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Propyl paraben is mainly used as a bactericidal preservative for food, cosmetics and medicine.
Propyl paraben is a class of high-efficiency food preservatives, with good ability to inhibit bacterial reproduction and prevent fermentation, and its antibacterial properties are stronger than benzoic acid and sorbic acid. Propyl paraben has the following uses: 1. Propyl paraben Used as preservatives and antioxidants, and also used in the pharmaceutical industry 2. Used as the antimicrobial preservative in pharmaceuticals and cosmetics 3. According to ethyl p-hydroxybenzoate 4. Used as antiseptic and antimicrobial.5. Used as the preservatives of food, cosmetics and medicines.
Items | Specifications | Results |
Appearance | White crystalline powder | Complies |
Identification | A.The IR absorption spectrum of a mineral oil dispersion of the Sample exhibits maxima only at the same wavelengths as those of a mineral oil dispersion of the Standard. | Consistent with the regulations |
Moisture content(%) | B.A platinum wire dipped in the Sample solution imparts an intense,persistent yellow color to a nonluminous flame. | Consistent with the regulations |
pH | 9.5-10.5 | 9.8 |
Completeness of solution | Meets the requirements | Consistent with the regulations |
Chloride | ||
Sulfate | NMT 0.12% | Consistent with the regulations |
Related Compounds | p-Hydroxybenzoic acid: NMT 4.0% | 0.17% |
Unspecified impurities: NMT 0.5% | 0.06% | |
Total impurities: NMT 1.0% | 0.062% | |
Water Determination | NMT 5.0% | 0.88% |
Assay | 94.0%-102.0% on the anhydrous basis | 98.8% |
Conclusion | The product conforms to the above specifications. | |
| Product parameters | |
| Cas number: | 94-13-3 |
| Appearance: | White crystalline powder |
| Purity: | 98~102% |
| Package details: | 25kg/drum |
| Brand: | Fortunachem |
Propylparaben (propyl para-hydroxybenzoate) is a synthetic ester of para-hydroxybenzoic acid. It is a member of the paraben family, widely used as a preservative due to its effective antifungal and antibacterial properties.
Its main function is to extend the shelf life of products by preventing microbial growth in:
Cosmetics & Personal Care: Shampoos, conditioners, lotions, creams, deodorants, and makeup.
Pharmaceuticals: Topical creams, ointments, and some liquid medications.
Food: As a food additive (E216 and E217), though less common now, in items like baked goods, beverages, and processed meats.
Propylparaben is absorbed through the skin and has weak estrogenic activity, leading to health debates. While major regulatory bodies (FDA, EFSA, SCCS) consider it safe at low concentrations (typically ≤ 0.14% in cosmetics), consumer demand has driven many brands to create "paraben-free" products. It is generally recognized as safe (GRAS) in specified low levels.
Used as a preservative.
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