| ≥1 piece |
Top Class nipagin series preservative propylparaben powder food grade
| Item | Standard |
| Appearance | colorless crystals or white crystalline powder |
| Assay (%) | 99.0~100.5 |
| Loss on drying (%) | ≤ 0.50 |
| Residue on ignition (%) | ≤ 0.05 |
| Heavy metal (Pb) (%) | ≤ 0.001 |
| Arsenic (%) | ≤ 0.001 |
| p-Hydroxybenzoic acid and salicylic acid (%) | qualified |
| Appearance of solution | / |
| Sulfate (SO4) (%) | ≤ 0.024 |
| Organic volatile impurities | / |
| Melting point ( ℃) | 95 ~ 98 |
| Related substances | / |
| Acidity | qualified |
| Storage | in the shade |
| Packing | 25 kg/carton,1kg/bag |
Applications of propylparaben:
Propionyl paraben, also known as nypodone, propyl 4-hydroxybenzoate, propyl p-hydroxybenzoate. It is a white crystalline or powdery, slightly special odor. It is a food additive and organic synthetic raw material. It can be used as a bactericidal and antiseptic additive for medicine, food, spices, film and high-grade products.
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