| 外观 | White crystalline powder |
| Purity (on dry base) % | 99.0~104.0 |
| Melting point of propyl paraben sodium (°C) | 96~99 |
| pH(0.1% water liquor) | 9.5~10.5 |
| Sulfate ppm | =<300 |
| Chloride ppm | =<350 |
| Loss on drying (%) | =<5.0 |
| Related substances | Qualified |
| Heavy metals pb(ppm) | =<10.0 |
| Appearance of solution | Qualified |
丙基苯甲酸钠
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