CAS No.: | 5026-62-0 |
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Formula: | C8h7nao3 |
EINECS: | 225-714-1 |
Composition: | Methyl Paraben Sodium |
Type: | Beverage Preservatives |
Effect: | Bacteriostatic Agent |
Customization: |
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Brief:
Methyl Paraben Sodium is a water-soluble preservative, which is widely used in the anti-corrosion of medicine, food, textile industry and other fields, such as cosmetics, feed and daily industrial products, that is, it is used in dairy products, pickled products, beverages, fruit juice, jelly and cakes (the maximum dosage is the same as Propyl Paraben).
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 |
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