Phenoxyethanol
CAS No.
Synonyms
Molecular formula
Molecular weight
Grade
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Chemical Product Description & Applications
Phenoxyethanol is an aromatic glycol ether used for antimicrobial preservation and solvent functions in cosmetic formulations. It provides activity particularly relevant to bacterial control and can help dissolve selected fragrance or formulation ingredients. Its moderate affinity for both water and organic phases allows distribution through many emulsions and aqueous products.
The single-ingredient liquid is incorporated into a complete preservation system, often with complementary ingredients that broaden the overall microbial-control profile. It is distinct from preservative blends containing ethylhexylglycerin, organic acids or additional actives. The neat raw material gives independent control over the phenoxyethanol contribution, while the rest of the formula determines phase distribution and preservation performance.
Typical Applications
- Cream and lotion preservation systems: Used as a preservative component in water-containing cosmetic emulsions. It helps protect the product from bacterial contamination during storage and use as part of the formulated protection system.
- Aqueous personal-care products: Used in compatible cleansers, toners and water-based skin-care products requiring antimicrobial protection. Its liquid form supports incorporation into the manufacturing process without a separate solid-dissolution step.
- Cosmetic solvent packages: Used as a co-solvent for selected ingredients in formulations that also benefit from its preservative contribution. This combines an ingredient-compatibility role with product protection in the same liquid input.
Specifications
| Parameter | Specification | Test Method |
|---|---|---|
| Appearance | Clear colorless liquid | Visual inspection |
| Identification | Consistent with authenticated reference | FTIR fingerprint comparison |
| Assay | ≥99.0% w/w | Calibrated GC-FID |
| Phenol | ≤10 mg/kg | Calibrated HPLC-UV |
| Water | ≤0.10% w/w | Karl Fischer titration |
| Color | ≤10 APHA | Platinum-cobalt colorimetry |
Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.
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