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🧪 Potassium Sorbate

Potassium Sorbate | INCI: Potassium Sorbate | CAS: 590-00-1

INCI Information

INCI Name
Potassium Sorbate
Common Name
Potassium Sorbate
CAS Number
590-00-1
Category
Preservative
Molecular Formula
C₆H₇KO₂
Molecular Weight
150.22 g/mol
Appearance
White, crystalline powder
Solubility
Soluble in water (58 g/100ml at 20°C)
Typical Concentration
0.1% – 0.5%
pH Range
Effective at pH < 6.5
Functions:
PreservativeAntimicrobialMold inhibitor
Available Purity Grades:
  • 99.0%
  • 99.5% (Food/Cosmetic)
  • 99.9% (Pharma)

💰 Indicative Price Range (Bulk)

Typical B2B pricing across verified suppliers
$3 – $10 $/kg
Prices vary by purity, MOQ, and order volume. Always request formal quotes.

📖 About Potassium Sorbate

Potassium Sorbate is a water-phase preservative particularly effective against molds and yeasts. It's the ideal partner to Sodium Benzoate, creating broad-spectrum protection in acidic formulations.

🛒 Purchasing Guide & Tips

❓ Frequently Asked Questions

❓ Is Potassium Sorbate natural?

Yes, it's the potassium salt of sorbic acid, which occurs naturally in rowan berries.

❓ Can I use it in alkaline formulations?

No, it loses effectiveness above pH 6.5. Choose a different preservative for alkaline products.

❓ Does it affect product scent?

No, it's odorless at cosmetic concentrations.

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