it provides reliable antifungal and antimould protection. For optimal broad-spectrum preservation, it is commonly combined with sodium benzoate, phenoxyethanol, or other approved preservatives. Always verify the applicable regulatory limits for your target market and product category.

Q5: Can Potassium Sorbate be used in pet food and animal feed?

Yes. Potassium Sorbate is a recognized and widely used preservative in commercial pet food, moist animal feed, and companion animal dietary supplements. It is used to inhibit mold and yeast growth in products with higher moisture content, extending shelf life and maintaining product safety. It is also used in liquid pet grooming products as a cosmetic-grade preservative. Formulators should use the appropriate grade (food-grade for pet food; cosmetic-grade for topical pet care products) and verify applicable feed additive regulations for their jurisdiction.

Q6: Where can I buy Potassium Sorbate in bulk in Canada?

Potassium Sorbate is available for bulk purchase from EZ Elements in food-grade, cosmetic-grade, and pharmaceutical-grade formats, with supply options for manufacturers across food and beverage, personal care, pharmaceutical, pet care, cleaning, and industrial sectors in Canada and North America. Contact our team for current pricing, documentation, or a product sample.

Related Ingredients

The following EZ Elements ingredients are commonly used alongside Potassium Sorbate across its application industries:

  • Sodium Benzoate — Synergistic broad-spectrum preservative with strong antibacterial activity in acidic conditions; widely combined with Potassium Sorbate in food, personal care, pharmaceutical, and pet care formulations for enhanced protection.
  • Aloe Vera Juice — Natural botanical ingredient frequently preserved with Potassium Sorbate; the two are commonly specified together in personal care and pet care water-based formulations.
  • Coco Glucoside Low Viscosity — Mild surfactant base for personal care and pet care products where Potassium Sorbate provides the water-phase preservation system.

Order or Enquire

Looking to buy Potassium Sorbate in bulk? Contact EZ Elements for current pricing, full product documentation, and supply options across food and beverage, personal care, pharmaceutical, pet care, cleaning, and industrial applications. We supply manufacturers and formulators across Canada and North America. Reach out today to request a sample, Technical Data Sheet, or a bulk pricing quote for your next formulation project.

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