Cooling Agent WS-23 – 2-Isopropyl-N,2,3-trimethylbutyramide
CAS: 51115-67-4 – EINECS: 256-974-4
The burst specialist – fast onset, fast decay. The most popular grade for e-liquids.
Product Overview
WS-23 is the burst specialist of the WS series: cooling that hits fast and fades clean, with high impact and no lingering aftertaste. Chemically an amide unrelated to menthol, it is almost odorless and tasteless, letting your flavor lead while the cooling does its work. Fast-onset, fast-decay dynamics have made WS-23 the most popular cooling agent in e-liquids, and a favorite in beverages and confectionery where an instant cool is the point.
Specifications
| Specification | Detail |
|---|---|
| CAS No. | 51115-67-4 |
| EINECS No. | 256-974-4 |
| Chemical Name | N,2,3-Trimethyl-2-isopropylbutyramide |
| Molecular Formula | C10H21NO |
| Molecular Weight | 171.28 |
| Appearance | White crystalline powder |
| Odor | Mild cooling, slight menthol odor (almost odorless) |
| Purity | ≥99% (HPLC) |
| Melting Point | 58-61°C |
| Flash Point | >100°C |
| Solubility | PG / VG soluble; insoluble in water |
| Shelf Life | 2 years |
| Package | 1 kg aluminium-foil bag or 25 kg fiber drum; custom packing on request |
Applications
- E-liquids and vape
- Beverages
- Confectionery and gummies
- Chewing gum
- Dairy
- Toothpaste and oral care
- Toiletries and cosmetics
- Tobacco and filter tips
- OTC preparations
Usage & Handling
Pre-dissolve in ethanol or propylene glycol, then add to the water phase; or dissolve into the flavor system first. Blends cleanly with WS-3 or WS-5 for burst-plus-longevity profiles.