Propylparaben preservative Cas 94-13-3 Produced by China manufacturer Fengjia Company, it is of high quality, low price, and can be used for anti-corrosion in food, cosmetics, and other fields. Welcome to inquire about procurement.
Propylparaben is mainly used as a bactericidal preservative in food, cosmetics and medicine, and also as a feed preservative.
Melting point | 95-98 °C(lit.) |
Boiling point | 133°C |
density | 1.0630 |
vapor pressure | 0.67 hPa (122 °C) |
FEMA | 2951 | PROPYL P-HYDROXYBENZOATE |
refractive index | 1.5050 |
Fp | 180°(356°F) |
storage temp. | Sealed in dry,Room Temperature |
solubility | ethanol: soluble0.1M, clear, colorless |
form | Crystalline Powder |
pka | pKa 8.4 (Uncertain) |
ITEM | STANDARD |
Appearance | White crystal powder |
Assesment | HPLC |
Assay | 98%-102% |
Organic impurities | p-Hydroxybenzoic acid NMT 0.5% |
Residue, % | ≤0.1 |
Melting Point, ºC | 96-99 |
Acid | Passed |
Appearance of solution | Passed |
Residual Solvents | 3000 ppm Methano l maximum |
Heavy Metal (Pb) | ≤10ppm |
Loss on drying, % | ≤0.50 |