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INCI Name: Chlorphenesin
Chemical Name: Chlorphenesin
CAS Number: 104-29-0
Molecular Formula: C₇H₇ClO₂
Molecular Weight: 142.58
Category: Cosmetic preservative / Antimicrobial agent
Appearance: White to off-white crystalline powder
Chlorphenesin is a broad-spectrum cosmetic preservative widely used in personal care formulations to inhibit the growth of bacteria, yeast, and mold. It is commonly used as an auxiliary preservative alongside phenoxyethanol, ethylhexylglycerin, or caprylyl glycol to enhance overall preservation efficiency.
Key features:
Effective antimicrobial activity
Mild, low irritation
Compatible with most cosmetic formulations
| Item | Specification |
|---|---|
| Appearance | White or off-white crystalline powder |
| Purity | ≥ 99% |
| Odor | Mild |
| Melting Point | 158–160 °C |
| Solubility | Soluble in ethanol, propylene glycol, glycerin; slightly soluble in water |
| pH Compatibility | 3–8 |
| Stability | Heat stable; store protected from light and moisture |
Facial creams, lotions, and serums
Cleansers, shampoos, and conditioners
Gels, masks, and emulsions
Baby and sensitive skin products
Cosmetic preservative system optimization
1. Is Chlorphenesin safe?
It is a mild preservative with low irritation, suitable for personal care and skincare formulations.
2. Can it replace traditional preservatives?
It can partially replace traditional preservatives, but it is usually more effective when used in combination with other preservatives.
3. Is it suitable for baby products?
When used within the recommended dosage, it is safe for baby care and sensitive skin products.
4. Are COA/MSDS available?
Yes, COA, MSDS, TDS, and other technical documents are available upon request.
