Product Title: Premium Cooling Agent WS-23 – High-Purity, Long-Lasting Coolant for E-Liquid, Food & Cosmetics
Subtitle: Inodorous, High-Performance Cooling Agent | No Bitter Taste | Heat-Resistant | Perfect for Vape, Beverages, Oral Care & Personal Care
Overview
Our Cooling Agent WS-23 is a synthetic, high-purity cooling ingredient designed to deliver a clean, intense, and long-lasting cooling sensation without the strong minty odor, bitterness, or irritation associated with traditional menthol. It is the preferred choice for e-liquids, oral care, beverages, confectionery, and cosmetics where a smooth, fresh, and non-minty cool effect is required.
Key Features
- High Purity ≥99.5%: Food-grade & cosmetic-grade quality; compliant with FEMA, JECFA, and FDA regulations.
- Inodorous & Neutral Taste: No mint aroma, no bitterness, no harsh aftertaste.
- Long-Lasting Cooling: Sensation lasts 15–30 minutes; 1.5× stronger than menthol.
- Heat Stable: Withstands 200°C+; ideal for high-temperature processing (baking, pasteurization).
- Low Dosage: Effective at 20–80 mg/kg; cost-efficient.
- Skin & Mucosa Friendly: Non-irritating; suitable for sensitive skin and oral use.
- Excellent Solubility: Soluble in PG, VG, ethanol, and most organic solvents.
Specifications (WS-23)
- Chemical Name: 2-Isopropyl-N,2,3-trimethylbutanamide
- CAS No.: 51115-70-9
- Molecular Formula: C11H23NO
- Molecular Weight: 185.31
- Appearance: White crystalline powder
- Purity: ≥99.5% (GC)
- Melting Point: 62–64°C
- Odor: Almost odorless
- Solubility: Soluble in PG/VG/ethanol; slightly soluble in water
Why Choose WS-23 Over Menthol?
| Feature | WS-23 Cooling Agent | Natural Menthol |
|---|---|---|
| Odor | Neutral, no mint smell | Strong mint aroma |
| Taste | Clean, no bitterness | Bitter/harsh at high doses |
| Cool Duration | 15–30 min | 5–10 min |
| Heat Resistance | Excellent (200°C+) | Volatile, low boiling point |
| Irritation | Non-irritating | Can irritate skin/mucosa |
| Vape Friendly | Perfect for e-liquids | Harsh throat hit |
Applications
1. E-Liquid & Vaping Products
- Disposable vapes, pod systems, refillable tanks
- Provides smooth, icy coolness without overpowering flavors (fruit, dessert, tobacco)
- Eliminates menthol’s harsh throat irritation
2. Food & Beverages
- Chewing gum, mints, candies, chocolate
- Soft drinks, energy drinks, iced tea, beer
- Dairy products, jellies, and confectionery
3. Oral Care
- Toothpaste, mouthwash, breath sprays
- Whitening strips, dental gels
4. Cosmetics & Personal Care
- Refreshing lotions, toners, after-sun gels
- Shaving creams, deodorants, wet wipes
- Hair care products (shampoos, scalp treatments)
5. Pharmaceuticals
- Topical analgesics, anti-itch creams
- Throat lozenges, cooling patches
Recommended Usage Levels
- E-Liquid: 0.05–0.3% (500–3,000 ppm)
- Beverages: 0.002–0.008% (20–80 ppm)
- Candy/Gum: 0.05–0.15% (500–1,500 ppm)
- Toothpaste/Mouthwash: 0.02–0.1% (200–1,000 ppm)
- Cosmetics: 0.01–0.05% (100–500 ppm)
How to Use
- For E-Liquid: Dissolve WS-23 in PG first (10% stock solution), then mix with VG and flavors.
- For Water-Based Products: Pre-dissolve in ethanol or PG, then add to water phase.
- For Oil-Based Products: Directly soluble in most oils and emulsions.
- Storage: Keep sealed in a cool, dry place; avoid direct sunlight.
Packaging & Shipping
- Packaging: 1kg/foil bag, 5kg/box, 25kg/drum
- Custom packaging available
- Shelf Life: 24 months under proper storage
FAQ
Q: Is WS-23 safe for vapes?
A: Yes. It is non-toxic, non-carcinogenic, and widely used in food-grade applications. It does not produce harmful byproducts when vaped.
Q: Can I mix WS-23 with menthol?
A: Yes. Blending WS-23 with a small amount of menthol creates a balanced, icy coolness with subtle mint notes.
Q: Does WS-23 affect flavor?
A: No. Its neutral odor and taste preserve the original flavor profile of your e-liquid or food product.







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