Cooling Agents WS-23
WS-23 (2-Isopropyl-N,2,3-trimethylbutanamide) is known for its clean and long-lasting cooling effect (cooling strength 0.75) . Unlike menthol, WS-23 provides a cooling sensation without the accompanying minty flavor or odor, making it versatile for various applications.
Substance Identification
| Synonyms | 2-Isopropyl-N,2,3-trimethylbutanamide |
| CAS | 51115-67-4 |
| EINECS | 256-974-4 |
| FEMA | 3804 |
| HS.CODE | 292429 |
| Molecular Formula | C10H21NO |
| Moleclar Weight | 171.28 |
Application & Uses
- WS-23 is widely used in various products, including oral care items (toothpaste, mouthwash), cosmetics (creams, lotions), food and beverages, pharmaceuticals, and personal care products (shampoos, conditioners).
Features & Benefits
- WS-23 is stable, making it suitable for formulations that require a consistent and prolonged cooling effect.
- It has a mild, refreshing mint flavor that is strong and impactful, and the cooling feeling disappears quickly (lasting about 7 minutes).
- The part that produces a cooling sensation is slightly thin and requires a large amount of material.
- It is generally recognized as safe (GRAS) for use in food, cosmetic, and personal care products when used within recommended concentrations.
| Recommended usage level | WS-23 | |
| min | max | |
| Fog-fluid | 450 ppm | 2250 ppm |
| Beverage | 3 ppm | 24 ppm |
| Toothpaste | 300 ppm | 3000 ppm |
| Mouthwash | 15 ppm | 600 ppm |
| Hard candy | 30 ppm | 150 ppm |
| Chewing gum | 1500 ppm | 9000 ppm |
| Creams & Lotions | 1500 ppm | 15000 ppm |
Sales Specification
| ITEM | VALUE | TEST METHOD & UNIT |
|---|---|---|
| Cooling Strength | 0.75 | @Menthol was set as 1 as a reference |
| Cooling Longevity | 8 | minutes |
| ITEM | VALUE | TEST METHOD & UNIT |
|---|---|---|
| Cooling Strength | 1.5 | @Menthol was set as 1 as a reference |
| Cooling Longevity | 6 | minutes |
| ITEM | VALUE | TEST METHOD & UNIT |
|---|---|---|
| Cooling Strength | 4 | @Menthol was set as 1 as a reference |
| Cooling Longevity | 10 | minutes |
| ITEM | VALUE | TEST METHOD & UNIT |
|---|---|---|
| Cooling Strength | 4.5 | @Menthol was set as 1 as a reference |
| Cooling Longevity | 12 | minutes |
| ITEM | VALUE | TEST METHOD & UNIT |
|---|---|---|
| Cooling Strength | 3.5 | @Menthol was set as 1 as a reference |
| Cooling Longevity | 36 | minutes |
GHS Hazard Statements
Storage
- Flammable materials should be stored in a separate safety storage cabinet or room
- Ground all equipment containing material
- Keep away from heat
- Keep away from sources of ignition
- Keep container tightly closed
- Keep in a cool, well-ventilated place
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Remark
The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract.
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