Natamycin (Pimaricin, CAS 7681-93-8, E235) is a natural polyene antifungal produced by Streptomyces fermentation. It effectively inhibits yeast and mold growth on cheese, sausages, bakery and beverage surfaces without affecting bacteria — a clean-label alternative to synthetic preservatives.
Physical & Chemical Properties
- CAS number: 7681-93-8
- Appearance: white to cream crystalline powder
- Solubility: sparingly soluble in water; slightly soluble in alcohols
- Molecular formula: C33H47NO13
- Molecular weight: 665.73
- Activity: ≥90% (HPLC)
- Regulatory: food preservative E235 (EU/China), GRAS (US)
Key Benefits for Formulation
- Broad antifungal: effective against yeast & molds, not bacteria
- Clean label: natural fermentation product, E235 approved
- Surface action: ideal for cheese rind & sausage casing treatment
- Low use level: ppm-level efficacy
- Stable: retains activity in food matrices
Main Applications
- Cheese: surface/rind mold control
- Meat & sausages: casing surface protection
- Bakery: mold prevention in cakes & pastries
- Beverages: fruit juice & wine yeast control
- Cosmetics: antifungal preservation systems
Why Choose Our Bulk Natamycin?
- GMP manufacturing: full quality control from raw material to finished product
- Complete documentation: COA, SDS and heavy metal test reports available on request
- Flexible supply: multiple purity grades in stock, from R&D samples to mass production
- Export experience: reliable shipping to EU, North America, Australia and Middle East
Recommended Usage
Typical surface application 10–40 ppm (0.1–0.4 g per kg surface); in-product use per local regulations. Verify permitted levels for your market and category.
FAQ About Wholesale Natamycin
What is the CAS number of Natamycin?
CAS 7681-93-8.
What is natamycin?
A natural polyene antifungal produced by Streptomyces fermentation (E235).
How does it work?
Binds fungal sterols, disrupting yeast and mold membranes — bacteria unaffected.
Is it a clean-label preservative?
Yes — natural fermentation origin, widely approved.
What is the typical use level?
10–40 ppm surface application; check local regulations.
Is it suitable for cheese?
Yes — the most common application is cheese rind protection.
Do you provide COA and SDS?
Yes — full COA, SDS and heavy metal reports available on request.
What is the shelf life?
Typically 24 months stored sealed in a cool, dry place.
Can I get samples?
Yes — trial samples available; terms negotiable with bulk orders.
What are your MOQ terms?
Flexible MOQ, discussed on inquiry.
Start Your Natamycin Bulk Order
Contact our sales team today for spec sheets, samples and bulk pricing — our technical team is ready to support your formulation development.
