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Specifications
Sodium methyl paraben
Formula C8H7NaO3
Appearance white crystalline Powder,
Purity 99%min
Packing: 20kg/drum
Sodium methyl paraben 99% Function Sodium methyl paraben 99% is a water-soluble antiseptics, mainly features as a safe, high efficiency, broad-spectrum antibiotic and widely used in Pharmacy industry(Chinese herbal medicine/patent drug; medical instruments sterilization); Food industry(dairy products, pickles, beverage, fruit juice/jelly, confectionery); textile industry (dry goods, cotton yarn, chemical fibers), as well as antiseptics in cosmetics, feedstuffs, daily-chemicals.
Formula C8H7NaO3
Appearance white crystalline Powder,
Purity 99%min
Packing: 20kg/drum
Sodium methyl paraben 99% Function Sodium methyl paraben 99% is a water-soluble antiseptics, mainly features as a safe, high efficiency, broad-spectrum antibiotic and widely used in Pharmacy industry(Chinese herbal medicine/patent drug; medical instruments sterilization); Food industry(dairy products, pickles, beverage, fruit juice/jelly, confectionery); textile industry (dry goods, cotton yarn, chemical fibers), as well as antiseptics in cosmetics, feedstuffs, daily-chemicals.
| ITEM | STANDARD | RESULTS |
| Appearance | White crystalline powder | complies |
| Purity (on dry base)% | 98.0-104.0 | 99.4 |
| PH value(0.1%water liquor) | 9.5-10.5 | 9.8 |
| Sulfate(ppm) | ≤300 | <300 |
| Chlorides(ppm) | ≤350 | <350 |
| Loss on drying % | ≤0.50 | 0.09 |
| Organic volatile impurities | Meets BP2000/usp24 standard | Qualified |
| Completeness of solution | Meets BP 2000/usp24 standard | Qualified |
| Heavy metals (Pb)ppm | ≤10.0 | <10.0 |
| Apprearance of solution | Clear and transparent | Qualified |
| ITEM | STANDARD | RESULTS |
| Appearance | White crystalline powder | complies |
| Purity (on dry base)% | 99-100.5 | 99.89 |
| Melting point °C | 69-72 | 70-71 |
| Sulphated ash % | ≤0.05 | <0.03 |
| Acidity (mlNaOH0.1M) | ≤0.1 | 0.04 |
| Loss on drying % | ≤0.5 | 0.02 |
| Residue % | ≤0.10 | 0.05 |
| Arsenic (ppm) | ≤1.0 | <1.0 |
| Heavy metals (Pb)ppm | ≤10 | <10 |
| Mercury (mg/kg) | <1 | 0.056 |
| lead (mg/kg) | <5 | 0.12 |
| Clarity and color of solution | Clear and transparent | Complies |